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Corrosion resistance of lean alloy alternatives for 300 series stainless steels

  • Rising Prices of nickel and molybdenum in the past few years have led to unprecedented interest in Substitution of leaner-content alloys for Standard 300-series austenitic stainless steels in a lot of applications. Due to the high prices of different alloying elements and to periodic large fluctuations that cause similar large fluctuations in the costs of using 300-series stainless steels; a lot of new materials entered the markets in Europe and also in the rest of the world. A big disadvantage consists in the fact that there are though corrosion results that, however, a direct comparison of the corrosion resistance of these new materials does not exist up to now or only incompletely. In this project comparative investigations were carried out and always one or several representatives of a material group were incorporated. These material groups are: Lean Duplex Stainless Steels, Manganese Alloyed Austenitic and Duplex Stainless Steels and Ferritic Stainless Steels. These materialsRising Prices of nickel and molybdenum in the past few years have led to unprecedented interest in Substitution of leaner-content alloys for Standard 300-series austenitic stainless steels in a lot of applications. Due to the high prices of different alloying elements and to periodic large fluctuations that cause similar large fluctuations in the costs of using 300-series stainless steels; a lot of new materials entered the markets in Europe and also in the rest of the world. A big disadvantage consists in the fact that there are though corrosion results that, however, a direct comparison of the corrosion resistance of these new materials does not exist up to now or only incompletely. In this project comparative investigations were carried out and always one or several representatives of a material group were incorporated. These material groups are: Lean Duplex Stainless Steels, Manganese Alloyed Austenitic and Duplex Stainless Steels and Ferritic Stainless Steels. These materials were investigated in a lot of different test procedures and in different conditions focused on the application in civil engineering and common use. Beside the electrochemical investigations all materials were exposed in different surface States in the atmosphere, once in Coastal nearness and once in a city centre area. Other exposition tests with material Coupons where done in the atmosphere of indoor swimming pools and at the case of food processing machines were corrosion processes are caused by the cleaning procedure. First results are reported.zeige mehrzeige weniger

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Metadaten
Autor*innen:P. Gümpel, F. Leu, Andreas Burkert, Jens Lehmann
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):7th European stainless steel conference - science and market (Proceedings)
Jahr der Erstveröffentlichung:2011
Herausgeber (Institution):Associazione Italiana di Metallurgia (AIM)
Ausgabe/Heft:Applications / No. 53
Erste Seite:1
Letzte Seite:15
Freie Schlagwörter:Austenitic stainless steels; Duplex stainless steels; Ferritic stainless steels; Manganese alloyed stainless steels; Passive layer; Pitting corrosion; Stress corrosion cracking; Surface condition
Veranstaltung:7th European stainless steel conference - science and market
Veranstaltungsort:Como, Italy
Beginndatum der Veranstaltung:21.09.2011
Enddatum der Veranstaltung:23.09.2011
ISBN:978-88-85298-84-2
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein
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