... /304L316L/410/420/430/201/202/321 2)High-accuracy: dia 0.9-20.0mm 3)Tolerance:h9-h7 4)Normal ... - 410 (1Cr13),420(2Cr13),430(1Cr17) Shape: Round ,Hex square,angle,flat,SquareStandard: ASTM ,EN10272,JIS4303,JIS G-4311,AISI,GBSurface: Brightness ... products .Any question,please feel free contact with me .welcome to visit our factory 304/316/201/202 bright stainless steel round bar