... and competitive price 4,OEM carbon steel pipe sch40 Pipe Type:Seamless Carbon Steel Oil PipeSize:1/2"-24 ... ,API ,ANSI ,GB, SH,HG, MSS,JIS,DINMaterials:Carbon Steel, Alloy Steel, Stainless SteelExport Packing:Wrap with PVC ... acceptable.Application:Petroleum, Smelting, Foodstuff, Power, Papermaking, Chemical, Electrical and Pharmaceutical Medical Equipment, Aviation, Boiler Heat Exchanger , Aerospace, ...