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ALLOY STEEL LOST FOAM CASTINGS

ALLOY STEEL LOST FOAM CASTINGS

Alloy steel lost foam castings are the metal casting products cast by lost foam casting process. Lost Foam Casting (LFC), also called Full Mold Casting, is a kind of metal forming process with dry sand casting process. The EPC is sometimes could be short for Expendable Pattern Casting because the lost foam patterns could be used only once. After the foam patterns are finished by special machined, then the foamed plastic patterns are coated with refractory coating to form a strong shell to withstand the molten metal. The foam patterns with shells are put into the sand box, and fill it with dry sand sand around them. During pouring, the high-temperature molten metal makes the foam pattern pyrolyzed and “disappears” and occupies the exit cavity of the patterns, and finally the finished desired castings are obtained.
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