Cast aluminum alloy for forging, and aluminum cast-forged product and method of manufacturing the same
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United States of America Patent
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Issued Date -
Aug 5, 2004
app pub date -
Oct 1, 2003
filing date -
Oct 1, 2002
priority date (Note) -
Abandoned
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Abstract
There is disclosed a cast-forged product of an aluminum alloy consisting essentially of: 0.6 to 1.8 wt % of silicon; 0.6 to 1.8 wt % of magnesium; 0.8 wt % or less of copper; 0.2 to 1.0 wt % of manganese; 0.25 wt % or less of chromium; 0.0 to 0.15 wt % of titanium; and unavoidably contained impurities. When the product is used as various parts for automobiles formed of aluminum, such as suspension parts, frames, and parts for engines, the product is more superior in mechanical properties such as a tensile strength, proof stress, and elongation, and can be manufactured with a low cost.
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