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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~
O.14 |
O.35~
0.65 |
O.17~
0.37 |
≤0.15 |
|
≤0.25 |
|
O.035 |
0.035 |
20 |
O.17~
0.24 |
O.35~
0.65 |
O.17~
0.37 |
≤O.15 |
|
≤O.25 |
|
0.035 |
O.035 | |
合金钢 |
12QM0 |
0.08~
0.15 |
0.40~
O.70 |
O.17~
O.37 |
0.40~
O.70 |
0.40~
O.55 |
≤O.30 |
|
O.035 |
0.035 |
15CrM0 |
O.12~
0.18 |
0.40~
O.70 |
0.17~
0.37 |
O.80~
1.10 |
O.40~
O.55 |
≤0.30 |
|
O.035 |
0.035 | |
耐热钢 |
1Cr2M0 |
≤0.15 |
O.30~
O.60 |
0.50~
1.00 |
2.15~
2.85 |
O.45~
0.65 |
|
|
0.030 |
O.035 |
1Cr5M0 |
≤O.15 |
≤0.60 |
≤0.50 |
4.oo~
6.00 |
O.45~
0.60 |
≤O.60 |
|
O.030 |
0.035 | |
1Crl9Ni9 |
O.04
~
0.10 |
≤2.00 |
≤1.00 |
18.00
20.00 |
|
8.00~11.00 |
|
0.030 |
0.035 | |
1Crl9NillNb |
O.04
~O.10 |
≤2.00 |
≤1.00 |
17.00
20.oo |
|
9.00~
13.00 |
≤8C%
1.00% |
0.030 |
0.035 |
|