Pearlite rail

Provided is a pearlite rail containing, by mass, 0.65-1.20% carbon, 0.05-2.00% silicon, and 0.05-2.00% manganese, with the remainder containing iron and unavoidable impurities. At least part of the head and at least part of the base of the provided rail are pearlite. The aforementioned pearlite regi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SONOYAMA, KYOHEI, IWANO, KATSUYA, TANAHASHI, TAKUYA, UEDA, MASAHARU, MIYAZAKI, TERUHISA
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Provided is a pearlite rail containing, by mass, 0.65-1.20% carbon, 0.05-2.00% silicon, and 0.05-2.00% manganese, with the remainder containing iron and unavoidable impurities. At least part of the head and at least part of the base of the provided rail are pearlite. The aforementioned pearlite regions have a surface hardness between 320 and 500 HV and a maximum surface roughness of at most 180 μm.