Metal treatment – Compositions – Heat treating
Patent
1974-11-20
1976-02-17
Kendall, Ralph S.
Metal treatment
Compositions
Heat treating
C23F 710
Patent
active
039390144
ABSTRACT:
In the continuous strand method of processing high carbon steel wire for subsequent cold deformation, a zinc phosphate conversion coating is rapidly formed on the steel surface to aid in the subsequent deformation by contacting the steel surface with an aqueous acidic coating solution comprising phosphate, zinc and nitrate.
REFERENCES:
patent: 2351605 (1944-06-01), Gibson
patent: 2516008 (1950-07-01), Lum
patent: 2884351 (1959-04-01), Cavanagh
patent: 2930723 (1960-03-01), Prysdale et al.
Amchem Products Inc.
Katzoff Howard S.
Kendall Ralph S.
Szoke Ernest G.
Zall Michael E.
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