Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association


st35 st37 st 42 st52 pipe


st35 st37 st 42 st52 carbon steel pipe

1)  Standard:API 5L,ASTM 36.10M,A106,A53,DIN 1629,1626,BS,JIS.etc

2)  Material: ASTM A106/A53,ST37,35, API 5L GR. B /X42/X52.etc
3)  Size: OD 1/8”to 48” (10.3mm-1219.2mm)

4)  Wall Thickness : 2mm to 60 mm
5)  Schedule: SCH5-160, STD, XS, XXS etc.

6)  Technique:Hot Rolled,Cold Drawn,Seamless,ERW,LSAW,SSAW,

7) Surface treatment:bare,black painting,anti rust oil,hot dipped galvanized,3pe,etc

8)  Length: 5.8 meters for 20' container, 6 meters to 12 meters for 40' container

9)  Application:petroleum,gas,chemical,power,shipbuilding,boiler,construction,,metallurgy,etc
10)  Minimum Order Quantity: 10 MTS
11)  Delivery term: FOB / CFR / CIF

12)  Certification:MTC, ISO, API,

13) Packaging: painting, bevelled ends , plastic caps, in bundles,

14) Payment term: 30%T/T advance payment ,  Irrevocable LC at sight
15) Delivery Time: 10-30days or as customers ' requirement

16)Productivity: 50,00,000 T/Y


Special design available according to requirements

Anti-corrosion and high-temperature resistant with black painting

All the production process are made under the ISO:9001-2000 strictly


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