Workshop Technology
Sand wash is a casting defect which

Occurs near the ingates as rough lumps on the surface of a casting
Results in general enlargement of the casting
Results in a mismatching of the top and bottom parts of a casting
Occurs as sand patches on the upper surface of a casting

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Workshop Technology
In a hot chamber die casting machine

Nonferrous alloys with low melting temperature are casted
Nonferrous alloys with high melting temperature are casted
Ferrous alloys with high melting temperature are casted
Ferrous alloys with low melting temperature are casted

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