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

 
 

JIS G3441 alloy steel seamless pipe


 Specifications

ASTM A519/JIS G3441 alloy steel seamless pipe T+Q 
OD:HRS 2"-30",CDS 0.875"-18" 
WT:HRS 0.250"-4",CDS 0.035"-0.875"

Usage Applicable to the general structure, mechanical structure with seamless steel tubes

 Carbon steel pipe|



Quality Standard  

ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

JIS G3441 Alloy steel tubes for machine purposesERW steel pipe|

DIN 2391 Seamless Precision Steel Tubes

DIN 2448 SEAMLESS STEEL PIPES AND TUBESAPI steel pipe|

BS 6323 SEAMLESS AND WELDED STEEL TUBES FOR AUTOMOBILE MECHANICAL AND GENERAL ENGINEER PURPOSE

EN10305 Steel tubes for precision applications Technical delivery conditions Seamless cold drawn tubes

EN 10297 Seamless circular steel tubes for mechanical and general engineering purposesStainless steel pipe |

 

Steel Grade

ASTM A519 1010-1045, 4130-4142, 5135

JIS G3441 SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440 TK

JIS G3444 STKM 11A, STKM 12, STKM 13, STKM 14, STKM 15, STKM 16, STKM 17, STKM 18

STKM 19, STKM 20| Carbon steel pipe | Welded steel Pipe

BS 6323 CFS 3, CFS 3Aa, CFS 4, CFS 5b, CFS 6, CFS 7, CFS 8d, CFS 9, CFS 10, CFS 11

 

Sizeseamless carbon steel pipe

Outer Diameter Hot finish 2" - 30", Cold drawn 0.875" - 18"  

Wall Thickness Hot finish 0.250" – 4.00", Cold drawn 0.035" – 0.875"Oil pipeline | 

Length Random Length, Fixed Length, SRL, DRL

 

Heat treatment

Annealed, Full Annealed, Bright annealed, , Spheroidize annealed 

Normalized, Stress relieved, Cold finished, Quenched and Tempered

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