Method for heat treating metal

Details Method for heat treating metal Method for heat treating metal

1982-02-11

1983-11-29

Envall, Jr., Roy N.

Electric heating

Metal heating

Of cylinders

219 85, 219 1057, 219 1079, 148154, 266129, H05B 638, H05B 644

Patent

active

044182589

ABSTRACT:
A method for relieving stress in the microstructure welds and the heat affected zone in the adjacent base metal in low alloy steel by induction heating in a second post-weld heat treatment. The heated area is monitored with a radiation pyrometer to ensure precise temperature control of the procedure.

REFERENCES:
patent: 2180513 (1939-11-01), Fugill et al.
patent: 2368809 (1945-02-01), Denneen et al.
patent: 2632079 (1953-03-01), Body
patent: 2762892 (1956-09-01), Park
patent: 3504149 (1970-03-01), Dixon et al.
patent: 3737613 (1973-06-01), Gillock
patent: 4188419 (1980-02-01), Detert et al.

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