Electrical resistance coating for steel

Metal treatment – Compositions – Heat treating

Patent

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Details

148 615R, C23F 710

Patent

active

043167519

ABSTRACT:
Disclosed is a process for applying an electrical insulating coating onto a ferrous metal surface and the ferrous metal surface with the coating thereon. The insulating coating comprises phosphate and nitrate applied in a thin film of from about 200 mg to about 400 mg coating weight per square foot of ferrous metal surface coated.

REFERENCES:
patent: 2465247 (1949-03-01), McBride
patent: 3114661 (1963-12-01), Palm

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