... Grade:J55,K55,L80 API 5CT Oil Cashing PipeGrade: API 5L : A25,A,B,X42,X46,X52,X56,X60,X65,X70 ... ,X80 API 5CT: J55 K 55 M65 N80 L ... Casing PipeDimensions, Mechanical properties, Chemical compositions:Refer to API 5CT or as per clients requirementskeywords:seamless petroleum casing ... BS, DIN, GB, JISMaterialA25,A,B,X42,X46,X52,X56,X60,X65,X70,X80 H40 J55 K 55M65 N80 ...