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高压锅炉管常用牌号及化学成分,力学性能(全)
天津市豪骏钢铁贸易有限公司供应Q345D钢管,Q345D无缝管,Q345D无缝钢管
高压锅炉管常用牌号及化学成分,力学性能(全)
表3 钢的牌号和化学成分
钢类 |
序号 |
牌 号 |
化学成分(质量分数),% |
C |
Si |
Mn |
Cr |
Mo |
V |
Ti |
B |
Ni |
Altot |
Cu |
Nb |
N |
W |
P |
S |
不大于 |
优质
碳素
结
构
钢 |
1 |
12G(牌号成分暂定) |
0.06~0.18 |
≤0.25 |
0.27~0.63 |
≤0.25 |
≤0.15 |
≤0.08 |
— |
— |
≤0.25 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
2 |
20G |
0.17~0.23 |
0.17~0.37 |
0.35~0.65 |
≤0.25 |
≤0.15 |
≤0.08 |
— |
— |
≤0.25 |
≤0.015 |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
3 |
20MnG |
0.17~0.23 |
0.17~0.37 |
0.70~1.00 |
≤0.25 |
≤0.15 |
≤0.08 |
— |
— |
≤0.25 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
4 |
25MnG |
0.22~0.29 |
0.17~0.37 |
0.70~1.00 |
≤0.25 |
≤0.15 |
≤0.08 |
— |
— |
≤0.25 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
合金
结
构
钢 |
5 |
15MoG |
0.12~0.20 |
0.17~0.37 |
0.40~0.80 |
≤0.30 |
0.25~0.35 |
— |
— |
— |
≤0.30 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
6 |
20MoG |
0.15~0.25 |
0.17~0.37 |
0.40~0.80 |
≤0.30 |
0.44~0.65 |
— |
— |
— |
≤0.30 |
— |
≤0.20 |
— |
|
— |
0.025 |
0.020 |
7 |
12CrMoG |
0.08~0.15 |
0.17~0.37 |
0.40~0.70 |
0.40~0.70 |
0.40~0.55 |
— |
— |
— |
≤0.30 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
8 |
15CrMoG |
0.12~0.18 |
0.17~0.37 |
0.40~0.70 |
0.80~1.10 |
0.40~0.55 |
— |
— |
— |
≤0.30 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
9 |
12Cr2MoG |
0.08~0.15 |
≤0.50 |
0.40~0.70 |
2.00~2.50 |
0.90~1.20 |
— |
— |
— |
≤0.30 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
10 |
12Cr1MoVG |
0.08~0.15 |
0.17~0.37 |
0.40~0.70 |
0.90~1.20 |
0.25~0.35 |
0.15~0.30 |
— |
— |
≤0.30 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
11 |
12Cr2MoWVTiB |
0.08~0.15 |
0.45~0.75 |
0.45~0.65 |
1.60~2.10 |
0.50~0.65 |
0.28~0.42 |
0.08~0.18 |
0.0020~0.0080 |
≤0.30 |
— |
≤0.20 |
— |
— |
0.30~0.55 |
0.025 |
0.020 |
12 |
07Cr2MoW2VNbB |
0.04~0.10 |
≤0.50 |
0.10~0.60 |
1.90~2.60 |
0.05~0.30 |
0.20~0.30 |
— |
0.0005~0.0060 |
≤0.30 |
— |
≤0.20 |
0.02~0.08 |
≤0.030 |
1.45~1.75 |
0.025 |
0.010 |
13 |
08Cr2Mo1W2VTiB |
0.05~0.10 |
0.15~0.45 |
0.30~0.70 |
2.20~2.60 |
0.90~1.10 |
0.20~0.30 |
0.06~0.10 |
0.0015~0.0070 |
