Nickel base mould material for hot extrusion of nonferrous metal and manufacturing method thereof
A mold material, non-ferrous metal technology, applied in metal rolling and other directions, can solve the problems of reducing production cost, poor high temperature performance, easy cracking and failure, etc., to achieve the effect of reducing production cost, low manufacturing cost and improving service life
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Embodiment 1
[0028] This embodiment provides a nickel-based die material for hot extrusion of non-ferrous metals. The nickel-based die material is based on nickel, and molybdenum and tungsten with good high-temperature hardness and wear resistance are added to the nickel base material. Aluminum and titanium can precipitate strengthening phases during heat treatment to increase high temperature strength and hardness. The total weight of the nickel-based mold material is 100%, then the mold material specifically includes by weight percentage:
[0029] Carbon C 0.03~0.08%, Chromium Cr 15~20%, Cobalt Co 2~5%, Tungsten W 3~6%, Molybdenum Mo 9~12%, Aluminum Al 1~2%, Titanium Ti 2~4%, Iron Fe 10-15%, trace element magnesium Mg 0.01-0.015% and zirconium Zr 0.02-0.06%, the rest is nickel Ni, of which nickel Ni is used as the matrix; in practice, sulfur S, phosphorus P or One or more types of boron B are added in the following amounts: sulfur S 0.001-0.015%, phosphorus P 0.005-0.015% or boron B 0.0...
Embodiment 2
[0045] This embodiment provides a nickel-based die material for hot extrusion of nonferrous metals, which can be used to prepare dies for hot extrusion of nonferrous metals. The total weight of the die material is 100%, and the die material includes: carbon C 0.05%, chromium C 17.0%, cobalt Co 4.0%, tungsten W 4.0%, molybdenum Mo 10.0%, aluminum Al 1.5%, titanium Ti 3.0%, iron Fe 13.0%, trace element magnesium Mg 0.013%, zirconium Zr 0.04% , the remaining part is nickel Ni, wherein nickel Ni is used as the matrix of the mold material.
[0046] The above-mentioned nickel-based mold material preparation method (heat treatment process) for non-ferrous metal hot extrusion is carried out according to the following steps:
[0047] (1) The above-mentioned nickel-based die materials for hot extrusion of non-ferrous metals are smelted by vacuum induction + vacuum self-consumption and then hot-rolled into Φ70mm bars.
[0048] (2) Solution treatment: heat the hot-rolled bar to 1060-1090...
Embodiment 3
[0053] This embodiment provides a nickel-based mold material for hot extrusion of nonferrous metals, which can be used to prepare a mold for hot extrusion of nonferrous metals. The total weight of the mold material is 100%, and the mold material includes by weight percentage: Carbon C 0.04%, Chromium Cr 17.0%, Cobalt Co 4.0%, Tungsten W 4.0%, Molybdenum Mo10.0%, Aluminum Al 1.2%, Titanium Ti 3%, Iron Fe 12.0%, Phosphorus P 0.008%, Trace Element Magnesium Mg0 .013%, zirconium Zr 0.04%, boron B 0.005%, and the rest is nickel Ni, wherein nickel Ni is used as the matrix.
[0054] The heat treatment process of the above-mentioned nickel-based mold material for hot extrusion of non-ferrous metals is carried out according to the following steps:
[0055] (1) The above-mentioned nickel-based mold material for hot extrusion of non-ferrous metals is smelted by vacuum induction + vacuum self-consumption and then hot-rolled into a bar of Φ70mm;
[0056] (2) Solution treatment: heat the h...
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