直缝钢管 |
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规格型号（219-508mm） |
执行标准APIspec5LGB/T9711.1-1997 |
| Ф219.1×6.4,7.0,7.9,8.2,8.7,9.5,11.1 |
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| Ф273.1×6.4,7.1,7.8,8.7,9.3,11.1,12.7 |
| Ф323.9×7.1,7.9,8.4,8.7,9.5,10.3,11.1,12.7 |
| Ф355.6×7.9,8.7,9.5,10.3,11.1,11.9,12.7,14.3 |
| Ф406.4×7.9,8.7,9.5,10.3,11.1,11.9,12.7,14.3 |
| Ф457×7.9,8.7,9.5,10.3,11.1,11.9,12.7,14.3 |
| Ф508.0×7.9,8.7,9.5,10.3,11.1,11.9,12.7,14.3 |
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