Preparation method of cast steel perforator top tip with high-temperature resistance and corrosion resistance
A technology of piercing machine and high temperature resistance, which is applied in metal rolling, manufacturing tools, metal rolling, etc. It can solve the problems of restricting the development of seamless steel pipes and failing to effectively improve the service life of piercing plugs, so as to improve the performance of plugs, The effect of simplifying the production process and improving the quality of molten steel
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Embodiment 1
[0013]The cast steel plug is smelted in a 1000 kg medium frequency induction furnace, and the specific process is as follows:
[0014] First smelt the cast steel plug material in the electric furnace, its chemical composition and mass fraction are: 0.19%C, 1.78%Cr, 0.09%N, 0.86%Mo, 0.57%Si, 0.59%Mn, 1.37%Ni, 0.027%S, 0.031%P, the balance is Fe. When the temperature of the above-mentioned molten metal reaches 1652°C, the molten steel comes out of the furnace and enters the ladle. After all the molten steel enters the ladle, the diameter The alloy wire enters the ladle through the wire feeder. The mass fraction of the alloy wire added is 2.5% of the total mass of molten steel in the ladle. The chemical composition and mass fraction of the alloy wire are: 6.16%Ca, 7.83%Ba, 3.15%Ce, 1.94% Mg, 15.26% Fe, 3.20% Ti, 7.88% V, 12.01% Si, the balance is Al and unavoidable trace impurities. When the temperature of the molten steel drops to 1494°C, the molten steel is poured into the m...
Embodiment 2
[0016] The cast steel plug is smelted in a 1000 kg medium frequency induction furnace, and the specific process is as follows:
[0017] First smelt the cast steel plug material in the electric furnace, its chemical composition and mass fraction are: 0.28%C, 1.56%Cr, 0.12%N, 1.14%Mo, 0.78%Si, 0.36%Mn, 1.18%Ni, 0.028%S, 0.035%P, the balance is Fe. When the temperature of the above-mentioned molten metal reaches 1679°C, the molten steel comes out of the furnace and enters the ladle. After all the molten steel enters the ladle, the diameter The alloy wire enters the ladle through the wire feeder. The mass fraction of the alloy wire added is 3.5% of the total mass of molten steel in the ladle. The chemical composition and mass fraction of the alloy wire are: 7.05%Ca, 6.90%Ba, 4.07%Ce, 1.82% Mg, 16.59% Fe, 3.96% Ti, 6.72% V, 14.02% Si, the balance is Al and unavoidable trace impurities. When the temperature of the molten steel drops to 1509°C, the molten steel is poured into the ...
Embodiment 3
[0019] The cast steel plug is smelted in a 1000 kg medium frequency induction furnace, and the specific process is as follows:
[0020] First smelt the cast steel plug material in the electric furnace, its chemical composition and mass fraction are: 0.24%C, 1.70%Cr, 0.09%N, 0.98%Mo, 0.64%Si, 0.47%Mn, 1.26%Ni, 0.025%S, 0.034% P, the balance is Fe. When the temperature of the above-mentioned molten metal reaches 1668°C, the molten steel comes out of the furnace and enters the ladle. After all the molten steel enters the ladle, the diameter The alloy wire enters the ladle through the wire feeder. The mass fraction of the alloy wire added is 3.0% of the total mass of molten steel in the ladle. The chemical composition and mass fraction of the alloy wire are: 7.92%Ca, 6.04%Ba, 4.85%Ce, 1.53% Mg, 17.87% Fe, 4.95% Ti, 5.02% V, 14.91% Si, the balance is Al and unavoidable trace impurities. When the temperature of the molten steel drops to 1497°C, the molten steel is poured into the...
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