... GB, ABNTAvailable Size: Engineering steel: size 50×50mm-650×650mm.Tool, die & mold Steel: size 50×50mm-650×650mm (D2 ... steel, die steel, spring steel, carbon tool steel, stainless steel, alloy steel, high speed steel, carbon structural steel, hot-rolled bar, hot ... hot-rolled bar, forged bar, cold-drawn bar, high carbon chromium bearing steel, carburizing bearing steel, direct drawing bearing steel ...