Railway wheel alloy
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United States of America Patent
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Aug 31, 2004
Grant Date -
Sep 5, 2002
app pub date -
Mar 5, 2001
filing date -
Mar 5, 2001
priority date (Note) -
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Abstract
A steel alloy, particularly adapted for the manufacture of railway wheels is provided. Such alloy comprises essentially, in weight percentage, carbon 0.67-0.77, manganese 0.70-0.85, silicon 0.65-0.85, phosphorus less than 0.025, sulfur less than 0.025, chromium 0.18-0.25, molybdenum 0.08-0.12, with the balance essentially iron. Another lower carbon alloy comprises essentially, in weight percentage, carbon 0.16-0.45, manganese 0.90-1.10, silicon 0.50-0.70, phosphorous less than 0.035, sulfur less than 0.035, nickel 1.0-1.5, chromium 0.40-0.60 and molybdenum 0.40-0.60.
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