The carbon steel pipe technology process recipe data

The carbon steel pipe technology process recipe data, inhibition of carbon steel pipe , carbon steel pipe , high-carbon steel pipe  billet formulation process

ID: G175205

  [CS21826-0281-0001] a non-quenched and ultra-high carbon steel pipe  and its production process [Abstract] The present invention provides a non-quenched and ultra-high carbon steel pipe  and its production process, the present invention non-quenched and ultra-high carbon steel pipe  its alloy composition of the weight percentage of C: 1.0 ~~ 1.8 Si: from 0.5 ~~ to 3.5, of Cr: of 0.5 ~~ 2.0, of Mn: 0.2 ~~ 0.7, I Fe; with injection molding process to obtain billets, after the spray forming billets conduct such as isothermal forging isothermal forging temperature: 790 ℃ ~~ 910 ° C; isothermal forging rate: 1 × 10-4 / s 1 × 10-2 / s.; forging deformation: 50% ~ 80%. Non-quenched and tempered steel pipe  in strength than high-grade non-quenched and tempered steel pipe  market, and still has very good ductility and toughness. The process of this invention is not only simple, but also greatly reduce the energy consumption and preparation costs.

[CS21826-0245-0002 carbon steel pipe  bellows device [Abstract] This utility model relates to a used in the furnace and the pressure fluid elastic pipeline equipment carbon steel pipe  bellows device improvements. The device is flexible and steel pipe  mandrel to expand and contract based on the rubber ring (3) (2) control, round different tube (1) according to the mold deformation, the molding method, uniform thickness, bending pressure evenly on the corrugated tube without any damage, high efficiency, simple technology, low cost, safe, reliable, wave number (for 20-60). The best device for the production of bellows.

[CS21826-0070-0003] a low-carbon multi-element alloy steel pipe  crankshaft fatigue strength controllable heat a steel pipe  crankshaft 18Cr2Ni4WA fatigue strength fatigue strength after New Heat Treatment Process the .18 Cr2Ni4WA steel pipe  heat treatment increased the problem of low domestic and international long-term failed to solve the technical problems, after heat treatment б_1 reach 50kg/mm2, resulting in the life of the crankshaft of the present invention is based on the content of the element, the control crank the heat treatment time to stay in the air and then into the oil cooling, and change internal organizational structure of a new heat treatment process. Its advantages are: refine the organizational grain; improve the fatigue strength; to improve the overall mechanical properties; to extend the life of the workpiece; for a wide range of the present invention can also be used for computer control.

[CS21826-0207-0004] a low-carbon steel pipe  surface alloying process [Abstract] The present invention is a low-carbon steel pipe  surface alloying process, which is preset layer of ordinary low carbon steel pipe  surface and flash plated or re-layer corrosion-resistant metallic element nickel, cobalt, chromium and other alloying process in the alloying furnace. The present invention to eliminate the metal surface treatment layer and the base metal interface effects, significantly improve the metal corrosion resistance, wear resistance and decorative properties of the material, and large metal materials in large quantities, large-scale continuous industrial production, can reduce the cost of processing. In addition, the present invention can greatly reduce environmental pollution and are environmentally friendly.

[CS21826-0468-0005] a low-carbon micro-alloy cast steel pipe  and its preparation method [Abstract] The present invention discloses a low-carbon micro-alloy cast steel pipe  containing 0.18 ~ 0.22wt% milk muscle? .30 ~ 0.35wt% silicon, 0.53 ~ 0.55wt% manganese, 0.08 to 0.10wt% vanadium and 0.04 ~ 0.06wt% Nb, 0 0.023wt% phosphorus, 0 to ~ 0.019wt% sulfur, 0.03 to 0.05wt% rare earth iron metal and margin;: contains 0.08 ~ 0.12wt% carbon, 0.42 ~ 0.45wt% of silicon, 0.85 ~ 0.92wt% Mn, 0.08 to 0.10wt% vanadium, 0.04 ~ 0.06wt% Nb ~ 0.023wt% phosphorus, 0 0.019wt% sulfur, 0.03 ~ 0.05wt% rare earth metals and margin iron. Its system of law: press the conventional method of cast steel pipe ; followed by high temperature homogenization treatment, normalizing and aging treatment to get the low-carbon micro-alloy steel pipe  casting. The present invention has excellent room temperature strength and impact toughness of zero degrees Celsius, good weldability and low cost characteristics.

[CS21826-0435-0006] with high strength and excellent toughness and suitable for cold forming of austenitic iron - carbon - manganese steel pipe  plate manufacturing methods and thus manufacturing the plate [Abstract] This invention relates to a hot rolled austenitic - carbon - manganese steel pipe , its strength is greater than 900MPa (strength (MPa) × elongation at break (%)) the product of greater than 45,000, including its chemical composition, content: 0.5% ≤ C ≤ 0.7% by weight; 17% ≤ Mn ≤ 24%; Si ≤ 3%; Al ≤ 0.050%; S ≤ 0.030%; P ≤ 0.080%; N ≤ 0.1%; and optional one or more such as the following elements: Cr ≤ 1 of%; Mo ≤ 0.40%; Ni ≤ 1%; Cu ≤ 5%; Ti ≤ 0.50%; Nb ≤ 0.50%; V ≤ 0.50%, the rest of the composition of the inevitable impurities of iron and smelting, the steel pipe  recrystallization ratio greater than 75%, the precipitation of carbides of the steel pipe  surface is less than 1.5%, the average grain size of the steel pipe  is less than 18 microns.

[CS21826-0181-0007] Carbon steel pipe  pipe stainless steel pipe  corrosion inside and outside the tube and its manufacturing method [Abstract] present invention, a carbon steel pipe  pipe inside and outside stainless steel pipe  anti-corrosion pipe and its manufacturing method is industrial anti-corrosion pipe composite pipe technology. The present invention in order to solve the existing technology such pipeline cost is high, stainless steel pipe  anti-corrosion pipe and the middle of the carbon steel pipe  pipe is a combination of a less than ideal. Composite tube structure of the present invention is 0.2-0.4mm stainless steel pipe  corrosion inside and outside tube 3, 4, and stainless steel pipe  corrosion tube 3,4 and carbon steel pipe  pipe 1, the use of adhesives. The structure and manufacturing method of the present invention is basically applicable to a variety of corrosive conditions in the middle tube of carbon steel pipe , low alloy steel pipe  pipe, steel pipe  pipe, cast iron pipe and the hard plastic tube.

[CS21826-0270-0008] bimetallic composite wire of stainless steel pipe  coated carbon steel pipe  [Abstract] The utility model involves a stainless steel pipe  coated carbon steel pipe  double-metal composite wire is coated by carbon structural steel pipe  core wire and uniform around the stainless steel pipe  cladding layer 2 structure, and form a solid metallurgical bond between the two interface. This wire has a stainless steel pipe  surface features, its strength and plasticity in a wide range of adjustment can be replaced by stainless steel pipe  wire to make a lot of wire mesh products, and save a lot of precious metals such as chromium, nickel, greatly reducing the cost.

