... -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 ... compositions:Refer to API 5CT or as per clients requirementskeywords:seamless petroleum casing ,petrolem casing pipe,casing pipe Oil Casing Pipe Thickness1.24-60mmOut ...