Chrome manganese tungsten and molybdenum high alloy wear-resistant cast iron ball and preparation method thereof
A technology of tungsten-molybdenum and alloys, which is applied in the field of chromium-manganese-tungsten-molybdenum high-alloy wear-resistant cast iron balls and its preparation, can solve the problems of insufficient hardenability and toughness, poor wear resistance of the casting core, and early fracture, etc., to achieve The effect of low out-of-round rate and broken rate, reduced power consumption, and simple preparation method
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[0010] The technical scheme of the present invention will be further described below through specific embodiments:
[0011] The invention provides a chromium-manganese-tungsten-molybdenum high-alloy wear-resistant cast iron ball, which contains 18-24% chromium, 1.0-1.2% manganese, 0.2-0.3% tungsten, 0.1-0.3% molybdenum, and The amount of vanadium is 0.1~0.15%, and the rest is iron and impurities.
[0012] The preparation method of the chromium manganese tungsten molybdenum high alloy wear-resistant cast iron ball comprises the following steps:
[0013] S1: Prepare carbon steel, ferrochrome, ferromanganese, ferrotungsten, ferromolybdenum, and ferrovanadium, and add a small amount of rare earth as auxiliary materials, and melt them together in an intermediate frequency electric furnace at 1700 degrees for 15 minutes;
[0014] S2: grinding and polishing the obtained step S1 after casting;
[0015] S3: Quenching the product obtained in step S2 at a high temperature of 980°C for ...
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