My company specializes in distribution of TISCO, Baosteel, JISCO, Lianzhong, big G and imports of stainless steel cold rolled coil, hot rolled coil, plate, original tablet, checkered, high temperature stainless steel seamless pipe, round bar, angle, etc. materials; Material: 201 202 304 304L 304J1 309S 310S 316L 321 409L 410 410S 420 430 436 439 904L 2205 duplex steel Product Name Specification Model standard name of the standard stainless steel pipe Φ6 ~ 630x 1 ~ 50mm for fluid transport stainless steel pipe GB / T14976-2002 Φ6 ~ 630x 1 ~ 50mm stainless steel tube seamless stainless steel pipe GB/T14975-2002 stainless steel tube Φ6 ~ 630x 1 ~ 50mm boiler, heat exchanger stainless steel tubes GB13296-91 stainless steel welding Φ219 1200x ~~ 20mm fluid transport 304 stainless steel tube 304L stainless steel tube a 309S stainless tube 310S stainless steel tube 316L stainless steel tube with stainless steel tube GB12770-2002 304 stainless steel tube 304L stainless steel tube 309S stainless steel tube 310S stainless steel 316L stainless steel tube 317L stainless steel tube 321 stainless steel 317L stainless steel round 321 stainless steel tube 304 stainless steel tube square tube 304L stainless steel square tube 309S stainless steel tube 310S stainless steel tube 321, 316L stainless steel tube 317L stainless steel tube, stainless steel tube 201 stainless steel angle 202 stainless steel angle iron 304 stainless steel angle 304L stainless steel angle iron official website: http: / / www.wybxg.com