Composition and process for treatment of ferrous substrates

Details Composition and process for treatment of ferrous substrates Composition and process for treatment of ferrous substrates

1985-01-11

1986-10-14

Silverberg, Sam

Metal treatment

Compositions

Heat treating

C23D 2234

Patent

active

046170685

ABSTRACT:
A composition and process for treating ferrous substrates including black plate container bodies to inhibit in-process corrosion or rusting of the surfaces thereof by contacting the ferrous substrate with aqueous acidic composition containing controlled effective amounts of aluminum, fluoride, optionally a second metal selected from the group consisting of zirconium, titanium, hafnium and mixtures thereof and hydrogen ions to provide a pH on the acid side.

REFERENCES:
patent: 4367099 (1983-01-01), Lash
patent: 4370177 (1983-01-01), Frelin
patent: 4457790 (1984-07-01), Lindert
Mellor, Inorganic & Theoretical Chem., 1946, vol. V, pp. 300-302.

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