(1)Standard: API 5CT (2)Size: 2 3/8\"-13 3/8\" (3)Grade: J55,K55,L80,N80.P110 (4Type:STC,LTC,BTC,EUE,NUE surface treatment:coating. Protection of Thread:Thread protector Packing: in bundle,by wooden pallet or by steel strip or by the requirements of customer. Pup Joints are ...
All products will be made according to API and related international standard as per customers\' requirements. Std Ref.:API 5CT and 5B ISO9001,2008 1.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110 2.We also supply permium thread products by customer\'s request 3.Size: tubing ...
Petroleum casing is an important equipment for oil drilling. The thread surface of oil casing and coupling should be smooth. Burrs, tearing and other defects sufficient to cause thread interruption to affect strength and tight connection should not be allowed Company Hebei ...