Process for the heat treatment of steel

Details Process for the heat treatment of steel Process for the heat treatment of steel

1975-08-14

1978-04-04

Dean, R.

Metal treatment

Compositions

Heat treating

148 18, 148 36, 148 39, 148134, C21D 904

Patent

active

040825779

ABSTRACT:
A process for the heat treatment of a steel rail which is at a temperature which is in the austenite range which comprises quenching at least the head portion of said rail in water maintained at a temperature of at least 80.degree. C until the temperature of said rail is such that said rail has completed the pearlite transformation and recovering a rail whose steel composition is characterized by such a fine pearlitic structure that it cannot be resolved by a light microscope but is not bainitic in structure.

REFERENCES:
patent: 1178352 (1916-04-01), Sandberg
patent: 1205998 (1916-11-01), Kenney
patent: 3519497 (1970-07-01), Pomey

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