... SCM415, S355N,1020, 4118,Gr-E, St37-2, 15CrMo5,E235B,13CrM04-5,YAW-TEN50, E355DD Thickness ... ,A572 Gr50,St37-2,C45E,S355N,E235B,C45E4,E355DD.round barGRADE STANDARD GRADEGBJISASTMDINISOCARBONSTRUCTURALSTEELQ235SS4001020St37- ... 4(W4)100CrMnSi6-4FREECUTTINGSTEELY15SUM22111915S2012SMn35Y15PbSUM24L12L149SMnPb2812SMnPb35 steel round Bar