Widely used to manufacture outdoor equipment building materials, heat-resistant parts and parts that are difficult to make heat treatment for chemical, coal and petroleum industries that have high requirements for their intergranular corrosion resistant proper ties Packing: Bundle, seaworthy wooden case Specification: (6-580)*(1-30)*(3000-12000)mm We also can supply special specification through The negotiation Main material: 304, 304L, 321, 316, 316L, 317, 310S and so on Standard of stainless steel seamless tubes: ASTMA269, ASTMA312, ASTMA511, ASTMA213/A213M, ASTMA312/A312M JIS3446, JIS3448, JIS3459, JISG3463, DIN2462 ISO9001: 2000Certifacation