1. material: alloy; 2.Standard: ASME:OD13.7-1219.2mm; TW:sch10,sch30,sch40,std,sch60,xs,sch80,sch100,sch120,sch140,sch160,xs; 1.Certification: ISO,API.CS PIPESTANDARDSTEEL GRADEAPPLICATIONAPPLICATIONJ55,K55,N80,L80,P110Specification for Casing and TubingAPI 5LA,B,X42/X46/X52/X56Specification for Line PipeASTM A53GR.A / GR.BBlack Steel PipeASTM A106GR.A / GR.BSeamless Carbon Steel For High ...