Pubblicato哒gestione
presso2017年ottobre 19日
标准:API 5CT: J55, K55, N80, L80, C90, T95, P110, Q125,尺寸V150: 4 1/2″-20″规格:BTC, STC,LTC OCTG无缝套管尺寸能力外径壁厚范围英寸Mm英寸Mm 4-1/2 114.3 .205* 168.28.352 - .525 8.94 - 13.34 7 177,8.272 - .625 6,91 - 15.88 7-5/8 193.68.328 - .750 8,33 - 19.057-3/4 * 196.9 .595- 0.625 15.11 - 15.88 8-5 / 8 *[…]