Composite roll
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United States of America Patent
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-
Dec 14, 1993
Grant Date -
N/A
app pub date -
Dec 12, 1991
filing date -
Jun 30, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A composite roll including a metal core and a hard face formed from a steel composition including the elements carbon, manganese, silicon, chromium, molybdenum, niobium, vanadium and iron in specified amounts, as well as incidental impurities. The composition may optionally further include tungsten, nickel, tantalum and/or titanium. The composite roll may further comprise a buffer layer.
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