Stainless steel smelting method
A smelting method and stainless steel technology, applied in the field of stainless steel smelting, can solve the problems of performance difference, energy waste, large energy consumption, etc., and achieve the effect of improving ductility and hardness and saving energy.
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[0009] Step 1. After the laterite nickel ore and iron ore are batched, they are smelted in a blast furnace and dephosphorized to generate a chromium-nickel alloy melt, so that the content of the chromium-nickel alloy pig iron liquid is 0.2% by mass and 0.1% silicon. %, phosphorus content ≤ 0.015%, chromium ≈ 1%, nickel ≈ 10.3%, and the rest are iron and inseparable impurities. Keep the temperature so that the temperature of the chromium-nickel alloy pig iron liquid is 50-100 higher than the melting point of the chromium-nickel alloy pig iron liquid Celsius;
[0010] Step 2: Melt high-carbon ferrochrome in an intermediate frequency furnace to generate high-carbon ferrochromium liquid, so that the high-carbon ferrochrome liquid contains carbon ≈ 8%, silicon ≈ 1.5%, phosphorus content ≤ 0.015%, and chromium ≈ 58% according to the mass percentage content , the rest are iron and inseparable impurities, and the temperature is maintained so that the temperature of the high-carbon fer...
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