carbon steel pipe 1.we produce seamless steel pipe 2.size:48-219*4.5-45mm 3.ISO 9000 approved seamless steel pipeMaterial J55 K55 N80 L80 P110.etcStandard ASTM JISUsage conveying oil gas ,oil pipe line,pipe material collar,oil nature gas,Packing wooden cases or wooden pallet ,export standard packageOthers:Special design available according to requirementAnti-corrosion available and high ...