1.size:108mmX4mm,159x5mm,630mmX8mm,720mmX8mm,920mmX10mm; 2. ISO, API Certification;3. per piece: about 98.50$ 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 Temperature ServiceASTM A179LOW CARBON ...