ACE P439A (UNS 43932) has a high application versatility in automotive, sugar & alcohol mills and white goods industries, in function of its excellent properties such as: corrosion resistance, weldability and drawability. Concerning the automotive industry, ACE P439A has been mostly used in the 'cold part' of vehicle exhaust systems. The present paper describes the evaluation of the high temperature properties of ACE P439A compared to the standard Ti mono stabilized grade (AISI 439) and the commonly used dual stabilized (AISI 441), in order to verify its application in the 'hot part' of vehicle exhaust systems. ACE P439A has presented an intermediate behavior between the others two grades. This study has shown that it can be used at up to 850 deg C, while AISI 441 must be used for higher temperatures.
ACE P439A: Acesita's grade for high temperature application in vehicle exhaust system
ACE P439A: Acesita-Stahl für die Hochtemperaturanwendung im Fahrzeugabgassystem
2008
7 Seiten, 8 Bilder, 1 Tabelle, 10 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
ferritischer nichtrostender Stahl , chemische Zusammensetzung , Titanzusatz , Niobzusatz , Anwendung im Fahrzeugbau , Abgassystem , Hochtemperaturverhalten , Korrosionsprüfung , Mikrostruktur , mechanische Eigenschaft , Zugprüfung , Niedriglastwechselversuch , Schweißbarkeit , Ziehfähigkeit , Korrosionsbeständigkeit , Chrom-Titan-Stahl , Chrom-Niob-Stahl , Werkstoffvergleich
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