Jun 1, 2013

The extensive use of three types of die steel

Processing mould used, because the mold is of wide application, various working conditions vary widely, so the mold manufacturing, material range is very wide, is the most widely used in mold steel mold material. From the carbon structural steel, like carbon tool steel, alloy structural steel, spring steel, alloy tool steel, high-speed tool steel, heat-resistant stainless steel mold until adapt to the special need of maraging steel and high-speed steel powder, powder of high alloy die steel. Die steel according to use can generally be divided into cold die steel, hot die steel and plastic mould steel three categories.

1. cold work die steel
Cold work die steel is mainly used in the manufacture of mould pressing on the cold condition. Such as: cold punching mould, cold stamping die, drawing die, stamping die, extrusion die, the thread pressing mould and pressing die. Cold work die steel range is very wide, from a variety of carbon tool steel, alloy tool steel, high-speed tool steel, high-speed tool steel to powder and powder of high alloy die steel.

2. hot work die steel
Hot work die steel used for mould manufacturing pressure on the workpiece machining under high temperature. Such as: hot forging die, hot extrusion die, die casting, hot forging die. Common hot die steel are: alloy die steel Cr, W, Mo added, V and other alloy elements in high carbon content; for the special requirements of the hot work die steel, sometimes using austenitic heat resistant mould steel high alloy manufacture.
3. plastic die steel
Because a lot of plastic varieties, there is also a great difference of plastic products of plastic mold manufacturing, the material is also presented for various performance requirements. Therefore, many developed countries have formed a wide range of plastic die steel series. Including carbon structural steel, carburizing, plastic mould steel prehardened plastic mould steel, aging hardening plastic mould steel, corrosion resistant plastic die steel, plastic die steel, easy to cut overall hardened plastic-mould steel, maraging steel and mirror polishing plastic mould steel.

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