Metal Technologies has compiled a small glossary to help you familiarize yourself with the language of metal casting. Please select a range of terms from the menu at the left for listings of common metal casting terms and definitions.
Machine Finish: Allowance of stock on the surface of the pattern to permit the machining of the casting to the required dimensions.
Malleable Iron: Iron that may be altered in shape by hammering or by the pressure of rollers without exhibiting fracture or brittleness. The majority of the carbon content is in the form of graphite nodules rather than flakes.
Master Pattern: An original pattern made to produce castings which are then used as metal patterns.
Match Plate: A plate to which the pattern is attached at a parting line.
Mold: A body of molding sand or other heat-resisting material containing a cavity which forms a casting when filled with molten metal.
Molding Sand: A sand which binds strongly without losing its permeability to air or gases.
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