... Bolivia,Indonesia,Russia,South America,ect N80 API oil casing pipe Advantage1. High precision in size and shape2 ... LTC,STC,BTC3) Steel grade: J55, K55, L80, N80, P110 type of oil casing pipe thread 1.OD: ... 3. Material:Carbon Steel Q235 type of casing pipe thread Thickness1.24-60mmOut diameter10.3-1219.2mmLength6000 ... , ASTM, BS, DIN, GB, JISMaterialA25,A,B,X42,X46,X52,X56,X60,X65,X70,X80 H40 ...