Seamless steel pipe 1)Thickness:4-50mm 2)OD:6-1000mm 3)Application:Chemical Fertilizer Pipe 4)Certification:ISO9001:2000 MaterialCarbon steelOuter diameter6-1000mmWT4-50mmStandardASTM,API 5LWT ScheduleSCH10,SCH20,SCH30,SCH40,SCH60,SCH80,SCH100,SCH120,SCH140,SCH160,STD,XS,XXSProcess TechnicsHot Rolled Certification ISO9001:2000 Package TypeHexangular packing in bundles Trads Terms FOB Payment ...