Steel alloys for springs
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United States of America Patent
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Issued Date -
Aug 29, 2002
app pub date -
Dec 21, 2000
filing date -
Dec 21, 2000
priority date (Note) -
Abandoned
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Abstract
Steel alloy compositions for springs complying with the following specification: 0.51-0.55% by weight of carbon 1.15-1.25% by weight of manganese 0.15-0.30% by weight of silicon 0.90-1.10% by weight of chromium 0.15-0.25% by weight of molybdenum 0.10-0.15% by weight of vanadium 0.015-0.060% by weight of aluminum 0.015-0.030% by weight of niobium 0.008-0.012% by weight of nitrogen and the balance iron and incidental impurities.
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