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US 6,607,616 B2Granted
Aluminum casting alloy
AssigneeCorus Aluminium Voerde GmbH
InventorsMartinus Godefridus Johannes Spanjers, Timothy John Hurd
Life of this patent
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Abstract
The invention relates to an aluminum casting alloy and to cast products made thereof consisting of, in weight percent: Mg 1.0-2.6, Si 0.5-2.0, Mn 0.9-1.4, Fe<0.50, Cu<1.0, Zn<0.30, Ti<0.20, Be<0.003, balance aluminum and inevitable impurities.
Claims21
A cast product of an aluminum casting alloy consisting of, in weight percent:
- Mg 1.0-2.6 Si 0.5-2.0 Mn 0.9-1.4 Fe <0.50 Cu <1.0 Zn <0.30 Ti <0.20 Be <0.003 impurities each 0.05 max. total 0.25 max.
- balance aluminum, wherein the product is a die-cast product and the aluminum casting alloy is a die casting alloy, wherein the die-cast aluminum alloy product in the as-cast condition has an UTS of at least 230 MPa, and a 0.2% YS of at least 140 MPa, and an elongation of at least 10%.
A method of use of an aluminum alloy comprising, die-casting an alloy consisting of, in weight percent:
- Mg 1.0-2.6 Si 0.5-2.0 Mn 0.9-1.4 Fe <0.50 Cu <1.0 Zn <0.30 Ti <0.20 Be <0.003 impurities each 0.05 max. total 0.25 max. balance aluminum.
Dependencies are inferred from the claim text.