|
Product category |
Steel grade |
Standard |
Application |
|
Seamless steel tubes for mechanical engineering and normalstructure |
10.20.35.45.Q345.Q460.Q490.Q620. |
GB/T8162 |
Seamless steel tubes for manufaclumg pipelines pipe fittings equipments and mechanlcal structures |
|
42CrMo.35CrMo.42CrMo. 40CrNiMoA.12cr1MoV |
|||
|
1018.1026.8620.4130.4140 |
ASTM A519 |
||
|
S235JRH. S273J0H. S275J2H. S355J0H. S355NLH.S355J2H |
EN10210 |
||
|
A53A.A53B.SA53A.SA53B |
ASTM A53/ASME SA53 |
|
grade |
C |
Si |
Mn |
Mo |
Cr |
V |
|
12Cr1MoV |
0.08~0.15 |
0.17~0.37 |
0.40~0.70 |
0.25~0.35 |
0.90~1.20 |
0.15~0.30 |
|
grade |
Tensile（MPa） |
Yield（MPa） |
Extend（%） |
Section shrinkage （ψ/%） |
Impact （Aku2/J） |
Impact toughness value αkv(J/cm2) |
Hardness（HBS100/3000） |
|
12Cr1MoV |
≥490 |
≥245 |
≤22 |
≥50 |
≥71 |
≥88(9) |
≤179 |