Method for heat treatment of material to be worked on, especiall

Details Method for heat treatment of material to be worked on, especiall Method for heat treatment of material to be worked on, especiall

1973-11-20

1976-04-27

Dean, R.

Metal treatment

Compositions

Heat treating

148 203, 148157, C22F 104, C22F 106

Patent

active

039532470

ABSTRACT:
For heat treatment metal pieces like billets, ingots, bars and the like are pre-heated by direct flame impingement in a pre-heating furnace and then transfered into a holding furnace with forced hot gas circulation where they are held for the time required at the desired heat treatment temperature.

REFERENCES:
patent: 3296039 (1967-01-01), Loeck et al.
patent: 3496033 (1970-02-01), Gilbreath et al.

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