HIGH STRENGTH BAINITIC STEEL RAIL EXCELLENT IN DAMAGING RESISTANCE

HIGH STRENGTH BAINITIC STEEL RAIL EXCELLENT IN DAMAGING RESISTANCE

PROBLEM TO BE SOLVED: To increase the rolling fatigue resistance of a rail, to prolong its service life and to reduce the cost of the maintenance in a track by specifying the compsn. of a rail steel and regulating its compsn. after heat treatment and the hardness of the rail head part. SOLUTION: Thi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAMAMOTO SADAHIRO, FUJIKAKE MASAHISA, KOBAYASHI KAZUTAKA
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:PROBLEM TO BE SOLVED: To increase the rolling fatigue resistance of a rail, to prolong its service life and to reduce the cost of the maintenance in a track by specifying the compsn. of a rail steel and regulating its compsn. after heat treatment and the hardness of the rail head part. SOLUTION: This rail has a compsn. contg., by weight, 0.2 to 0.5% C, 0.1 to 2.0% Si, 0.3 to 4.0% Mn, =10 by Vickers hardness.