Cold work tool steel AISI A8, alloy steel DIN 1.2631 Grade:GB 5Cr8Mo2VSi/AISI A8/DIN 1.2631 1. Chemical Composition(%) C Si Mn P S Cr Mo 0.5-0.6 0.75-1.10 0.2-0.50 â?¤0.03 â?¤0.03 4.75-5.5 1.15-1.65 2. Melting Process : (1) EAF: Electric Furnace+LF+VD(Optional) (2) ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional) 3. Application: (1) Precision stamping mould The precision punching of wire cutting processing, stamping mould for various uses. (2) Plastic deformation tools of difficult-to-machine materials Cold forging,deep draw and dental twist mould (3) Others High-speed punching punch,stainless steel punch. 4. Size : Round: diameter 13-130mm or customized Block: 20mm-65mm Flat: 20-400mm*205-2000mm Length: according to customer's requirements 5. Delivery condition : Based on customer's needs, steel plate can be delivered in hot rolled, controlled rolling,normalized, annealing , tempered , normalized and tempered, tempering state etc. 6.Note: we can produce special specification products as per customers requirement.