Stainless Steel Round Bar 1. Standard: AISI, ASTM, GB 2. Material: 304, 304L, 201, 316, 316L etc. 3. Diameter: 3~400mm Stainless Steel Round Bar 1.grade: 201 ,202 ,301, ... 302,303,304,304L,310,316,316L,320,321,410,420 ... grade 201,202,301,302,303,304,304L,308,309,310, 310S,316,316L,321,410,etc. applicationwidely used in ...