1.Manufactur supply directly! 2.12 years of rich indurstrial experience 3.reasonable price 4.kind & considerable servicce Grade:200Series - 201,202,204,205300Series - 301,302,303,304,304L,304H,316,316L,309S,310S, 321,400Series - 410 (1Cr13),420(2Cr13),430(1Cr17)Etc.Shape: Round ,Hex square,angle,flat,SquareStandard: ASTM ,EN10272,JIS4303,JIS G-4311,AISI,GBSurface: Brightness,Polished,Turn smooth( ...