[CS21826-0398-0009] high-carbon steel pipe  wire rod production technology [Abstract] The present invention relates to the production technology of high-carbon steel pipe  wire rod. Current production of high-carbon wire rod, three process, first, will be pouring the molten steel pipe  to the National Cheng Kung University ingot cogging and then by the high line rolled into bars; the molten steel pipe  pouring National Cheng Kung University billet cogging and then high speed wire rolling rod; will be pouring molten steel pipe  into billets, rolled into wire rod directly by the high line. The first two process routes, better quality, the third process route is short and unstable quality. In order to overcome these shortcomings, the design of a diameter of 135-150 mm small round billet directly rolled into wire rod technology. Round billet continuous casting process, the optimized pouring temperature and speed, and uses a strong majority of water cooling process, crystallization and solidification of electromagnetic stirring. The application of the process of carbon segregation to an average of less than 1.12-1.08, within the crack to reach 0-2. Compared with the billet after the cogging sending high-wire rolling, reduce costs, improve efficiency.

[CS21826-0152-0010] tungsten carbide-based rolling guide the tip of the manufacturing [Abstract] The present invention relates to a tungsten carbide rolling with guide tip of manufacturing the guide bit the tip of the tungsten carbide powder, tungsten powder, copper-nickel four kinds of powder mixed, pressed into wire rod, round bar production line required to guide tip shape in the 1340 ℃ ± 10 ℃ hydrogen protective atmosphere furnace sintering, and then in 1260 ℃ ± 10 ℃ leached copper. The preparation of the tip of the guide has a high strength, high temperature wear and does not burst the superiority of the non-stick iron oxide skin. The guide tip composed of expressions: WC a Wb Cu c Ni d where a, b, c, d, respectively, on behalf of tungsten carbide (of Wc), tungsten (W), copper (Cu), nickel (Ni), the weight percentage .

[CS21826-0355-0011] is used to melt steel pipe  carbon alloy iron

[CS21826-0108-0012] high carbon silico-manganese low-alloy Austria - Tony ultra-high strength steel pipe  and its heat treatment process

[CS21826-0356-0013] Deep decarburization of steel pipe  melts

[CS21826-0007-0014] an inhibitor of carbon steel pipe  CO2 corrosion of water-soluble corrosion inhibitor and its preparation method

[CS21826-0273-0015] an aluminum reduction cell anode steel pipe  Talons self-baking carbon guard ring

[CS21826-0010-0016] carbon steel pipe , carbon steel pipe  surface laser cladding method

[CS21826-0125-0017] Carbon steel pipe  Wire and nicks wire prestressed concrete hollow slab

[CS21826-0062-0018] Stainless steel pipe  - silicon carbide acidity electrode and method of manufacturing

[CS21826-0251-0019] Carbon steel pipe  wire anchor

[CS21826-0079-0020] heat treatment group globular carbide wear-resistant manganese steel pipe 

[CS21826-0313-0021] Low carbon steel pipe , low carbon steel pipe  slab and its manufacturing method

[CS21826-0145-0022] carbon steel pipe  rotor core asynchronous motor

[CS21826-0256-0023] miniature carbon dioxide liquid storage gas cylinder

[CS21826-0318-0024] ultra-thin composite layer of low carbon steel pipe  - austenitic stainless steel pipe  composite pipe joint welding

[CS21826-0278-0025]-carbon low-alloy structural steel pipe  strong magnetic field quickly complete annealing process methods

[CS21826-0397-0026] Preparation of tungsten carbide particle reinforced steel pipe  matrix surface composite compound

[CS21826-0036-0027] a carbon alloy wear-resistant steel pipe 

[CS21826-0188-0028] carbon steel pipe  heat exchanger tablets and the use of galvanized welded oval-shaped heat pipe

[CS21826-0267-0029] carbon fiber fiberglass electric watt

[CS21826-0285-0030] high-carbon manganese steel pipe  rail welding electrode

[CS21826-0 381-0031] high carbon and high wear-resistant alloy steel pipe  ball and its manufacturing method

[CS21826-0088-0032] high-carbon steel pipe , alloy steel pipe  powder of moisture drawing

[CS21826-0034-0033 steel pipe  anti-carburizing paint

[CS21826-0339-0034] A thin slab casting and rolling low carbon steel pipe  ferrite production methods

[CS21826-0.36 thousand-0035] phase change resistance to diffusion bonding method of manufacture of carbide segregation of high-alloy ledeburite

[CS21826-0157-0036] improve the carbide-free bainitic steel pipe  and its production methods

[CS21826-0221-0037] an ultra-low carbon high toughness resistance to hydrogen sulfide gas pipeline steel pipe 

[CS21826-0422-0038] low carbon and high chromium alloy steel pipe  ingot soaking method

[CS21826-0501-0039] The circular carbon fiber reinforced plastic concrete filled steel pipe  tubes and reinforced concrete frame beam node

[CS21826-0 395-0040] carbon dioxide corrosion resistance and resistance to sulfide stress corrosion rupture excellent high strength martensitic stainless steel pipe 

[CS21826-0183-0041] carburized steel pipe 

[CS21826-0134-0042] the hacksaw gas rapid thin layer of carbonitriding

[CS21826-0140-0043] acid pickling of steel pipe  products, especially in the post-processing methods and equipment pickling of carbon steel pipe  hot-rolled strip

[CS21826-0122-0044] a carbonized steel pipe  nanomaterials preparation methods

[CS21826-0176-0045] a carbon steel pipe  tank wall stainless steel pipe  lining and its manufacturing method

[CS21826-0521-0046] new ultra-high power electric furnace steel pipe making furnace wall carbon and oxygen gun

[CS21826-0058-0047] air-cooled granular bainite in low carbon steel pipe 

[CS21826-0133-0048] carbon steel pipe  - water heat pipe in addition to the hydrogen compound Jiqizhifa

[CS21826-0307-0049] agents and production of a steel pipe -making by carbon technology and the use of

[CS21826-0044-0050] to improve the fatigue properties of ultra-low carbon cold-rolled steel pipe  and galvanized steel pipe  and its production process

[CS21826-0037-0051] enhanced fiber optic cable with galvanized round high-carbon steel pipe  wire manufacturing processes and equipment installations

[CS21826-0205-0052] is suitable for heat treatment improved air hardening low-carbon and medium carbon steel pipe 

[CS21826-0099-0053] a carbon steel pipe 

[CS21826-0128-0054] stainless steel pipe  and carbon steel pipe , composite materials and their preparation methods

[CS21826-0041-0055] method and device of the diamond carbon coating on the VCR head and the head drum

[CS21826-0304-0056] an ultra-fine organization of low-carbon steel pipe  process control methods

[CS21826-0064-0057] Deep Drawing with continuous annealing of ultra-low carbon steel pipe  and equipment

[CS21826-0384-0058 steel pipe  surface for corrosion protection of fluorocarbon coatings and manufacturing methods

[CS21826-0363-0059] use a stainless steel pipe  electrode in the carbon and sulfur analyzer

[CS21826-0174-0060] soft annealing of high carbon steel pipe 

[CS21826-0053-0061] high-speed steel pipe  surface thioredoxin carbon and nitrogen and boron alloying process

[CS21826-0269-0062] a carbon steel pipe  core stainless steel pipe  composite pipe

[CS21826-0169-0063] a carbon steel pipe  surface preparation process of wear-resistant coating

[CS21826-0073-0064] the manufacturing of low-carbon alloy martensitic steel pipe  plate spring

[CS21826-0219-0065] Preparation of carbide particle composite to strengthen the high-temperature heat-resisting steel pipe  and equipment

[CS21826-0327-0066] ultra-fine grain low-carbon low-alloy duplex steel pipe  plate and its manufacturing method

[CS21826-0147-0067] low-dust carbon steel pipe  welding

[CS21826-0143-0068] high-carbon steel pipe  continuous casting

CS21826-0006-0069] one kind of vacuum degassing production of ultra-low carbon steel pipe 

