Specifications 42CrMo/4140/SCM 440 alloy steel seamless pipe T+Q 
 
1. Specification:
1)O.D: 1/2"--48"  
2)W.T: 2-60mm   

2. Steel Grade:
10#, 20#, 20G, 35#, CK45, 16Mn, ST37, ST52, 
15CrMo, 42CrMo, 12Cr1MoV, 13CrMo44, 15Mo3, 10CrMo910
H40,J55,K55,N80,L80,C-90,C95,T95,P110,
Gr.B, X42, X46, X52, X60, X65, X70, X80;

3. Standard:
ASTM A106B/A53B/A179/A192/A200/A210A1/A210C/A213/A333/A335
GB/T 9948-88, API 5CT, API 5C, API 5L, GB/T8162, 8163, 3087
JIS G3461/3462/3454 /3455/3456
DIN 1629/17175/2448/2391
 
4. Application:
oil refinery furnace pipe, heating exchanger pipe and tubing, etc
Usage Applicable to the general structure, mechanical structure with seamless steel tubes
Quality Standard  
ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
JIS G3441 Alloy steel tubes for machine purposes
DIN 2391 Seamless Precision Steel Tubes
DIN 2448 SEAMLESS STEEL PIPES AND TUBES
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 purposes

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

Size
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"
Length Random Length, Fixed Length, SRL, DRL

Heat treatment
Annealed, Full Annealed, Bright annealed, , Spheroidize annealed 
Normalized, Stress relieved, Cold finished, Quenched and Tempered
Delivery Condition BKS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)
Packing Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips
Test Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection
Mill Test Certificate EN 10204/31B