Commonly used materials are the following four: zinc alloy, die casting company，aluminum alloy, magnesium alloy, copper alloy.

Their characteristics and uses are as follows: Wide range of uses; Large quantities of castings that require electroplating on their surfaces; Zinc alloys are prone to aging, dimensionally unstable at temperatures >100°C or <-10°c, and="" have="" limited="" application="" range="" are="" the="" most="" widely="" used="" span="">

General application; castings with low density and good mechanical properties are used for parts that can withstand strong bumps and slow vibrations; parts that can be used for low temperature (above -196°C) work are used for anti-magnetic parts, wear-resistant parts, good thermal conductivity, after heating Parts with small dimensional changes.

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