LEAD ALLOY FOR LEAD-ACID BATTERY TERMINALS
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United States of America Patent
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Oct 9, 2001
Grant Date -
Oct 18, 2001
app pub date -
Oct 30, 1998
filing date -
Oct 30, 1998
priority date (Note) -
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Abstract
An alloy for casting terminals for lead-acid batteries which has good corrosion resistance, produces less dross during manufacturing, has resistance to polypropylene degradation, as well as other improved features. The alloy is composed of antimony present in the range of about 2.5-4.75%; arsenic present in the range of about 0.15-0.35%; tin present in the range of about 0.2-0.6%; copper present in the range of about 0-200 ppm; sulfur present in the range of about 0-40 ppm and the balance lead. In an alternative embodiment, copper and sulfur are replaced with selenium in the range of about 40-90 ppm.
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