Stainless Steel For Filter Applications
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United States of America Patent
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Issued Date -
Feb 12, 2009
app pub date -
May 24, 2006
filing date -
Jul 1, 2005
priority date (Note) -
Abandoned
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Abstract
A filter comprising a porous sintered stainless steel is provided. The filter includes 10-30% chromium, 5-25% nickel, 0.5-3% manganese; 1-4% silicon, and 0-3% molybdenum with the remainder being iron and inevitable impurities. The sintered steel has a density less than 80% of full density. The use of a stainless steel powder for the preparation of a filter having improved permeability at high temperatures also is described.
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