Aluminum alloy casting having excellent gloss and method for producing the same
The present invention provides an aluminum alloy casting, particularly an aluminum wheel for automobile, which is made by casting an aluminum alloy comprising Mg (1.5 to 5.5 wt%), Zn (1.6 to 5.0 wt%), Si (below 0.4 wt%), Fe (below 0.4 wt%), Cu (below 0.4 wt%), Ti (below 0.2 wt%), B (below 0.1 wt%),...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The present invention provides an aluminum alloy casting, particularly an aluminum wheel for automobile, which is made by casting an aluminum alloy comprising Mg (1.5 to 5.5 wt%), Zn (1.6 to 5.0 wt%), Si (below 0.4 wt%), Fe (below 0.4 wt%), Cu (below 0.4 wt%), Ti (below 0.2 wt%), B (below 0.1 wt%), Be (below 0.1 wt%) and the others (Al and an unavoidable impurity) and polishing an obtained casting and has a measured glossiness of 100% or more according to JIS: Z8741. Thereby, the aluminum alloy casting capable of maintaining a high intensity, hardness and toughness and having an excellent gloss is provided, particularly an aluminum wheel for automobile. |
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