Std Ref.:API 5CT 5B ISO9001,2008 Grade:J55,K55,N80-1,N80-Q,L80,C90,P110 Size:tubing1.9"to4-1/2",from4-1/2"to13-3/8" Tubing CouplingsizeType of TheradO.D*L(mm)Weight(kg)2-7/8"EUE93.17*133.352.403-1/2"NUE107.95*142.883.713-1/2"EUE114.30*146.054.104"NUE120.65*146.054.354"EUE127.00*152.404.824-1/2"NUE132.08*155.584.894-1/2"EUE141.30*158.756.05Casing Coupling6-5/8"LTC187.71*222.2511.346-5/8"BTC187.71* ...