... ,X46,X52,X56,X60,X65,X70,X80 API 5CT: J55 K 55 M65 N80 L 80 C 90 T 95 P110 ... , Chemical compositions:Refer to API 5CT or as per clients requirementskeywords:seamless petroleum casing ,petrolem casing pipe,casing pipe Oil Casing Pipe Thickness1.24-60mmOut diameter10.3 ... ,X56,X60,X65,X70,X80 H40 J55 K 55M65 N80 L 80 C 90 T 95 P110 Q125 CS ... ,X56,X60,X65,X70,X80 H40 J55 K 55M65 N80 L 80 C 90 T 95 P110 Q125 CS ...