DongGuan RuiYuan Steel Co.Ltd
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Place of Origin: | Zhejiang, China (Mainland) |
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DIN1.7225 / SAE4140 / GB42CrMo, JIS SCM440, Alloy Steel Round Plate
Description:
1.DIN1.7225/SAE4140/GB42CrMo,JIS SCM440 alloy steel plate
2.Hot rolled or forged condition, annealing or harden, black or milled surface
3.Pre-heat treatment:
4.Heat treatment:
5. Hot rolled technology:EAF+LF+VD
Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface
6.Ultrasonic test standard: SPE1921-GR3, CLASS C/C or D/D
7.Production leadtime: 7~10 days
8. Chemical composition:
C |
Mn |
Si |
Cr |
Ni |
Cu |
P |
S |
0.17-0.23 |
0.30-0.60 |
0.15-0.40 |
1.25-1.75 |
3.25-3.75 |
≤0.25 |
≤0.030 |
≤0.030 |
9.Compared grades(based on usage):
Chinese |
American |
German |
Japanese |
GB |
AISI |
DIN |
JIS |
42CrMO4 |
4140 |
1.7225 |
SCM440 |
Applications: