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