Process for producing chromium alloy cast steel shots
A production process and technology for casting steel shot, applied in the field of metal particle production process, can solve the problems of poor surface finish of steel shot, high melting point of Cr, poor fluidity, etc., and achieve guaranteed speed, strong hardenability and good wear resistance. Effect
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[0012] 1. Put 900 kilograms of GCr15 bearing steel corner scraps into a 1.5 ton intermediate frequency furnace, and then add 600 kilograms of low carbon steel, heat it to 1680-1700℃ for smelting, and add 15 kilograms of manganese 10-5 minutes before the furnace is melted. , Then add 15 kg of silicon, take it out of the furnace, pour it into the tundish, transport it to the pouring machine by crane, pour the molten steel into the pouring machine, and form it by centrifugal casting to obtain steel shots of different sizes.
[0013] 2. After smelting and pouring the steel shot out of the pool, it is placed in a heating furnace at a temperature of 400-500°C to be dried to remove moisture.
[0014] 3. Put the dried steel shot into a six-layer vibrating screen for vibrating screening, and roughly divide it into 0.1-0.8 for one type, 0.8-1.4 for one type, 1.4-2.0 for one type, and 2.0-2.8 for one type.
[0015] 4. Put the coarsely divided steel shot into the tempering device, the tempering ...
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