Size(Dia):3.00mm to 500 mm Grade:SS400, SCM415, S355N,1020, 4118,Gr-E, St37-2, 15CrMo5, ... ALLOYSTEELQ345YAW-TEN50Gr-ES355NE355DDBALL BEARINGSTEELGCr15SUJ252100100Cr6(W3)100Cr6GCr15SiMnSUJ3Cr1100CrMnSi6-4(W4)100CrMnSi6-4FREECUTTINGSTEELY15SUM22111915S2012SMn35Y15PbSUM24L12L149SMnPb2812SMnPb35 17-4PH(AISI630) Round Bar