Method of making a band for a band press
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United States of America Patent
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Jun 4, 1991
Grant Date -
N/A
app pub date -
Feb 7, 1990
filing date -
Feb 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of making a steel band for a double-band press or the like starts with a rolled strip having a tensile strength less than 1250 N/mm.sup.2 of a precipitation-hardenable steel which is subjected to galvanic coating with hard chromium along at least one surface. The band is then subjected to a precipitation hardening heat treatment and as a result of that heat treatment has a tensile strength in excess of 1400 N/mm.sup.2.
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