PUBBLICATO DA格斯蒂乙醚
一种奥托贝尔19,2017
标准:GRAVO D'ACCIAIO DI API 5CT:J55,K55,N80,L80,C90,T95,P110,Q125,Diminsee V150:4 1/2“-20”Connessione:BTC,STC,LTC OCTG无缝套管尺寸功能外径外径壁厚范围内英寸MM英寸MM 4-1 / 2 114.3 .205- .500 5.21 - 12.70 5 127.296 - .500 7,52 - 12.70 139,7 5-1 / 2.275 - .687 6,98 - 17.45 6-5 / 8 * 168.28.352 - 。525 8,94 - 13.34 7177,8.272 - .625 6,91 - 15.88 7-5 / 8 193.68.328 - .750 8,33 - 19.057-3 / 4 * 196.9 .595- .625 15.11 - 15.88 8-5 / 8 * [...]