FERRITIC STAINLESS STEEL
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...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
10.01.2007
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Subjects | |
Online Access | Get full text |
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Summary: | 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. |
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Bibliography: | Application Number: EP20050732168 |