Wenzhou Longwan Nan Yang Steel Pipe Factory is established in 1997, we specializes in producing steel product, such as stainless seamless pipes/tubes, round bars, welded pipes and special material steel of varied grades according to different standards. We can also produce the specifications according to customers' requirements. Meanwhile, we ecports our products to over thirty countries and regions, including South Africa, Indonesia, Europe and America, etc.

Applications range:
For use in the petroleum, smelting, foodstuff, power, Papermaking, chemical, medical equipment, aviation, boiler heat exchanger, and other fields.

Standards: GB/T14975-2002, GB/T14976-2002, GB13296-91, GB9948-88, ASTM A312, ASTM A213, ASTM A269, ASTM A511.

Material quality;
1Cr25Ni20Si2(31OS) OCrl8Ni9(304)
OOCrl7Nil4Mo2(316L) OCrl8Ni12Mo2Ti(316)
OOCrl9Nil1(304L) 1Crl8Ni9Ti(321)

FINISH CONDITON: Pickling and annealed, and polished at most 600GRIT.