Alloy tool steel and production method thereof
A technology of alloy tool steel and production method, applied in the field of tool steel, can solve the problems of narrow application range, low hardness and reduced toughness, and achieve the effect of wide application range, high hardness and excellent toughness
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[0024] Below in conjunction with embodiment the present invention is further described.
[0025] A kind of alloy tool steel provided by the invention, this steel has following chemical composition and mass percentage:
[0026] C0.5%, Si0.2%, Mn0.5%, Cr5.0%, Mo2.3%, V0.5%, S≤0.003%, P≤0.02%, Fe balance.
[0027] The production method of the alloy tool steel is as follows:
[0028] (1), batching is carried out according to the chemical composition and mass percentage of the above-mentioned tool steel, and then melted and poured into electrode rods in a vacuum induction furnace;
[0029] (2) Using the above-mentioned smelting and pouring electrode rods as consumable electrodes in the process of electroslag remelting, controlling solidification to finally form high-quality uniform steel ingots;
[0030] (3) The remelted steel ingots are rolled or forged into blocks or bars;
[0031] (4), carry out heat treatment to block material or bar material to obtain tool steel;
[0032] ...
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