Roll for use in heat treating furnace and method of producing the same
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United States of America Patent
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Dec 10, 1991
Grant Date -
N/A
app pub date -
Aug 9, 1990
filing date -
Aug 17, 1989
priority date (Note) -
Expired
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Abstract
In order to prevent production of build-up resistance and wear resistance on a roll for use in heat treating furnace effectively, an alloy layer, a cermet sprayed layer having reinforced zone and a chemical conversion coating are provide in this order on a roll substrate to form a multi-coating layer.
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