... ,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 ... the fixed 5.8m or 11.8m length. stainless steel pipe