... ,302,303,304,304L,308,309,310,310S,316,316L,321,410,420,430,etc.2.diameter:3mm-400mm.3.surface ... ,302,303,304,304l,308,309,310,310S,316,316L,321,410,420,etc. applicationwidely used in the areas as ss ... we can build good & long cooperation stainless steel 304 316 321 angle