Straightened rail

Metal treatment – Stock – Ferrous

Patent

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Details

238150, C21D 700

Patent

active

047552387

ABSTRACT:
The steel rail is submitted to a tensile stress exceeding the conventional 0.2% offset yield strength of the steel, up to a stress value corresponding to a total plastic deformation of the whole rail.

REFERENCES:
patent: 2167485 (1939-07-01), Leisner et al.
patent: 2198961 (1959-12-01), Seeley
patent: 3193270 (1965-07-01), Dewez et al.
patent: 4156360 (1979-05-01), Jacson

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