... 3.Surface:Bright, black. Commodity DescriptionStainless Steel Bar 1.Diameter: 6~500mm2.Shape:Round, hexangular,square3.Standard: ASTM,AISI,JIS,GB ... 316L,321,309S,310S,904L, TP3475.Surface: 2B, BA, 8K,No.16.Technique: Cold/Hot Rolled7.Certification: ISO8.Packing: Standard export ... .3.High production ability.4.Reasonable price.5.Excellent quality.6.Various size.11.Main Market:North America, South America, ...