Kabushiki Kaisha Kobe Seiko Sho

Yoshio Doi

Kenji Hayashi

Osamu Takezoe

Masanobu Aoki

Makoto Shimata

Yoshinori Yasuda

Kazuhiko Asano

An abrasion resistant aluminum alloy characterized in that the aluminum alloy has a chemical composition basically containing 7.5-15 wt % of Si, 3.0-6.0 wt % of Cu, 0.3-1.0 wt % of Mg, 0.25-1.0 wt % of Fe, 0.25-1.0 wt % of Mn, and the balance of Al and impurities, and an alloy structure with a primary Si crystal size smaller than 80 microns, a Si-Mn-Fe compound grain size smaller than 120 microns, and an alpha-Al phase size smaller than 100 microns.

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Yamaguchi, Japan

Yoshio Doi