LEAD-FREE BRASS ALLOY AND METHOD OF USING THE LEAD-FREE BRASS ALLOY
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United States of America Patent
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Issued Date -
Feb 9, 2023
app pub date -
Jul 21, 2022
filing date -
Jul 21, 2022
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Abstract
A lead-free brass alloy contains 57.0 to 60.0% wt. Cu, 1.0 to 2.0% wt. Al, 1.5 to 2.5% wt. Mn, 0.1 to 1.0% wt. Fe, at most 0.5% wt. Ni, at most 0.5% wt. Sn, 0.5 to 2.0% wt. Si, less than 0.1% wt. Pb, balance Zn and also unavoidable impurities. Wherein the copper equivalent (CuEq) is in the range from 52.0 to 58.0%.
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