≤0.30 |
≤0.02O |
≤0.20 |
— |
≤0.012 |
1.45~1.75 |
0.020 |
0.010 |
14 |
12Cr3MoVSiTiB |
0.09~0.15 |
0.60~0.90 |
0.50~0.80 |
2.50~3.00 |
1.00~1.20 |
0.25~0.35 |
0.22~0.38 |
0.0050~0.0110 |
≤0.30 |
— |
≤0.20 |
— |
— |
— |
0.025 |
0.020 |
表3(续)
钢类 |
序号 |
牌 号 |
化学成分(质量分数),% |
C |
Si |
Mn |
Cr |
Mo |
V |
Ti |
B |
Ni |
Altot |
Cu |
Nb |
N |
W |
P |
S |
不大于 |
合金
结构钢 |
15 |
09Ni1MnMoNbCu |
≤0.17 |
0.25~0.50 |
0.80~1.20 |
≤0.30 |
0.25~0.50 |
— |
— |
— |
1.00~1.30 |
≤0.050 |
0.50~0.80 |
0.015~0.045 |
≤0.020 |
— |
0.025 |
0.020 |
16 |
10Cr9Mo1VNbN |
0.07~0.14 |
0.20~0.50 |
0.30~0.60 |
8.O0~9.50 |
0.85~1.05 |
0.18~0.25 |
— |
— |
≤0.40 |
≤0.04O |
≤0.20 |
0.06~0.10 |
0.030~0.070 |
— |
0.020 |
0.010 |
17 |
10Cr9MoW2VNbBN |
0.07~0.13 |
≤0.50 |
0.30~0.60 |
8.50~9.50 |
0.30~0.60 |
0.15~0.25 |
— |
0.0010~0.0060 |
≤0.40 |
≤0.04O |
≤0.20 |
0.04~0.09 |
0.030~0.070 |
1.50~2.00 |
0.020 |
0.010 |
18 |
10Cr11MoW2VNbCu1BN |
0.07~0.14 |
≤0.50 |
≤0.70 |
10.00~12.50 |
0.25~0.60 |
0.15~0.30 |
— |
0.0005~0.0050 |
≤0.50 |
≤0.04O |
0.30~1.70 |
0.04~0.10 |
0.040~0.100 |
1.50~2.50 |
0.020 |
0.010 |
19 |
11Cr9Mo1W1VNbBN |
0.09~0.13 |
0.10~0.50 |
0.30~0.60 |
8.50~9.50 |
0.90~1.10 |
0.18~0.25 |
— |
0.0003~0.0060 |
≤0.40 |
≤0.04O |
≤0.20 |
0.06~0.10 |
0.040~0.090 |
0.90~1.10 |
0.020 |
0.010 |
不锈
)
耐热
(
钢 |
20 |
15Cr18Ni9 |
≤0.15 |
≤1.00 |
≤2.00 |
17.00~19.00 |
— |
— |
— |
|
8.00~10.00 |
— |
— |
— |
≤0.01 |
— |
0.030 |
0.015 |
21 |
10Cr18Ni9NbCu3BN |
0.07~0.13 |
≤0.30 |
≤0.50 |
17.00~19.00 |
— |
— |
— |
0.0010~0.0100 |
7.50~10.50 |
0.003~0.030 |
2.50~3.50 |
0.20~0.60 |
0.050~0.120 |
— |
0.030 |
0.015 |
22 |
07Cr25Ni21NbN |
0.04~0.10 |
≤1.00 |
≤2.00 |
24.00~26.00 |
— |
— |
— |
|
19.00~22.00 |
— |
— |
0.20~0.60 |
0.15~0.35 |
— |
0.030 |
0.015 |
23 |
08Cr18Ni11Nb |
≤0.08 |
≤1.00 |
≤2.00 |
17.00~19.00 |
— |
— |
— |
— |
9.00~12.00 |
— |
— |
10C~1.10 |
— |
— |
0.030 |
0.015 |
24 |
07Cr18Ni11Nb |
0.04~0.10 |
≤1.00 |
≤2.00 |
17.00~19.00 |
— |
— |
— |
— |
9.00~12.00 |
— |
— |
8C~1.10 |
— |
— |
0.030 |
0.015 |
25 |
08Cr18Ni11NbFG |
0.06~0.10 |
≤1.00 |
≤2.00 |
17.00~19.00 |
— |
— |
— |
— |
9.00~12.00 |
— |
— |
8C~1.10 |
— |
— |
0.030 |
0.015 | |
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