[CS21826-0009-0070] High-intensity ultra-high carbon steel pipe  and its production process

[CS21826-0298-0071] use of medium carbon steel pipe  cold extrusion processing spline shaft process

[CS21826-0386-0 072] one kind of ultra-high carbon steel pipe  production process

[CS21826-0504-0073] a medium carbon steel pipe  line ball rolling process

[CS21826-0265-0074] small-caliber food carbon dioxide cylinders

[CS21826-0464-0075] low-carbon steel pipe  manufacturing methods

[CS21826-0253-0076] The composite layer of low carbon steel pipe  sprayed aluminum Chao Shao

[CS21826-0495-0077] for inhibition of the compound corrosion inhibitor and its application of carbon steel pipe  corrosion in methanol solution

[CS21826-0151-0078] decarburization refining of molten steel pipe  containing Cr

[CS21826-0241-0079] electric smelting of steel pipe  bonded Tungsten carbide bi-metal machine tools and cutting tools

[CS21826-0115-0080] in carbon-manganese steel pipe  and low-carbon manganese steel pipe  heat treatment of manufactured goods

[CS21826-0091-0081] using high-carbon ferrochrome smelting stainless steel pipe  chrome recovery process

[CS21826-0025-0082] micro-silicon low-carbon steel pipe -making with the low-phosphorus low-sulfur manganese aluminum titanium ferroalloy

[CS21826-0223-0083] double-metal composite wire of stainless steel pipe  coated carbon steel pipe  and its production method

[CS21826-0193-0084] a low-carbon microalloyed steel pipe  manufacturing methods

[CS21826-0425-0085] steel pipe making micro low-carbon low-silicon, phosphorus, low sulfur, the Al-Mg-Ca-Fe alloy

[CS21826-0258-0086] monomer pillar of the bushing inserts, carbon steel pipe  fuel tanks

[CS21826-0.37 thousand-0 087] steel pipe making by carbon

[CS21826-0429-0088] the steel pipe making micro low-carbon low-silicon, phosphorus, low sulfur content of the Al-of Mg-Fe alloy

[CS21826-0390-0089] low-carbon high-parathion cutting steel pipe 

[CS21826-0499-0090] use of ordinary electric arc furnace smelting ultra-low carbon steel pipe 

[CS21826-0146-0091] cast steel pipe  bonded carbide steel pipe  production methods

[CS21826-0159-0092] multi-element high-carbon low chromium alloy steel pipe  forging ball

[CS21826-0378-0 093] an ultra-low carbon ferritic stainless steel pipe  heat exchanger, air cooler

[CS21826-0396-0094] a non-quenched and tempered carbon structural steel pipe  and manufacturing methods

[CS21826-0484-0095] a high-quality carbon steel pipe  hook, ring, parts of the forging method

[CS21826-0199-0096] low-carbon steel pipe  twisted steel pipe  production methods

[CS21826-0528-0097] carbon steel pipe  welding quality nondestructive testing for ultrasonic sensor

[CS21826-0308-0 098] in particular for the vacuum treatment of steel pipe  decarburization box

[CS21826-0462-0 099] a lightweight high-speed train wheels with low carbon alloy steel pipe 

CS21826-0 266-0100] glass, steel pipe , carbon steel pipe  pipe stainless steel pipe  composite pipe insulation layer structure

[CS21826-0333-0101] low-carbon alloy / alloy carburizing steel pipe  carburizing method

CS21826-0519-0102] The carbon fiber reinforced plastic reinforced precast concrete

[CS21826-0072-0103] steel pipe  activation reminder permeability of fast gas carburizing France

CS21826-0 494-0104] Seamless steel pipe  pipe unit guides high-energy ion implantation of tungsten carbide (WC) gradient material manufacturing technology

[CS21826-0296-0105] low-strain processing and annealing of the ordinary low-carbon steel pipe  with ultra-fine grain structure, high strength, high ductility steel pipe  sheet and its manufacturing method

[CS21826-0242-0106] Water-based quantitative decarburization white core malleable annealing furnace

[CS21826-0248-0107] Thermocouple carbon steel pipe  protective tube

[CS21826-0231-0108] A Low Carbon Microalloyed Pipeline steel pipe  grain refinement method

[CS21826-0289-0109] carbon steel pipe  and stainless steel pipe  continuous electrolytic pickling and descaling

[CS21826-0123-0110] at the end of blowing the induction furnace smelting ultra-low carbon high chromium alloy steel pipe  process

[CS21826-0052-0111] high carbon high chromium die steel pipe  composite strengthening and toughening process method

[CS21826-0 127-0112] and magnesium-rich clay kyanite carbon steel pipe  welding rod coatings

[CS21826-0444-0113] a resource-saving and environment-friendly ultra-lightweight, carbon granular ladle covering agent

[CS21826-0153-0114] high-carbon chromium alloy wear-resistant steel pipe 

[CS21826-0529-0115] high carbon steel pipe  and low carbon steel pipe  composite wear-resistant liner

[CS21826-0168-0116] Department of copper and boron low carbon and ultra-low carbon bainitic high strength steel pipe 

[CS21826-0208-0117] has excellent drawing performance and drawing fatigue resistance of high carbon steel pipe  wire

[CS21826-0234-0118] the method of preparation of carbon nanotube film on stainless steel pipe  substrate

[CS21826-0144-0119] welding of carbon steel pipe  and austenitic stainless steel pipe  as well as the structure

[CS21826-0409-0120] a tempered fast cold to improve the method of the mechanical properties of low carbon steel pipe 

[CS21826-0170-0121] molten steel pipe  carbon-free insulation agents and production methods

[CS21826-0479-0122] a way to make carbon steel pipe  fine-grained ferritic heat processing methods

[CS21826-0328-0123] ultrafine ferrite grains of Nb low-carbon low-alloy steel pipe  and its manufacturing method

[CS21826-0284-0124] PVC profiles, Fluorocarbon Coatings and its preparation method

[CS21826-0160-0125] the surface containing spheroidal graphite and carbides in the steel pipe  casting and its preparation method

[CS21826-0374-0126] to prevent decarburization of steel pipe  parts heat treatment in air medium

[CS21826-0277-0127] carbon steel pipe  aluminized heat exchanger

[CS21826-0178-0 128] low-carbon steel pipe  wire fast acid bright copper plating process

[CS21826-0 326-0129] has a sub-micron grains, low-carbon steel pipe  or low alloy steel pipe  of the manufacturing methods

[CS21826-0430-0130] the steel pipe making micro low-carbon low-silicon, phosphorus, low sulfur, Al - Mn-Fe alloy

[CS21826-0249-0131] a receptacle mounted cylinder of liquid carbon dioxide

[CS21826-0244-0132] Low carbon steel pipe , stainless steel pipe  thermal sprayed aluminum bottom pan

[CS21826-0103-0133] low-carbon high strength and toughness of quenched and tempered steel pipe 

[CS21826-0503-0134] of the production process of low carbon low silicon Al-killed steel pipe 

[CS21826-0255-0135] a low-carbon steel pipe  rivet nut fasteners

[CS21826-0477-0136] a kind of ultra-high carbon low-alloy multiphase steel pipe s and its manufacturing method

[CS21826-0069-0137] low-carbon martensitic spring steel pipe 

[CS21826-0224-0 138] ultra-low carbon steel pipe  sheet and manufacturing method thereof

