Title:
FERRITIC STAINLESS STEEL
Document Type and Number:
WIPO Patent Application WO2005100628
Kind Code:
A8
Abstract:
Ferritic steel alloyed with a balanced quantity of chromium, aluminium and reactive elements and that has the following composition (in % by weight): Ni up to 1 Cr 15-25 Al 0,75-3,7 Si max 0,6 Mo and/or W 0-3 Ti and/or Nb 0-1 Cup to 0,2 N up to 0,2 one or more of the reactive elements Zr, Hf and REM >0 balance iron and normally occurring impurities, wherein the equation Cr+3AI = 26 is satisfied. The ferritic stainless steel is suitable for use as substrate material in catalytic converters for diesel engines in heavy vehicles at temperatures in the interval of 600-900 °C and a specific relation between the content of chromium and aluminium being satisfied.
Inventors:
ROSBERG ANDREAS (SE)
GOERANSSON KENNETH (SE)
WITT EVA (SE)
GOERANSSON KENNETH (SE)
WITT EVA (SE)
Application Number:
PCT/SE2005/000523
Publication Date:
January 12, 2006
Filing Date:
April 13, 2005
Export Citation:
Assignee:
SANDVIK INTELLECTUAL PROPERTY (SE)
ROSBERG ANDREAS (SE)
GOERANSSON KENNETH (SE)
WITT EVA (SE)
ROSBERG ANDREAS (SE)
GOERANSSON KENNETH (SE)
WITT EVA (SE)
International Classes:
C22C38/06; C22C38/18; C22C; (IPC1-7): C22C38/06; C22C38/18
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