... Stainless Steel Round Bar 1.Standard:AISI,ASTM,GB,JIS 2.Grade:200,300,400 series 3.Diameter:6-360mm Stainless ... ,310SStainless Steel Round Bar1) Diameter: from 3 mm to 240mm2) Main Material: Grade : 321, 304, 304L, 316, 316L, 317, 317,310S3 ... ) Main Standards: ASTMA312,ASTMA213,GB/T14975-2002,GB/T14976- 2002,GB/ ...