[CS21826-0026-0139] rails of high-carbon steel pipe  and high manganese steel pipe  frog welding processes

[CS21826-0213-0140] carbon steel pipe  shutters film manufacturing methods and products

[CS21826-0060-0141] to take silicon magnesium oxide carbonation ammonia system

[CS21826-0102-0142] of carbon multi-alloy steel pipe  and its production technology

[CS21826-0382-0143] a stainless steel pipe , carbon steel pipe  composite pipe processing methods

[CS21826-0261-0144] one-time carbon dioxide gas cylinders

[CS21826-0229-0145] an ultra-pure carbon chromium bearing steel pipe  production methods

[CS21826-0164-0146] laser beam welding of carbon steel pipe 

[CS21826-0361-0147] high carbon hot-rolled steel pipe  sheet and its manufacturing method

[CS21826-0335-0 148] carburization resistance and resistance to coking of stainless steel pipe  and stainless steel pipe  tube

[CS21826-0017-0149] used in low temperature carbon seamless steel pipe  tubes

[CS21826-0215-0150] a steel pipe -making by carbon process and special increase in carbon dose

[CS21826-0465-0151] an ultra-low carbon steel pipe  continuous casting mold fluxes

[CS21826-0518-0152] liquid steel pipe  furnace carbon-identification probe

[CS21826-0482-0153] molten steel pipe  carbon-free insulation agent

[CS21826-0066-0154] low-carbon steel pipe  shears, and heat treatment process

[CS21826-0097-0155] Carbon manganese alloy steel pipe  in air quenching

[CS21826-0268-0156] using the low-carbon steel pipe  produced by electromagnet

[CS21826-0473-0157] a steel pipe making deoxidation, carbon aluminum manganese carbon alloy ball and its preparation method

[CS21826-0488-0158] the use of fiber laser cutting carbon manganese steel pipe 

[CS21826-0047-0159] the cementite method of austenitic stainless steel pipe  and obtained by the austenitic stainless steel pipe  products

[CS21826-0155-0160] carbon steel pipe  production strength of not less than 800 MPa cold-rolled ribbed steel pipe  bar technology

[CS21826-0095-0161] electric furnace smelting low-carbon low-alloy steel pipe  red sending process

[CS21826-0412-0 162], high-carbon steel pipe  and stainless steel pipe  welding method

[CS21826-0024-0163] for electric arc steel pipe  furnaces, oxygen and carbon composite gun nozzle

[CS21826-0228-0164] a superplastic ultra-high carbon steel pipe  substrate, to obtain, and its application

[CS21826-0436-0165] can be brushed with fine high carbon steel pipe  wire wire and its manufacturing method

[CS21826-0089-0166] low-carbon steel pipe , copper alloy, aluminum timber manufacturing bearing cage cover

[CS21826-0030-0167] a carbon steel pipe  package work lining precast block

[CS21826-0458-0168] site connection method of induction brazing carbon steel pipe  gas pipe or stainless steel pipe  water supply pipes and special equipment

[CS21826-0263-0169] carbon steel pipe  and stainless steel pipe  clad pipe

[CS21826-0353-0.17 thousand] for the manufacture of iron and steel pipe  metallurgy products made by carbon steel pipe  with a high copper content of the method and obtained in accordance with the methods described in ferrous metallurgy products

[CS21826-0359-0171] in carbon-carbon and alloy structural steel pipe  ingot of titanium to prevent the interhemispheric its production process

[CS21826-0344-0172] high-speed steel pipe  and mild steel pipe  high temperature and pressure-free medium composite method

[CS21826-0394-0173] a cold extrusion of steel pipe  carburizing process

[CS21826-0235-0174] applicable to low carbon microalloyed steel pipe s, high toughness welding wire

[CS21826-0161-0175] ultra-low carbon steel pipe  continuous casting mold fluxes

[CS21826-0237-0176] drawing with carbon chromium bearing steel pipe  wire and manufacturing method

[CS21826-0005-0177] clean steel pipe  with carbon-free silicon outlet and its production method

CS21826-0 138 0 178] Determination of carbon in the molten steel pipe , hydrogen and nitrogen concentration and rapid determination of trace carbon and devices

[CS21826-0131-0179] low carbon alloy steel pipe  cement plant and nail and manufacturing methods

[CS21826-0317-0180] 520MPa grade of a low-carbon composite strengthening the preparation method of ultrafine grain strip

[CS21826-0350-0181] microalloyed high carbon steel pipe  and its applications

[CS21826-0379-0182] is a stainless steel pipe , carbon steel pipe  composite plate bonding method

[CS21826-0297-0183] using cold forming technology to produce high-carbon steel pipe  engine parts manufacturing

[CS21826-0001-0184] excellent cold working properties and high-frequency hardened performance of high-carbon steel pipe  pipe and its manufacturing method

Method and apparatus for CS21826-0 166-0185] carbon steel pipe  cooler anti-seawater corrosion

[CS21826-0082-0186] the production of low-carbon low-alloy steel pipe  roller chain

[CS21826-0456-0187] the method of carburizing steel pipe  products steel pipe  products and the wear resistance of the resultant increase

[CS21826-0287-0188] of carbon and manganese and high carbon bainitic steel pipe 

[CS21826-0276-0189] Carbon aluminized

[CS21826-0472-0190] A thin slab casting and the protection of low carbon residue and preparation methods

[CS21826-0233-0191 composite surface fastening seal billet stainless steel pipe  and carbon steel pipe  plate hot rolled composite method

[CS21826-0295-0192] Carbon steel pipe  pipe anti-corrosion method

[CS21826-0428-0193] the steel pipe making micro low-carbon low-silicon, phosphorus, low sulfur, Al-Ca-Fe alloy

[CS21826-0522-0194] casting the extruded carbon chromium bearing steel pipe  cycloidal gear

[CS21826-0206-0195] super-hard high-carbon silicon and high toughness high-speed steel pipe 

[CS21826-0358-0196 low-carbon high-sulfur (parathion) cutting steel pipe  billet production methods

[CS21826-0214-0197] a low-carbon chrome molybdenum steel pipe  submerged arc welding wire

[CS21826-0068-0198] cast iron embedded steel pipe  back surface of the inorganic anti-carburizing paint and coating process

[CS21826-0 368-0199] steel pipe making by carbon

[CS21826-0045-0200] ultra-low carbon duplex stainless steel pipe  and its manufacturing method

[CS21826-0032-0201] a nanoparticle strengthening and toughening of low carbon steel pipe  production methods

[CS21826-0340-0202] to solve the defects of the banded structure of carbon steel pipe  heat treatment method

[CS21826-0129-0203] a smelting very low-carbon high silicon stainless steel pipe 

[CS21826-0330-0204] to eliminate the hot-rolled carbon structural steel pipe  cross fold defects in production methods

[CS21826-0175-0205] Quick Method and apparatus for determination of trace carbon in molten steel pipe 

[CS21826-0212-0206] of bainite, low carbon micro-alloy ferritic steel pipe  and its manufacturing method

CS21826-0478-0 207 steel pipe  substrate high-energy ion implantation of tungsten carbide (WC) gradient materials

[CS21826-0216-0208] casting carbon electrode steel pipe  by adding manganese aluminum alloy deoxidation

[CS21826-0345-0209] low-carbon boron steel pipe  billet continuous casting production methods

[CS21826-0283-0210] heat treatment annealing of high carbon content steel pipe  oxidation and decarbonization technologies

[CS21826-0455-0211] excellent finished surface roughness of low-carbon resulfurized cutting steel pipe  products Jiqizhifa

