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The melting temperature of aluminum foil is 660 degrees Celsius (1,220 degrees Fahrenheit) at standard pressure, so it wonât melt with temperatures encountered in a standard household oven.hy Aluminum Melts. The forces that attract one molecule to another determine melting point; the stronger the attraction, the higher the temperature required to melt the substance. Molecular vibrations produced by heating overcome the intermolecular forces when the temperature passes the melting point.
Large furnaces melt the iron and stay at temperatures ranging 2,600 to 2,800 degrees Fahrenheit. Computerized systems constantly monitor temperature. As the iron travels down the molding line, the temperature gradually decreases from about 2,600 to 1,200 degrees. As the castings cool, they enter a shakeout process in which the molds are shaken off and the sand is recycled for reuse. When castings get below about 140 degrees, they are cleaned and finished.