... ),420(2Cr13),430(1Cr17)Etc.Shape: Round ,Hex square,angle,flat,SquareStandard: ASTM ,EN10272,JIS4303,JIS G-4311,AISI,GBSurface ... ,it is form 50mm~8000mmDiameter Size:Hot rolled round bar,it is from 5.5mm~ 100mmCold forged round ... bar, It is from 100mm~260mmGrinding bar, It is from 3.0mm~160mmCold drawn ... in your market .Welcom to visit our factory stainless steel bar