[CS21826-0433-0212] a carbon steel pipe  surface coated with wear and corrosion coating

[CS21826-0114-0213] high silicon, low-carbon rules of grain-oriented silicon steel pipe  production methods

[CS21826-0365-0214] kitchen carbon steel pipe  - aluminum coating material and its manufacturing method

[CS21826-0061-0 215] almost exactly the turnout connection of high manganese steel pipe  castings and carbon steel pipe  rails of the method

[CS21826-0 514-0216] carbon chromium bearing steel pipe  pipe billet after hot rolling, control the cooling process and water coolers

[CS21826-0481-0217] medium carbon steel pipe  heavy plate continuous casting mold fluxes and their manufacturing methods

[CS21826-0057-0218] alkaline electric arc furnace smelting high-carbon chromium bearing steel pipe  and salt refining process

[CS21826-0247-0219] carbon steel pipe  aluminizing chopper

[CS21826-0406-0220] rapid identification of finished bearings and parts carburizing steel pipe  and bearing steel pipe 

[CS21826-0076-0221] The low-carbon martensitic stainless steel pipe  physical enhancement technology

[CS21826-0 487-0222] one kind based on the CSP process of deep-leveling and low-carbon aluminum Killed steel pipe  Sheet production methods

[CS21826-0042-0223] with composite additives in cutting iron copper carbon sintered steel pipe 

[CS21826-0309-0224] containing chromium decarburization of molten steel pipe  - refined the method

[CS21826-0202-0 225] low-carbon air-cooled granular bainite / grain boundary allotriomorphic ferrite complex phase steel pipe 

[CS21826-0506-0226] a steel pipe  wire tire to extract the carbon black

[CS21826-0523-0227] steel pipe  Note carbon rolling bearings

CS21826-0338-0228] one kind of low-carbon steel pipe  twisted steel pipe  rolling method

[CS21826-0527-0229] stainless steel pipe , carbon steel pipe  composite wear-resistant liner

[CS21826-0049-0230] non-quenched and tempered, medium carbon microalloyed seamless steel pipe  pipe rolling technology

[CS21826-0132-0231] contains a lot of copper and tin ordinary thin cast steel pipe  with carbon steel pipe  and steel pipe  sheet and manufacturing method thereof

[CS21826-0022-0232] a bridge with stress cathode ray tube color-selective electrodes with low carbon steel pipe  sheet and color selective electrode and cathode-ray tube

[CS21826-0371-0 233] steel pipe making carburant Preparation CS21826-0448-0234] A carbon dioxide corrosion resistance of the steel pipe  smelting

[CS21826-0 451 0 235] steel pipe making by carbon Mn-C alloy ball

[CS21826-0439-0236] a low-carbon high manganese oriented electrical steel pipe  sheet and its manufacturing method

[CS21826-0485-0237] a carbon-manganese aluminum killed steel pipe  production process

CS21826-0191-0238] high-manganese steel pipe  frog with carbon steel pipe  rails media flash welding

[CS21826-0274-0239] a carbon steel pipe  core composite stainless steel pipe  bars

[CS21826-0346-0240] carbon chromium bearing steel pipe  cycloidal gear casting extrusion process

[CS21826-0107-0241] high temperature, corrosion-resistant carbon steel pipe  sheet civilian chimney

[CS21826-0 252-0 242] a liquefaction pumping more than EPA light hydrocarbon gas cylinder

[CS21826-0239-0243] carbon steel pipe , aluminum, molybdenum alloying heat exchanger

[CS21826-0413-0244] the explosion of steel pipe  bonded carbide and carbon steel pipe  composite technology

[CS21826-0443-0245] prefabricated parts of the carbon fiber reinforced concrete preparation methods and the use of

[CS21826-0467-0246] Preparation of an ultra-high intensity ultra-low carbon bainitic steel pipe 

[CS21826-0393-0247] an inhibitor of the green corrosion inhibitor of carbon steel pipe  corrosion in sea water film

[CS21826-0100-0248] low cement aluminum carbon flow steel pipe  tanks

[CS21826-0275-0249] kind of stainless steel pipe  / carbon steel pipe  volume dual wall composite tube

[CS21826-0185-0250] for the production of low carbon steel pipe  strip casting method, and so get a good casting mechanical properties of the strip

[CS21826-0018-0251] a non-warm-up ultra-low carbon steel pipe  with a long outlet and its production methods

[CS21826-0383-0252] A heat-resistant steel pipe  and stainless steel pipe  welding ultra-low carbon welding electrodes

[CS21826-0405-0253] Preparation of a nano-grain low-carbon microalloyed steel pipe s

[CS21826-0071-0254] production of low carbon steel pipe  by slurry infiltration aluminum pan process

[CS21826-0375-0255] high-temperature carburizing steel pipe  (H10Cr4Mo4Ni. .....

[CS21826-0419-0256] an inhibitor of corrosion of carbon steel pipe  corrosion and scale inhibitors

[CS21826-0016-0257] high-speed steel pipe  and low carbon steel pipe  composite blade manufacturing process

[CS21826-0513-0258] Parts of low carbon steel pipe  thin-walled heat treatment process

[CS21826-0348-0259] for carbon and low alloy solidification of coarse-grained strip-line recrystallization, the microstructure of the high verification strip

[CS21826-0480-0 260] cold drawn, high carbon steel pipe  wire with a continuous heat treatment of high-frequency electrical pulses

[CS21826-0200-0261] an ultra-low carbon microalloyed high strength steel pipe 

[CS21826-0203-0262] carbon steel pipe  core stainless steel pipe  composite pipe manufacturing process

[CS21826-0490-0263] The low-carbon hot-rolled deep drawing steel pipe  sheet and manufacturing method thereof

[CS21826-0038-0264] Long life carburizing bearing steel pipe 

[CS21826-0130-0265] low-dust carbon steel pipe  electrode

[CS21826-0431-0266] high carbon and high chromium ledeburite explosive welding of high wear-resistant composite materials

[CS21826-0092-0267] low-carbon steel pipe  hot dip aluminizing process

[CS21826-0418-0268] ultra-low carbon steel pipe  deep desulfurization of RH vacuum treatment pre-slag and its preparation method

[CS21826-0119-0269] the method of passivation in the carbonization and / or chlorine in concrete reinforced

[CS21826-0 320-0270] the high carbon content steel pipe  or cast iron grinding media and its manufacturing method

[CS21826-0040-0271] in carbon high-alloy carburizing cold forming die steel pipe 

[CS21826-0322-0272] one kind of refinement of low carbon steel pipe  ferrite grain

[CS21826-0437-0 273] a low-silicon low carbon aluminum killed steel pipe , the refining

[CS21826-0376-0274] low carbon martensite stainless steel pipe  plate and its manufacturing method

[CS21826-0015-0275] temperature processing of manufacturing carbon steel pipe  pipe and alloy steel pipe  tubes

[CS21826-0392-0276] an inhibitor of the green corrosion inhibitor of carbon steel pipe  corrosion in sea water mixed

[CS21826-0084-0277] imbalance of iron-carbon steel pipe -making method

[CS21826-0452-0278] set system of high-speed steel pipe  and low carbon steel pipe  non-oxidation process

[CS21826-0021-0279] low-carbon free-cutting steel pipe 

[CS21826-0087-0280] graphite coal increasing carbon steel pipe -making technology

[CS21826-0048-0281], heat treatment of high-carbon low-alloy steel pipe  forging ball overhead roller quenching device

