... OD:6-760mm WT:1-30mm 2.Standard:API 5CT 3.Seamless Petroleum Casing Pipe 3.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 80 C ... PipeDimensions, Mechanical properties, Chemical compositions:Refer to API 5CT or as per clients requirementskeywords:seamless petroleum casing ,petrolem ...