stainless steel bar Shape:Round Surface:Bright,black Standard:ASTM,GB,AISI,JIS ETC. Grade:200series,300series,400series stainless steel bar stainless steel bar Instruction:Shape:Round /square/flat/ angle/hexagonalSurface:Bright,blackFinish: Cold Drawn & PolishingStandard:ASTM,GB,AISI,JIS ETC.Grade:200series,300series,400seriesSize: 5mm - 50mm MaterialGrade:201,202,301,302,303,304,304L,310,316, ...