We are a manufactuer and exporter of stainless steel pipes , seamless steel pipes , stainless steel pipe coils , precision steel tubes, cold drawning stainless steel tubes , pressure tubes , structura steel pipes and tubes , used for heat exchanger , high pressure boiler , pressure container , condenser , machinery and so on . Our product range is as follow : Standard specification: Astm a312/a312m, asme sa312/sa312m, din 17458, din17456 Steel grade: Tp304, tp304l, tp304h, tp310, tp310s, tp316, tp316l, tp317, tp317l, tp321, tp321h, tp347, tp347h, tp316ti Surface finish: Unpolished: annealed and pickled finish Polished: #180 finish, #240 finish, #320 finish [the od shall be less than 50.0mm] Outside diameter: 1/4 to 20 or 6.0mm to 530mm Wall thickness: Sch5 to sch80 or 0.8mm to 34.0mm Length: Fixed length: std length 6000mm and 6096mm, or as per customers requirements Unfixed length: 3000mm to 11.8mm Packing: Mills standard seaworthy export packing, by wooden / veneer cases. Or, by bundles for big size unpolished pipes Minimum order quantity: 500kgs per size, total 5000kgs for one shipment