Standard标准 | Tolerance of Pipe Body管体公差 | |
Out Diameter外径 | Tolerance公差 | |
GB/T3091 | OD≤48.3mm | ≤±0.5 |
48.3 ≤219mm | ≤±1.0% | |
219 ≤508mm | ≤±0.75% | |
OD>508mm | ≤±1.0% | |
GB/T9711.1 | OD≤48.3mm | -0.79～+0.41 |
60.3 ≤457mm | ≤±0.75% | |
508 ≤941mm | ≤±1.0% | |
OD>941mm | ≤±1.0% | |
GB/T9711.2 | 60 ≤610mm | ±0.75%D～±3mm |
610 ≤1430mm | ±0.5%D～±4mm | |
OD>1430mm | – | |
SY/T5037 | OD<508mm | ≤±0.75% |
OD≥508mm | ≤±1.00% | |
API 5L PSL1 | OD<60.3 | -0.8mm～+0.4mm |
60.3≤OD≤168.3 | ≤±0.75% | |
168.3 ≤610 | ≤±0.75% | |
610 ≤1422 | ≤±4.0mm | |
OD>1422 | – | |
API 5CT | OD<114.3 | ≤±0.79mm |
OD≥114.3 | -0.5%～1.0% | |
ASTM A53 | ≤±1.0% | |
ASTM A252 | ≤±1.0% | |