The forming of high strength steel plate needs higher punching and working force. Therefore, the hardness and toughness of cold working die steel are required to be higher. The current performance cha
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1、 The first fire of metal heat treatment annealing:1. Annealing is to heat the workpiece to an appropriate temperature, adopt different holding time according to the material and workpiece size, and
Germany and Japan have taken two completely different routes in die-casting die cooling, and the die-casting materials used are also slightly different. One is the pursuit of stability and reliability
Die steel is used to make cold stamping die, hot forging die and die-casting die. Mould is the main processing tool for manufacturing parts in the industrial departments of machinery manufacturing, ra