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|
钢类 |
牌 号 |
化学成分(质量分数)(％) | ||||||||
|
C |
Mn |
Si |
Cr |
Mo |
Ni |
Nb+Ta |
S |
P | ||
|
≤ | ||||||||||
|
优质
碳素钢 |
10 |
0.07-0.14 |
0.35-0.65 |
0.17-0.37 |
≤0.15 |
|
≤0.25 |
|
0.035 |
0.035 |
|
20 |
0.17-0.24 |
0.35-0.65 |
0.17-0.37 |
≤0.15 |
|
≤0.25 |
|
0.035 |
0.035 | |
|
合金钢 |
12QMo |
0.08-0.15 |
0.40-0.70 |
0.17-0.37 |
0.40-0.70 |
0.40-0.55 |
≤0.30 |
|
0.035 |
0.035 |
|
15CrMo |
0.12-0.18 |
0.40-0.70 |
0.17-0.37 |
0.80-1.10 |
0.40-0.55 |
≤0.30 |
|
0.035 |
0.035 | |
|
耐热钢 |
1Cr2Mo |
≤0.15 |
0.30-0.60 |
0.50-1.00 |
2.15-2.85 |
0.45-0.65 |
|
|
0.030 |
0.035 |
|
1Cr5Mo |
≤0.15 |
≤0.60 |
≤0.50 |
4.00-6.00 |
0.45-0.60 |
≤0.60 |
|
0.030 |
0.035 | |
|
不锈钢 |
1Cr19Ni9 |
0.04-0.10 |
≤2.00 |
≤1.00 |
18.00-20.00 |
|
8.00-11.00 |
|
0.030 |
0.035 |
|
1Cr19Ni11Nb |
0.04-0.10 |
≤2.00 |
≤1.00 |
17.00-20.00 |
|
9.00-13.00 |
≤8C-1.00％ |
0.030 |
0.035 | |