304 stainless steel round bar 1. Standard: AISI, ASTM, GB 2. Material: 304, 304L, 201, 316, 316L etc. 3. Diameter: 3~400mm 1. ... , ASTM, GB 2. Material: 304, 304L, 201, 316, 316L etc. 3. Diameter: 3~400mm Stainless Steel Round Bar1. Standard: AISI, ASTM, GB2 ... . Material: 304, 304L, 201, 316, 316L etc.3. Diameter ...