Method of and apparatus for hardening workpieces of steel

Details Method of and apparatus for hardening workpieces of steel Method of and apparatus for hardening workpieces of steel

1975-03-17

1977-02-01

Satterfield, Walter R.

Metal treatment

Compositions

Heat treating

148 166, C21D 148

Patent

active

040060420

ABSTRACT:
A method of and apparatus for hardening a workpiece of steel, according to hich the workpiece is heated, for instance in a furnace, to austenitizing temperature and is carburized by a pressurized mixture of purified air and propane surrounding the workpiece, whereupon the workpiece is quenched in a cooling region.

REFERENCES:
patent: 2934330 (1960-04-01), Rusciano et al.
patent: 2975083 (1961-03-01), Engelhard
patent: 3185463 (1965-05-01), Daubersy
patent: 3397875 (1968-08-01), Davis
patent: 3413161 (1968-11-01), Goehring

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