标准 |
牌号 |
力学性能 | |||||||||||||
抗拉强度(MPa) |
屈服强度(MPa) |
伸长率(%) |
冲击功(J) | ||||||||||||
GB5310 |
15CrMoG |
440-640 |
≥235 |
≥21 |
≥35 | ||||||||||
12Cr2MoG |
450-600 |
≥280 |
≥20 |
≥35 | |||||||||||
12Cr1MoVG |
470-640 |
≥255 |
≥21 |
≥35 | |||||||||||
标准 |
牌号 |
化学成分(%) | |||||||||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
Al |
W |
Nb |
N | ||
GB5310 |
15CrMoG |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
≤0.030 |
≤0.030 |
0.80-1.10 |
0.40-0.55 |
≤0.20 |
≤0.30 |
|
|
|
|
|
12Cr2MoG |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
≤0.030 |
≤0.030 |
2.00-2.50 |
0.90-1.20 |
≤0.20 |
≤0.30 |
|
|
|
|
| |
12Cr1MoVG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
≤0.030 |
≤0.030 |
0.90-1.20 |
0.25-0.35 |
≤0.20 |
≤0.30 |
0.15-0.30 |
|
|
|
|