C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 21/06 (2006.01) B21C 37/15 (2006.01) B21D 53/86 (2006.01) B21D 53/88 (2006.01) C22F 1/047 (2006.01) C22C 21/08 (2006.01)
Patent
CA 2621543
An Al-Mg based aluminum alloy tube for hot working which has such an alloy composition, in mass %, that Mg: 2.5 to 2.8 %, Si: 0.25 % or less, Fe: 0.35 mass % or less, Cr: 0.25 to 0.35 % and the balance: Al and inevitable impurities, and exhibits an area proportion of cavities of 2.3 % or less after hot working; and an aluminum alloy structural member for an automobile using the aluminum alloy tube.
L~invention concerne un tube en alliage d~aluminium à base de Al-Mg destiné à une déformation à chaud, la composition dudit alliage étant, en % massique, Mg : 2,5 à 2,8 %, Si : 0,25 % ou moins, Fe : 0,35 % massique ou moins, Cr : 0,25 à 0,35 %, le reste étant Al et d~inévitables impuretés, une proportion de cavités étant au plus de 2,3 % après déformation à chaud ; ainsi qu~un élément structurel en alliage d~aluminium pour automobile utilisant ledit tube en alliage d'aluminium.
Akiyama Hiroshi
Hori Izuru
Kashiwazaki Kazuhisa
Shiotsuki Katsuhiko
Shoji Ryo
Furukawa-Sky Aluminum Corp.
Honda Giken Kogyo Kabushiki Kaisha
Kirby Eades Gale Baker
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