Aluminium extrusion alloy
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United States of America Patent
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May 21, 2002
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app pub date -
Jun 7, 2000
filing date -
Jun 11, 1999
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Abstract
The invention relates to an aluminium extrusion alloy comprising in weight percent: Mn 1.0-1.4, Cu 0.2-2.0, Mg 0.1-0.6, Si 0.15-1.0, Fe 0.8 max., Zn 0.25 max., Ti 0.15 max., Cr 0.35 max., Zr and/or V in total 0.25 max., others up to 0.05 each, total 0.15, balance aluminium, and with the proviso that (Cu+Mg)>0.7, and which aluminium extrusion alloy is particularly suitable for application in brazed assemblies, and the invention further relates to a method of its manufacture.
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