Ferritic stainless steel is used widely for automotive exhaust systems. The higher the temperature of exhaust gas becomes, the more strongly the heat resistance properties are required for the ferritic stainless steel for exhaust manifold. The improved material in heat resistance, leads to have less formability, requires additional forming techniques in return. On the other hand, the parts are designed more and more complicatedly in these days. So the difficulties in forming such complex shaped parts become to be discussed as an important issue. To resolve the problems and to use the ferritic stainless steel rightly, it is important to understand its formability. This paper gives some examples related to the formability in press forming, secondary-work-embrittlement, and pipe bending, and provides some useful information for an optimum choice of material, parts design, and forming.
Formability of the ferritic stainless steel for exhaust manifold
Umformbarkeit eines ferritischen nichtrostenden Stahls für Auspuffkrümmer
Titel japanisch
JFE Giho ; 20 ; 42-46
2008
5 Seiten, 8 Bilder, 1 Tabelle, 14 Quellen
Article (Journal)
Japanese
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