... :bright,black.. 3)Material:301,304,309s,310s,316,316L,321,etc 316l stainless steel hexagonal bar1. Material grade: AISI201, Y201 Cu,202 AISI ... 303, 304, 304l, 310, 310S, 316, 316L, 317,321 AISI410, 420 ... , etc.5. Deliverty time: prompt, 10-40 days aisi 316 stainless steel hexagonal bars