... 500 mm Grade:SS400, SCM415, S355N,1020, 4118,Gr-E, St37-2, 15CrMo5,E235B,13CrM04-5,YAW-TEN50, E355DD Thickness: ... SS400, S45C,YAW-TEN50,A36,1045,A572 Gr50,St37-2,C45E,S355N,E235B,C45E4,E355DD.round barGRADE STANDARD GRADEGBJISASTMDINISOCARBONSTRUCTURALSTEELQ235SS4001020St37- ...