... + Heat Treatment Commodity: Forged Steel Square BarSteel Grade: SAE 4140,4340,1045,8620,8640,1020,4320,52100,5135 AISI H11,H10 ... rod, forged steel, cold-drawn bar, hot-rolled wire rod, hot-rolled bar, forged bar, cold-drawn bar, high carbon chromium bearing steel, ... carburizing bearing steel, direct drawing bearing steel, steel bar, steel rod, stainless steel.The product one hand are applied ...