... steel bright round bar 2,Grade :201,202,301,304,321,316,316L,309S,310S 3,Specifications:dia4mm-100mm Product DescriptionStainless ... Round Steel , Black Barii. Material Grade: 201, 301, 302, 303, 304, 304L, 316, 316L, 321, 309S, 309H, 310, 310S, 2205, 416, 431 ... turned/peeled ASTM A276 AISI 304 Stainless steel black round bar/steel rods manufacture direct sale (material 201,304,316,304L,316L,321,310S ...