Product Name: 4Cr3Mo3SiV/ H10/1.2365/round bar/flat bar/hot work tool steel/die steel/mould steel Chemical Composition: Standard Steel Grade C Si Mn P S Cr Mo V W DIN 1.2365 0.28-0.35 0.10-0.40 0.15-0.45 0.030 0.030 2.70-3.20 2.60-3.00 0.40-0.70 - ASTM H10 0.35-0.45 0.80-1.20 0.25-0.70 0.030 0.030 3.00-3.75 2.00-3.00 0.25-0.75 - GB 32CrMoV12-28 0.28-0.35 0.10-0.40 0.15-0.45 0.030 0.030 2.70-3.20 2.50-3.00 0.40-0.70 - Specification: Round bar Diameter Length Forged round bar 50~450 2000~6000 Rolled round bar 10~80 2000~6000 Flat bar Thickness(mm) Width(mm) Length(mm) Forged plate 20~300 50~710 2000~6000 Rolled plate 10~65 155~610 2000~6000 DIN AISI JIS GB 1.2365 H10 - 4Cr3Mo3SiV Steel Properties: Excellent wear resistance and toughness at high temperatures. Good machinability in annealed condition. Good polishability. Good hardenability. Very good dimensional stability. Excellent tempering resistance. Applications: Dies, tools for the production of screws and forging machines, highly stressed extruding tools for light metal processing-mandrels, pressing die cast moulds.