In casting the metal water temperature. Affect the macro structure and a comma, which is affected by both mechanical properties and the quality of the pieces, especially the casting shrinkage in the process of solidifying metals. There is a trial, it was found that the size of the fine grains of aluminum die cast, there will be a bit rough when using water temperature of 760° 310-industrial metal while water temperatures, metal FX, "size-680° smaller bit.
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