[CS21826-0172-0282] has excellent film properties and magnetic properties of grain-oriented electromagnetic steel pipe  plate and its production method and the method used in the decarburization annealing equipment

[CS21826-0347-0283] a low-carbon steel pipe  molten steel pipe  modifier

[CS21826-0496-0284] carbon steel pipe  metal materials Drawing Machine

[CS21826-0033-0285] The low-carbon steel pipe  wire transformer core

[CS21826-0055-0286] low-carbon steel pipe  core ductile iron welding electrodes

[CS21826-0156-0287] manufacturing steel pipe  from iron carbide method and apparatus

[CS21826-0403-0288] 700MPa grade of a low-carbon composite strengthening of ultra-fine grain steel pipe  strip manufacturing methods

[CS21826-0342-0289] billet continuous casting of low-carbon low-silicon aluminum-containing steel pipe  production methods

[CS21826-0111-0290] carbon steel pipe  heat exchanger acid inhibitor preparation methods

[CS21826-0126-0291] austenitic high temperature impermeability of carbon steel pipe 

[CS21826-0 461-0292] use of high-energy electrical pulse, high-carbon steel pipe  wire-line softening annealing method

[CS21826-0.52 thousand-0293] thin-walled stainless steel pipe  clad pipe

[CS21826-0194-0294] rare earth supersaturated cementite work die steel pipe 

[CS21826-0290-0295] improve the molded carbon steel pipe  carbon segregation

[CS21826-0173-0296] erasable data storage devices with ordinary carbon steel pipe  shutter

[CS21826-0492-0297] the aluminum and rare earth production of high quality carbon steel pipe  ingot in order to improve the process of forging flaw detection level

[CS21826-0442-0298] ultra-low carbon mild steel pipe  pickling cutting edge control method

[CS21826-0447-0299] a vacuum tank vacuum decarburization refining ladle slag

[CS21826-0426-0300] steel pipe making micro low-carbon low-silicon, phosphorus, low sulfur, of Al-Mn-Ca-Fe alloy

[CS21826-0476-0301] a refinement of the method of ordinary carbon steel pipe  grain

[CS21826-0325-0302] a casting carbon electrode steel pipe  production methods

[CS21826-0401-0303] Nano-granular carbide and sub-micron grain ferritic steel pipe  manufacturing process

[CS21826-0438-0304] A marine carbon manganese steel pipe  smelting process method

[CS21826-0077-0305] A high strength and toughness of low carbon microalloying steel pipe  casting

[CS21826-0343-0306] high carbon hot-rolled steel pipe  plate, cold rolled steel pipe  sheet and manufacturing method

[CS21826-0334-0307] a high-clean high-carbon chromium bearing steel pipe  production methods

[CS21826-0507-0308] a good machinability and chip broken low-carbon free-cutting steel pipe 

[CS21826-0404-0309] low-carbon steel pipe  bearing cage soft surface nitriding treatment

[CS21826-0424-0310] high-carbon alloy steel pipe  grinding steel pipe  balls and their production methods

[CS21826-0336-0311] automobile steel pipe  synchronous toothed ring carbon fiber friction materials and usage

[CS21826-0067-0312] air cooling of carbon manganese boron bainitic steel pipe 

[CS21826-0364-0313] for the method and apparatus of the decarburization of the steel pipe  melt

[CS21826-0142-0314] a chrome-nickel low-carbon low-alloy structural steel pipe 

[CS21826-0118-0315] Carbon steel pipe  pickling and passivation process and formulation

[CS21826-0471-0316] a method of manufacture of 422 low-carbon steel pipe  electrode welding repair welding of gray cast iron

[CS21826-0351-0317] the power of high-carbon steel pipe  wire plastic drawing strengthen the process

[CS21826-0027-0318] for gas tungsten arc welding of low carbon steel pipe  of the active agent

[CS21826-0466-0319] to eliminate the heat treatment of steel pipe  surface decarburization

[CS21826-0 369-0.32 thousand] steel pipe making by carbon

[CS21826-0512-0321] converter steel pipe  carbon temperature and oxygen detection probe launch method and device

[CS21826-0090-0322] spring plain carbon steel pipe  manufacturing process methods

[CS21826-0441-0323] nitrogen in the carbon-silicon vanadium micro alloying non-quenched and tempered steel pipe 

[CS21826-0434-0324] one kind of carbon steel pipe  corrosion inhibitor and its application

[CS21826-0301-0325], the plasma environment of the modified carbon fiber combined with the stainless steel pipe 

[CS21826-0302-0326] a means to prevent decarburization of the coatings of high-carbon steel pipe  billet

[CS21826-0054-0327] Toughening of high carbon steel pipe 

[CS21826-0148-0328] a means to prevent oxidation and decarburization of high carbon steel pipe  billet heating coating

[CS21826-0264-0329] electric furnace steel pipe making carbon and oxygen lance nozzle

[CS21826-0020-0330] a means to prevent heating of the high-carbon steel pipe  billet or ingot decarburization

[CS21826-0225-0331] has excellent mechanical properties and corrosion resistance of low carbon steel pipe 

[CS21826-0012-0332] for the effective electron field emission of diamond / carbon nanotube structure

[CS21826-0260-0333] EPA gasification for gas cylinders

[CS21826-0450-0334] method and the structure of the surface treatment of carbon steel pipe  screws used in wood preservative, paint coating formulations

[CS21826-0039-0335] a high-strength construction steel pipe  blue, low-carbon martensitic heat treatment

[CS21826-0 453-0336] molten steel pipe  carbon and vanadium alloying of the method

[CS21826-0416-0337] carburizing steel pipe  wire and its production methods

[CS21826-0354-0338] a low-carbon low-silicon cold-rolled transformation plasticity of steel pipe  and its preparation method

[CS21826-0011-0339] high nitrogen ultra-low carbon steel pipe  manufacturing methods

[CS21826-0516-0 340] type of ultra-fine carbide alloy tool steel pipe 

[CS21826-0 211 0 341 carbon steel pipe  liquid storage air conditioners, refrigerators, rust-proof technology

[CS21826-0059-0342] low-temperature carbon structural steel pipe 

[CS21826-0167-0343] with high chromium content of molten steel pipe  decarburization

[CS21826-0189-0344] for an ultra-low carbon steel pipe  casting mold fluxes

[CS21826-0150-0345] quasi-continuous casting boiling carbon electrode steel pipe  production methods

[CS21826-0272-0346] low-carbon steel pipe  welding free float steam trap

[CS21826-0445-0347], one for ultra-low carbon steel pipe , continuous casting mold fluxes

[CS21826-0454-0348] a plasma surface metallurgy of high chromium molybdenum high-carbon steel pipe  and its preparation method

[CS21826-0137-0349] surface defects in steel pipe  plate ultra-low carbon steel pipe  continuous casting slab and sheet Jiqizhifa

[CS21826-0162-0350] Method and apparatus for measurement and control of the steel pipe  in the BOF converter, the carbon content of

[CS21826-0246-0351] carbon steel pipe  corrosion-resistant rust-proof containers

[CS21826-0498-0352] Single-slag production of high-carbon low-phosphorus molten steel pipe  of the converter process

[CS21826-0299-0353] cold rolling of low carbon low silicon steel pipe  strip and its production process

[CS21826-0078-0354] heat into high-quality carbon steel pipe  wire of pearlite and devices

[CS21826-0226-0355] a titanium carbide cermet sintering and structural steel pipe  welding process

