... BarSteel Grade: SAE 4140,4340,1045,8620,8640,1020,4320,52100,5135 AISI H11,H10,H13,D2,D6,O1,A2,S1 ... steel, hot-rolled bar, hot-rolled wire rod, forged steel, cold-drawn bar, hot-rolled wire rod, hot-rolled bar, forged bar ... steel H13 SAE 4140,4340,1045,8620,8640,1020,4320,52100,5135