Process of annealing for preventing temper colors on a steel she

Details Process of annealing for preventing temper colors on a steel she Process of annealing for preventing temper colors on a steel she

1977-09-12

1980-07-01

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148 203, 148121, C21D 148

Patent

active

042104696

ABSTRACT:
A process of annealing for preventing temper colors on a steel sheet in a box annealing furnace, which comprises placing an oxidizable iron-base material at a position of low temperature in a circulating path of a furnace gas.

REFERENCES:
patent: 652980 (1900-07-01), Perin
patent: 2709145 (1955-05-01), Bucknall
patent: 2992952 (1961-07-01), Assmus et al.
patent: 3053523 (1962-09-01), Shipley
patent: 3229967 (1966-01-01), Engelhard
patent: 3290030 (1966-12-01), Goehring
patent: 3294596 (1966-12-01), Daubersy
patent: 3834952 (1974-09-01), Matsushita et al.

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