Seamless stainless steel tube, high smooth and quality. Can be used in all areas Seamless stainless steel tube, Material:304/304H, 321/321H, 304/304L, 316/316L, 310S, 317/317L, 2205.Standard: ASTM A213, A269, A312, A511, A789, A790 &.OD: 6mm-89mm, Thickness: 0.5mm-12mm, Length: Less than 12 meters. Seamless stainless steel tube