Chemical Composition£¨%£© Standard Steel Grade C Si Mn P S Cr Mo V Cu Ni DIN 1.2379 1.50-1.60 0.10-0.40 0.15-0.45 0.030 0.030 11.00-12.00 0.60-0.80 0.90-1.10 - -¡¡ ASTM D2 1.40-1.60 0.10-0.60 0.20-0.60 0.030 0.030 11.00¡«13.00 0.70¡«1.20 0.50-1.10 ¡Ü0.30 ¡Ü0.25¡¡ GB Cr12Mo1V1 1.40-1.60 ¡Ü0.60 ¡Ü0.60 0.030 0.030 11.50¡«13.00 0.70¡«1.20 0.50-1.10 ¡Ü0.30 ¡Ü0.25¡¡ Specification Round bar Diameter Length - Forged round bar£º¦Õ50~450 2000~6000 - Rolled round bar£º ¦Õ10~80 2000~6000 - Flat bar Thickness(mm) Width(mm) Length(mm) Forged plate£º20~300 50~710 2000~6000 Rolled plate£º 10~65 155~610 2000~6000 Characteristics 1.With good hardenability and abrasion resistance. 2.With high oxidation resistance, good corrosion protection after quenching and polishing and little deformation through heat treatment. Application Used to manufacture different kinds of cold work moulds with high accuracy and long service life, cutting tools and measuring instruments. Such as complex-shaped piercing dies, threading screw plates, cold-extruding dies, cold-cutting scissors, precision measuring tools, etc. Delivery Condition Annealed, hardness¡Ü255HB. According to customer's requirements.