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|
標(biāo)準(zhǔn) |
牌號 |
抗拉強度(MPa) |
屈服強度(MPa) |
伸長率(%) |
|
GB 18248 |
37Mn |
≥750 |
≥630 |
≥16 |
|
34Mn2V |
≥745 |
≥530 |
≥16 | |
|
30CrMo |
≥930 |
≥785 |
≥12 | |
|
35CrMo |
≥980 |
≥835 |
≥12 |
|
標(biāo)準(zhǔn) |
牌號 |
化學(xué)成分 | ||||||||
|
C |
Si |
Mn |
P、S |
Cu |
Ni |
Mo |
Cr |
V | ||
|
GB18248 |
37Mn |
0.34-0.40 |
0.10-0.30 |
1.35-1.65 |
≤0.030 |
≤0.20 |
≤0.30 |
/ |
≤0.30 |
/ |
|
34Mn2V |
0.30-0.37 |
0.17-0.37 |
1.40-1.75 |
≤0.030 |
≤0.20 |
≤0.30 |
/ |
≤0.30 |
0.07-0.12 | |
|
30CrMo |
0.26-0.34 |
0.17-0.37 |
0.40-0.70 |
≤0.030 |
≤0.20 |
≤0.30 |
0.15-0.25 |
0.80-1.10 |
/ | |
|
35CrMo |
0.32-0.40 |
0.17-0.37 |
0.40-0.70 |
≤0.030 |
≤0.20 |
≤0.30 |
0.15-0.25 |
0.80-1.10 |
/ | |
|
JIS G3429 |
STH11 |
≤0.50 |
0.10-0.35 |
≤1.80 |
≤0.035 |
/ |
/ |
/ |
/ |
/ |
|
STH12 |
0.30-0.41 |
0.10-0.35 |
1.35-1.70 |
≤0.030 |
/ |
/ |
/ |
/ |
/ | |
|
STH21 |
0.25-0.35 |
0.15-0.35 |
0.40-0.90 |
≤0.030 |
/ |
≤0.25 |
0.15-0.30 |
0.80-1.20 |
/ | |
|
STH22 |
0.33-0.38 |
0.15-0.35 |
0.40-0.90 |
≤0.030 |
/ |
≤0.25 |
0.15-0.30 |
0.80-1.20 |
/ | |
| ||