20g高压锅炉管执行标准
GB5310-1995
20G高压锅炉管现货资源：
| 规格 | 数量/T | 规格 | 数量/T |
| 10 x 2 | 3.7 | 168 x 12-25 | 20.52 |
| 12 x 2 | 12.5 | 194 x 8-22 | 32.10 |
| 14 x 2-3 | 4.8 | 219 x 8-20 | 26.31 |
| 16 x 3 | 5.2 | 219 x 22-30 | 28.49 |
| 25 x 2.5-3 | 7.8 | 245 x 10-22 | 31.52 |
| 28 x 2.5-4 | 6.3 | 245 x 25-32 | 20.70 |
| 32 x 3.5-4 | 8.2 | 273 x 10 x 18 | 35.65 |
| 42 x 3.5-6 | 19.7 | 273 x 20-25 | 50.23 |
| 51 x 3.5-6 | 12.48 | 325 x 10-18 | 28.42 |
| 57 x 3.5-8 | 18.23 | 325 x 20-40 | 60.03 |
| 60 x 3.5-8 | 19.27 | 351 x 10-18 | 17.93 |
| 76 x 4.5-12 | 28.42 | 351 x 20-30 | 19.25 |
| 89 x 4.5-14.2 | 16.81 | 377 x 10-16 | 24.82 |
| 108 x 6-14 | 19.14 | 377 x 20-35 | 46.87 |
| 127 x 6-24 | 23.49 | 426 x 12-20 | 60.46 |
| 133 x 8-25 | 20.52 | 426 x 25-40 | 34.42 |
| 159 x 8-28.5 | 23.49 | | |
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