মান:API 5CT钢级: J55, K55, N80, L80, C90T95,P110,Q125,V150外形尺寸: 4 1/2“-20”সংযোগ:বিটিসি,失学,LTC无缝油井管套管尺寸性能外径壁厚范围英寸毫米英寸毫米4-1 / 2 114.3 .205- 0.500 5.21 - 12.705 127 0.296- 0.500 7.52 - 12.70139.7半.275- 0.687 6.98 - 17.456-5/8 * 168.28 .352- .525 8.94 - 13.347 177.8 .272- .625 6.91 - 15.887-5 / 8 193.68 0.328- 0.750 8.33 - 19.057-3/4 * 196.9 .595- .625 15.11 - 15.88 8-5 / 8 * [...]