Welded stainless steel tube Material grade 304, 304l, 316 , 316l, 321, 310s, 904l, 2205 and so on. Standard Astm a312, a554, a249, a269 and a270, ect Din 17456-85 , din 17458-85, din 17459-92, ect Jis g3446-1994, jis g3448-1997, jis g3459-1997, jis g3463-1994, ect Gb13296-1991, gb14975-2002, gb14976-2002, ect Outer diameter 13.7-2000mm Thickness 0.5-50mm Length 1m -12m or as customers' request Polish 180g, 320g, 400g satin / hairline 400g, 500g, 600g or 800g mirror finish TestEddy current inspection, ultrasonic inspection, x-ray inspection, real-time imaging, hydrostatic test, spectral analysis, intergranular corrosion, water pressure test, and mechanical property testing facilities. Capacity1000 ton per month Certificate Iso, sgs, and third part inspection ApplicationsThe products are widely used in chemical industry, petrochemical industry, paper making, wine making, gas, steam running water, sewage disposal, condenser pipe, heat exchanger, petroleum, shipping military, environment protection, high temperature resistant, low temperature resistant, corrosion resistant and so on. 1) wooden-box package. 2) the wooden frame packing. 3) intertexture cloth packaging with the iron sheet bonding and the two terminals covered with plastic dome.