Alloy vermicular cast iron glass mold material and preparation method thereof
A glass mold material and vermicular graphite cast iron technology, which is applied in the field of glass mold manufacturing, can solve the problems such as the decrease of oxidation speed, and achieve the effect of good solid solution strengthening effect.
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Embodiment 1
[0049] A) Melting, add pig iron with brand Q12 into the smelting furnace (electric furnace). After the pig iron is melted, add 15% of the weight of the pig iron into the furnace. For scrap steel after degreasing and derusting treatment, after the scrap steel is melted and the temperature rises to 1450-1460°C, add granular ferro-vanadium and ferro-molybdenum with a particle diameter of 2-6mm, after the ferro-vanadium and ferro-molybdenum are melted Carry out heat preservation, the heat preservation temperature is 1500 ℃, and the heat preservation time is 6 minutes. After the heat preservation is completed, slag removal is carried out. After the slag removal, ferromanganese, ferrosilicon and ferrochrome are added in turn for slagging deoxidation, that is, slagging deoxidation treatment is carried out. Add ferro-titanium and nickel plates when the temperature reaches 1520°C, and keep warm after the ferro-titanium and nickel plates are melted. The holding temperature is 1520°C an...
Embodiment 2
[0053] A) Melting, add pig iron with brand Q12 into the smelting furnace (electric furnace). After the pig iron is melted, add 20% of the weight of the pig iron into the furnace. For scrap steel after degreasing and derusting treatment, after the scrap steel is melted and the temperature rises to 1450-1460℃, add granular ferro-vanadium and ferro-molybdenum with a particle diameter of 3-5mm, after the ferro-vanadium and ferro-molybdenum are melted Carry out heat preservation, the heat preservation temperature is 1510°C, and the heat preservation time is 5 minutes. After the heat preservation is over, slag removal is carried out. After the slag removal, ferromanganese, ferrosilicon and ferrochrome are added in turn for slagging deoxidation, that is, slagging deoxidation treatment is carried out. When the temperature reaches 1550°C, add ferro-titanium and nickel plates, and keep warm after the ferro-titanium and nickel plates are melted. The holding temperature is 1550°C, and th...
Embodiment 3
[0056] A) Melting, add pig iron with brand Q12 into the smelting furnace (electric furnace). After the pig iron is melted, add 10% of the weight of the pig iron into the furnace. For scrap steel after degreasing and derusting treatment, after the scrap steel is melted and the temperature rises to 1450-1460°C, add granular ferro-vanadium and ferro-molybdenum with a particle diameter of 2-6mm, after the ferro-vanadium and ferro-molybdenum are melted Carry out heat preservation, the heat preservation temperature is 1505°C, and the heat preservation time is 5.5min. After the heat preservation is over, slag removal is carried out. After the slag removal, ferromanganese, ferrosilicon and ferrochrome are added in turn for slagging and deoxidation, that is, slagging and deoxidation treatment is carried out. When the temperature reaches 1535°C, add ferro-titanium and nickel plates, and keep warm after the ferro-titanium and nickel plates are melted. The holding temperature is 1535°C, ...
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