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| Tolerance of Outside Diameter and Wall Thickness of SSAW Steel Pipe 螺旋埋弧焊管外径和壁厚公差 | ||||||
| Standard 标准 | Tolerance of Pipe Body 管体公差 | Tolerance of Pipe End 管端公差 | Tolerance of Wall Thickness 壁厚公差 | |||
| Out Diameter 外径 | Tolerance 公差 | Out Diameter 外径 | Tolerance 公差 | |||
| API 5L PSL1/PSL2 | OD<60.3 | -0.8mm～+0.4mm | OD≤168.3 | -0.4mm～+1.6mm | WT≤5.0 | ≤±0.5 |
| 60.3≤OD≤168.3 | ≤±0.75% | 168.3 ≤610 | ≤±1.6mm | 5 | ≤±0.1T | |
| 168.3 ≤610 | ≤±0.75% | 610 ≤1422 | ≤±1.6mm | T≥15.0 | ≤±1.5 | |
| 610 ≤1422 | ≤±4.0mm | OD>1422 | – | – | – | |
| OD>1422 | – | – | – | – | – | |
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