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The molten steel in the induction melting furnace reaches 1520 <C to produce molten iron.
It is not high melting and low pouring, but high temperature inducton melting, suitable for temperature pouring.
Excessive smelting will cause oxidation of the molten metal, increase the oxidation of the metal solution, and excessive temperature will greatly damage the lining. The purpose of high-temperature melting is to increase the superheat of the molten metal and increase the nucleation rate.
The water temperature and pouring temperature should be determined according to the material, size, wall thickness and casting process (sand casting, special casting) of the casting, and it cannot be determined by all means, otherwise it will be misleading.
The high temperature of smelting is not unrestrictedly high, and the low temperature of casting is not unrestrictedly low. When smelting cast iron, the temperature higher than 1500 <C can eliminate the inheritance of the charge. Graphite and floating graphite have a certain relationship with the melting temperature. High temperature is Refers to the melting temperature in the furnace, not the tapping temperature;
High temperature is released and poured at a suitable temperature.Smelting must not exceed 1550<C, we are 1520<C, 1360 ~ 1380 < C casting (low alloy gray cast iron), ductile iron and vermicular cast iron casting temperature will be higher, but should not exceed 1450 < C!
High temperature melting, standing with molten iron, suitable pouring temperature. General melting temperature should not exceed 1550 < C