SHAPED PARTS MADE FROM CORROSION-RESISTANT COPPER ALLOYS
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United States of America Patent
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Jun 18, 2015
app pub date -
Jun 13, 2013
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Jul 12, 2012
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The invention relates to metal formed parts, a method for producing the formed parts, use of the formed parts and the use of alloys to produce formed parts. Formed parts are produced from copper alloys with the composition (percent by weight) Sn: 2 to 8%, Zn: 2.5 to 13%, Pb: less than 0.25%, Ni: maximum 0.6%, optionally phosphorous, remainder Cu, but at least 84%, and unavoidable impurities, wherein the production of the formed parts includes at least one hot pressing process. The formed parts produced in this manner have outstanding corrosion resistance, very good material properties, high dimensional stability and surface quality and thus are particularly suited for use in water-carrying piping systems.
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