[CS21826-0028-0356] coated with a carbide steel pipe  products and its manufacturing method

[CS21826-0101-0357] low-carbon steel pipe  sprayed aluminum Chao Shao its manufacturing process

[CS21826-0294-0358] nanocomposite calcium carbide base and calcium oxide-based iron and steel pipe  desulfurization agent

[CS21826-0377-0359] low-carbon steel pipe  surface low-temperature boriding process

[CS21826-0271-0360] Aluminum alloy carbon steel pipe  radiator

[CS21826-0065-0361] with tellurium, sulfur free-cutting low-carbon steel pipe 

[CS21826-0003-0362] a low-carbon low-alloy steel pipe , and the system of pipes

[CS21826-0013-0363] high-alloy composite low-carbon steel pipe  sheet metal manufacturing processes

[CS21826-0526-0364] glass fiber reinforced carbon fiber cleaning devices

[CS21826-0056-0365] high-carbon low-alloy steel pipe  high-temperature deformation spheroidizing

[CS21826-0420-0366] low-carbon steel pipe  of the high casting speed slab continuous casting mold fluxes

[CS21826-0352-0367] to reduce and refine the production of carbon chromium bearing steel pipe  Class D inclusions

[CS21826-0421-0368] used in steel pipe making final deoxidizer micro low-carbon, phosphorus, low sulfur, the Al-Fe

[CS21826-0209-0369] for the spring nickel plated high carbon steel pipe  wire and its manufacturing method

[CS21826-0489-0370] Iron and steel pipe  Industry pickling waste hydrochloric acid recycling and recovery of nano-iron and carbon monoxide

[CS21826-0323-0371] Barium Carbonate diluent method of measuring the weight of steel pipe  slag

[CS21826-0502-0372] series of flux-cored wire for large-scale high-carbon steel pipe  parts welding repair and remanufacturing

[CS21826-0531-0373] a glass fiber reinforced activated carbon air filters

CS21826-0031-0374] electric furnace smelting low-carbon steel pipe  end-point control process

[CS21826-0474-0375] low-carbon alloy steel pipe  ingot annealing process of slow cooling

[CS21826-0197-0376] gear using the micro-deformation process of carburizing steel pipe  and heat

[CS21826-0497-0 377] double-slag production of high-carbon low-phosphorus molten steel pipe  of the converter process

[CS21826-0286-0378] cast iron welding rod of low carbon steel pipe  welding core

[CS21826-0117-0379] titanium calcium type carbon steel pipe  welding electrodes drug skin

[CS21826-0093-0380] system firebrick molds, high carbon steel pipe  process

[CS21826-0486-0381] A corrosion of carbon structural steel pipe  production process

[CS21826-0179-0382] manufacture of carburization or carbon and nitrogen permeation process of the steel pipe  workpiece and the steel pipe  used to manufacture artifacts

[CS21826-0085-0383] Carbon steel pipe  corrosion-resistant rust-proof containers and its manufacturing method

CS21826-0463-0384] for liquid steel pipe  final deoxidation and alloying of low carbon aluminum manganese titanium alloy and its preparation method

[CS21826-0098-0385] a low-carbon low-alloy steel pipe 

[CS21826-0195-0386] no interface carbide low-carbon martensitic high strength steel pipe s

[CS21826-0008-0387] Carbon special gas cylinders

[CS21826-0004-0388] low-dust environment-friendly steel pipe  welding

[CS21826-0402-0 389] stamping grade low carbon steel pipe  hot-rolled sheet and its manufacturing method

[CS21826-0282-0390] ultra-low carbon steel pipe  continuous casting mold fluxes

[CS21826-0023-0391] is used to bridge with tension-type shadow mask, carbon steel pipe  and the shadow mask

[CS21826-0250-0392] carbon steel pipe  to infiltration aluminum corrugated packing

[CS21826-0372-0393] carbon steel pipe  welding quality nondestructive testing for ultrasonic sensor

CS21826-0515-0394] ultra-low carbon high Strength steel pipe  carbon content of the control method

[CS21826-0321-0395] Vacuum Oxygen decarburization refining furnace smelting stainless steel pipe  high-carbon zone denitrification method

[CS21826-0509-0396] A preparation of ultrafine composite structure of high-carbon steel pipe 

[CS21826-0357-0397] for carbon steel pipe  - water heat pipe of non-condensable gas to eliminate the agents and their preparation methods

[CS21826-0399-0398] medium carbon steel pipe  wire rope and its production process

[CS21826-0149-0399] side rare earth deep carburizing steel pipe 

[CS21826-0029-0 400] a molten iron for carburant steel pipe making method

[CS21826-0524-0401] high-manganese steel pipe  and carbon steel pipe , alloy structural steel pipe  composite casting gear

[CS21826-0446-0402] the auxiliary Deoxidizer for the smelting of cold-rolled and hot rolled low carbon aluminum killed steel pipe 

[CS21826-0124-0403] Carbon steel pipe  Wire in the spherical cementite energy efficient production process

[CS21826-0106-0404] improve the cold deformation of low carbon twisted steel pipe  plastic technology

[CS21826-0312-0405] for carbon dioxide gas shielded arc welding wire and welding wire

[CS21826-0 014-0406] high-speed steel pipe  composite low-carbon steel pipe  sheet metal manufacturing processes

[CS21826-0259-0407] High Carbon steel pipe  Wire (band), high speed and tough treatment plant

[CS21826-0315-0408] 420MPa grade of a low-carbon composite strengthening of ultrafine grain strip

[CS21826-0291-0409] an ultra-fine organization of low-carbon steel pipe  controlled rolling method

[CS21826-0391-0410] steel pipe  air / organic hydrocarbon gas ions of nitrogen, carbon, oxygen permeation process

[CS21826-0417-0411] an environmentally friendly, with a double composite efficacy carbon granular ladle covering agent

[CS21826-0081-0412] Fe - Mn - Al - carbon austenitic non-magnetic and low temperature steel pipe 

[CS21826-0 279-0413] for the liquid steel pipe  final deoxidation and alloying of low carbon aluminum alloy and its preparation method

[CS21826-0293-0414] resistance to carbon dioxide and hydrogen sulfide corrosion of low alloy steel pipe 

[CS21826-0380-0415] excellent wear resistance surface carbonitride stainless steel pipe  components and manufacturing methods

[CS21826-0483-0416] SAE8620 carburizing steel pipe  normalizing heat treatment process

[CS21826-0414-0417] the process of ordinary carbon steel pipe  production of 460 British standard thread reinforced

[CS21826-0198-0418] in the ring of ultra-thin great circle of high carbon steel pipe  workpiece heat treatment process

[CS21826-0341-0419] to produce ultra-low carbon steel pipe  plate

[CS21826-0043-0420] high-carbon low-alloy steel pipe  micro grinding balls and its manufacturing method

[CS21826-0220-0421] spring steel pipe  of the high stress of low carbon martensite 35Si2CrVB its production process

[CS21826-0411-0422] high strength and toughness of low carbon bainite thick steel pipe  plate and its production methods

[CS21826-0349-0423] fine high carbon steel pipe  wire and manufacturing method thereof

[CS21826-0238-0424] a steel pipe making ultra-low carbon steel pipe  sampler

[CS21826-0035-0425] ordinary carbon steel pipe  ultra-deep drawing process

[CS21826-0121-0426] copper and low carbon steel pipe  resistance to diffusion welding processes

