Method for pretreatment in the production of tin-free steel

Details Method for pretreatment in the production of tin-free steel Method for pretreatment in the production of tin-free steel

1982-03-12

1983-11-08

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 41, 204 56R, C25D 536

Patent

active

044140789

ABSTRACT:
A method for the pretreatment of tin-free steel which comprises an anodic treatment or an anodic treatment after a cathodic treatment of an acid pickled steel sheet in an alkaline electrolyte with a pH of above 8, said steel sheet consisting of an upper layer of hydrated chromium oxide and a lower layer of metallic chromium. This pretreated tin-free steel has excellent lacquer adhesion after aging in hot water and under retort conditions.

REFERENCES:
patent: 3075897 (1963-01-01), Higgs
patent: 3567599 (1971-03-01), Carter et al.
patent: 3642586 (1972-02-01), Shepard
patent: 3799814 (1974-03-01), Yamagishi et al.
patent: 4157944 (1979-06-01), Inui

Affiliated with

Also associated with

Rating

Method for pretreatment in the production of tin-free steel does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for pretreatment in the production of tin-free steel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for pretreatment in the production of tin-free steel will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2006420