Rail

A rail is provided in which in a range from a surface of a head of the rail to a depth of 30 mm, 95% or more of a structure is composed of a pearlite structure by area %, and in a range with a depth of 20 mm to 30 mm from the surface of the head of the rail, an average grain size of a pearlite block...

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Bibliographische Detailangaben
Hauptverfasser:	Miyazaki Teruhisa, Ueda Masaharu
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FERROUS OR NON-FERROUS ALLOYS FIXED CONSTRUCTIONS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MACHINES FOR MAKING RAILWAYS OF ALL KINDS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERMANENT WAY PERMANENT-WAY TOOLS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A rail is provided in which in a range from a surface of a head of the rail to a depth of 30 mm, 95% or more of a structure is composed of a pearlite structure by area %, and in a range with a depth of 20 mm to 30 mm from the surface of the head of the rail, an average grain size of a pearlite block in a transverse section is 120 μm to 200 μm.