... .Standard:API 5CT 3.Seamless Petroleum Casing Pipe 3.Grade:J55,K55,L80 API 5CT Oil Cashing PipeGrade: API 5L : ... Casing Pipe Thickness1.24-60mmOut diameter10.3-1219.2mmLength6000-12000mmStandardAISI, ASTM, BS, DIN, GB, JISMaterialA25,A,B,X42,X46,X52,X56 ... ,X60,X65,X70,X80 H40 J55 K 55M65 N80 L 80 C 90 T 95 P110 ... B,X42,X46,X52,X56,X60,X65,X70,X80 H40 J55 K 55M65 N80 L 80 C 90 T 95 P110 ...