Steel Shell for a Suction Roll and a Method of Producing a Steel Product
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United States of America Patent
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Issued Date -
Oct 25, 2007
app pub date -
Aug 19, 2005
filing date -
Sep 7, 2004
priority date (Note) -
Abandoned
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Abstract
A suction roll shell having a plurality of through holes is made of a stainless ferrite-austenite steel having a micro-structure essentially consisting of 35-65% by volume of ferrite and 35-65% by volume of austenite. The steel has a composition containing, among other things, 0.005-0.07 C and 0.15-0.30 N, in % by weight.
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