15crmog 高压锅炉管 GB5310-1995 高压锅炉用无缝管
钢管的其他要求应符合GB5310-1995的规定。
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15crmog 高压锅炉管 GB5310-1995 高压锅炉用无缝管的牌号和化学成分
序 号 | 牌号 | 化学成分，% |
C | Si | Mn | P | S | Cu | Ni | Cr | Mo | V |
| As | Sn | As+Sn +Pb+ Sb+Bi |
1 | 20G | 0.17 ~0.23 | 0.17 ~0.37 | 0.35 ~0.65 | ≤ 0.025 | ≤ 0.020 | ≤ 0.20 | ≤ 0.25 | ≤ 0.25 | ≤ 0.15 | ≤ 0.08 | Al(S)≤0.010 | ≤ 0.030 | ≤ 0.020 | ≤ 0.040 |
2 | 20MnG | 0.17 ~0.23 | 0.17 ~0.37 | 0.70 ~1.00 | ≤ 0.025 | ≤ 0.020 | ≤ 0.20 | ≤ 0.25 | ≤ 0.25 | ≤ 0.15 | ≤ 0.08 |
| ≤ 0.030 | ≤ 0.020 | ≤ 0.040 |
3 | 25MnG | 0.22 ~0.28 | 0.17 ~0.37 | 0.70 ~1.00 | ≤ 0.025 | ≤ 0.020 | ≤ 0.20 | ≤ 0.25 | ≤ 0.25 | ≤ 0.15 | ≤ 0.08 |
| ≤ 0.030 | ≤ 0.020 | ≤ 0.040 |
4 | 15MoG | 0.12 ~0.20 | 0.17 ~0.37 | 0.40 ~0.80 | ≤ 0.025 | ≤ 0.020 | ≤ 0.20 | ≤ 0.25 | ≤ 0.25 | 0.25 ~0.35 | ≤ 0.08 |
| ≤ 0.030 | ≤ 0.020 | ≤ 0.040 |
5 | 15CrMoG | 0.12 ~0.18 | 0.17 ~0.37 | 0.40 ~0.70 | ≤ 0.025 | ≤ 0.020 | ≤ 0.20 | ≤ 0.25 | 0.80 ~1.10 | 0.40 ~0.55 | ≤ 0.08 |
| ≤ 0.030 | ≤ 0.020 | ≤ 0.040 |
6
| 12Cr15crmog 高压锅炉管 GB5310-1995 高压锅炉用无缝管2MoG | 0.08 ~0.15 | 0.25 ~0.50 | 0.40 ~0.70 | ≤ 0.025 | ≤ 0.020 | ≤ 0.20 | ≤ 0.25 | 2.00 ~2.50 | 0.90 ~1.20 | ≤ 0.08 |
| ≤ 0.030 | ≤ 0.020 | ≤ 0.040 |
7 | 12Cr1MoVG | 0.08 ~0.15 | 0.17 ~0.37 | 0.40 ~0.70 | ≤ 0.025 | ≤ 0.020 | ≤ 0.20 | ≤ 0.25 | 0.90 ~1.20 | 0.25 ~0.35 | 0.15 ~0.30 |
| ≤ 0.020 | ≤ 0.020 | ≤ 0.040 |
8 | 12Cr2MoWVTiB | 0.08 ~0.15 | 0.45 ~0.75 | 0.45 ~0.65 | ≤ 0.025 | ≤ 0.020 | ≤ 0.20 | ≤ 0.25 | 1.60 ~2.10 | 0.50 ~0.65 | 0.28 ~0.42 | Ti:0.08~0.18 B:0.002~0.008 W:0.30~0.55 0 | ≤ 0.020 | ≤ 0.020 | ≤ 0.040 |
9 | 10Cr9Mo1VNb | 0.08 ~0.12 | 0.20 ~0.50 | 0.30 ~0.60 | ≤ 0.020 | ≤ 0.010 | ≤ 0.20 | ≤ 0.30 | 8.00 ~9.50 | 0.85 ~1.05 | 0.18 ~0.25 | Al≤0.040 Nb:0.06~0.10 N:0.030~0.070 | ≤ 0.020 | ≤ 0.020 | ≤ 0.040 |