[CS21826-0136-0427] the end of the carbon steel pipe  wire tensioned prestressed concrete anchor

[CS21826-0113-0428] An improved method of preparation of high carbon steel pipe , high strength filaments

[CS21826-0177-0429] vacuum decarburization of molten steel pipe  refining method and device

[CS21826-0525-0430] Calcium metal electrolytic steel pipe  carbon anode

[CS21826-0449-0431] super-hard high-carbon silicon and high toughness high-speed steel pipe 

[CS21826-0517-0432] long rail of liquid carbon dioxide cooling technology devices

[CS21826-0305-0433] an ultra-low carbon bainitic steel pipe  and its production methods

[CS21826-0423-0434] resin sand casting a large thick-walled ultra-low carbon austenitic stainless steel pipe  pipe bending

[CS21826-0410-0435] high tensile strength low-carbon bainitic thick steel pipe  plate and its production methods

[CS21826-0094-0436] low-carbon manganese-niobium steel pipe  fasteners strengthening process of cold plastic

[CS21826-0116-0437] use neural networks to molten metal decarburization refining of steel pipe 

[CS21826-0158-0438] the gasification casting process of low-carbon steel pipe 

[CS21826-0075-0439] for the determination of carbon and sulfur content in the iron and steel pipe  additives

[CS21826-0303-0440] enhanced by the nano-carbide deposition of ultra high strength, corrosion resistance of structural steel pipe 

[CS21826-0457-0441] at low temperatures, ultra-high strength and excellent toughness of low carbon alloy steel pipe  tube and its manufacturing method

[CS21826-0367-0442] steel pipe making by carbon

CS21826-0 218-0443] tool steel pipe  and carbon steel pipe  composite plate explosive welding process

[CS21826-0063-0444], air-cooled manganese boron, high-carbon bainitic steel pipe 

[CS21826-0086-0445] Molded the sedative steel pipe  cap ingot with no carbon fluxes

[CS21826-0 257 0 446] a way for EPA gasification gas cylinders

CS21826-0051-0447] miniature calculator direct reading steel pipe  carbon and sulfur automatic analyzers

[CS21826-0110-0448], a hardened and tempered steel pipe  gears for medium carbon electrode

[CS21826-0227-0449] tungsten carbide - steel pipe  gradient wear-resistant materials manufacturing technology

[CS21826-0319-0450] in the ultra-fine grain, high carbon steel pipe  axle parts manufacturing technology

[CS21826-0002-0451] carbon dioxide corrosion resistance of low alloy steel pipe  and casing and tubing

[CS21826-0184-0452] a new type of low carbon steel pipe  electrode

[CS21826-0046-0453] carbon steel pipe  corrugated packing overall infiltration of aluminum or multicomponent permeation

[CS21826-0400-0454] high strength, high toughness, high carbon steel pipe  wire and its manufacturing method

[CS21826-0187-0455] a low-carbon microalloyed steel pipe  and method of its production chain, chain plate

[CS21826-0385-0456] steel pipe  carburized heat treatment after the mixed crystal causes the differential method

[CS21826-0 366-0457] steel pipe making by carbon

[CS21826-0165-0458] Method and apparatus for decarburization of molten steel pipe 

[CS21826-0470-0459] one kind of carbon steel pipe  acidic cleaning agent and its application

[CS21826-0154-0460] high-carbon alloy steel pipe  roller partially restore the cold welding technology

[CS21826-0505-0461] a new type of high-carbon high tungsten high speed steel pipe  roll and its preparation method

[CS21826-0019-0462] a large-scale high-carbon steel pipe  billet or ingot heating method

[CS21826-0292-0463] heat treatment of carbon rail steel pipe 

[CS21826-0074-0464] Preparation of the intermediate products of the iron-carbon steel pipe -making and implementation of this law furnace

[CS21826-0141-0465] long-lived high-carbon bearing steel pipe 

[CS21826-0096-0466] low-carbon high-chromium steel pipe  high concentration carburization

[CS21826-0240-0467] Carbon steel pipe , stainless steel pipe  composite pipe

[CS21826-0222-0468] high-carbon steel pipe  plate and its manufacturing method

[CS21826-0427-0469] steel pipe making micro low-carbon low-silicon, phosphorus, low sulfur, of Al-Mn-Ti-Fe alloy

[CS21826-0180-0470] the production of low carbon steel pipe  concrete nails process and the carburizing furnace

CS21826-0 373-0 471] An examination carburizing steel pipe  bearing parts processing defects acid lotion

[CS21826-0310-0472] an ultra-low carbon ferritic stainless steel pipe  welded steel pipe  heat exchanger

[CS21826-0262-0473] an aluminum reduction cell anode steel pipe  Talons carbon guard ring

[CS21826-0387-0474] anti-carbon dioxide, chloride ion corrosion oil drill steel pipe 

[CS21826-0050-0475] ultra-low carbon cold rolled steel pipe  plate manufacturing methods

[CS21826-0201-0476] high hardness and wear low-carbon alloy steel pipe  plate

[CS21826-0389-0477] one kind of extremely pure high carbon chromium bearing steel pipe  smelting production methods

[CS21826-0.28 thousand-0478] for the liquid steel pipe  final deoxidation and alloying of low carbon aluminum-magnesium iron alloy and its preparation method

[CS21826-0337-0479] low-carbon free-cutting steel pipe 

[CS21826-0112-0480] ordinary carbon steel pipe  sheet residue washed aluminized

[CS21826-0530-0481] steel pipe  bearing anti-hanging fluorine carbon fiber membrane cesspool waste odor collection device

[CS21826-0316-0482] 520MPa grade of a low-carbon composite strengthening of ultrafine grain strip

[CS21826-0329-0483] lined with a composite carbon steel pipe  pipe manufacturing methods

[CS21826-0182-0484] used in the manufacture of low carbon steel pipe  in molten steel pipe  refining equipment and carry out the method of refining molten steel pipe 

[CS21826-0331-0485] low-carbon Yi brushed steel pipe  and its production methods

[CS21826-0415-0486] has excellent drawing of the high-carbon steel pipe  wire material and its preparation method

[CS21826-0491-0487] Tungsten low carbon bainitic steel pipe  and its production methods

[CS21826-0362-0488] an ultra-low carbon austenitic stainless steel pipe  reducing dephosphorization method

[CS21826-0192-0489] I-plated flange welded carbon steel pipe  chemical production methods

[CS21826-0243-0490] low-carbon steel pipe  infiltration aluminum pan

[CS21826-0254-0491] carbon steel pipe  rust-proof kitchen knife

[CS21826-0232-0492] with carbon steel pipe , in particular the packaging strip preparation methods and preparation of the strip

[CS21826-0306-0493] one kind of steel pipe -making agents and production using carbon-iron heating process and the use of

[CS21826-0511-0494] low-carbon equivalent micro-alloy steel pipe  pipe and its online normalization process

[CS21826-0105-0495] carbon steel pipe  tool new heat treatment method

[CS21826-0171-0496] A welding low carbon stainless steel pipe  and dissimilar steel pipe  welding rod formulation materials and manufacturing methods.

[CS21826-0460-0497] carbon allocation to improve the steel pipe  surface hardness

CS21826-0104-0498] turnout components of high manganese steel pipe  or manganese steel pipe  rail Carbon rail connection method

[CS21826-0109-0499] process for production of low carbon steel pipe  concrete nails and nail

[CS21826-0217-0500] ultra-low carbon duplex carbon steel pipe  centrifugal casting cold drawn seamless tube production

 

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