42CrMo無(wú)縫鋼管管的牌號(hào)和化學(xué)成分
牌 號(hào) |
化學(xué)成分(質(zhì)量分?jǐn)?shù))(%) |
C |
Si |
Mn |
S |
P |
Cr |
Mo |
10 |
0.07~0.14 |
0.17~0.37 |
0.35~0.65 |
0.040 |
0.035 |
|
|
20G |
0.17~0.24 |
0.17~0.37 |
0.35~0.65 |
0.035 |
0.035 |
|
|
16Mn |
0.12~0.20 |
0.20~0.60 |
1.20~1.60 |
0.040 |
0.040 |
|
|
15MnV |
0.12~0.18 |
0.20~0.60 |
1.20~1.60 |
0.040 |
0.040 |
V.0.04~0.12 |
|
10MoWVNb |
0.07~0.13 |
0.50~0.80 |
0.50~0.80 |
0.030 |
0.040 |
V.0.30~0.50 |
0.60~0.90 |
12CrMo |
0.08~0.15 |
0.17~0.37 |
0.40~0.70 |
0.040 |
0.035 |
0.40~0.70 |
0.40~0.55 |
15CrMo |
0.12~0.18 |
0.17~0.37 |
0.40~0.70 |
0.040 |
0.035 |
0.80~1.10 |
0.40~0.55 |
1Cr5Mo |
≤0.15 |
≤0.50 |
≤0.60 |
0.030 |
0.035 |
4.00~6.00 |
0.40~0.60 |
12Cr2Mo |
0.08~0.15 |
0.40~0.70 |
≤0.50 |
0.035 |
0.035 |
2.00~2.50 |
0.90~1.20 |
注:10MoWVNb鋼的w含量為0.50%一0.90%,Nb含量為0.06%一0.12%。表內(nèi)所有鋼的殘余Cu含量均≤0.25%,允許N含量均≤0.008%。20G為低溫用鋼,根據(jù)用戶(hù)要求,碳含量可為0.17%~0.22%。上述含量皆指質(zhì)量分?jǐn)?shù)。
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