Highly wear-resistant roll steel for cold rolling mills
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United States of America Patent
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Oct 29, 1991
Grant Date -
N/A
app pub date -
Apr 13, 1990
filing date -
Apr 21, 1989
priority date (Note) -
Expired
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Abstract
A steel from which rolls for a cold rolling mill are made and which gives to the rolls very excellent wear resistance in addition to thermal shock and spalling resistances and various mechanical characteristics is provided. Said steel comprises: C : 0.70 to 1.50 wt % Si: 0.15 to 1.00 wt % Mn: 0.15 to 1.50 wt % Cr: 2.50 to 10.00 wt % Mo: 1.00 wt % or less V : 1.00 wt % or less Ni: 1.00 wt % or less Ti: 0.04 to 0.30 wt % with the balance being Fe and inevitable impurities.
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