Method for electrolytically tin plating articles

Details Method for electrolytically tin plating articles Method for electrolytically tin plating articles

1982-12-02

1985-04-30

Kaplan, G. L.

Pipe joints or couplings

With casing, lining or protector

Lined

138DIG6, 148127, 204 25, 204 34, 204 371, 204 373, 204 384, 285355, C25D 704, C25D 550

Patent

active

045139954

ABSTRACT:
The thread of tubing to be used in the oil and gas industry and possibly additional services such as fee ing surfaces are cleaned, degreased, and pickled, nickel-coated without electric current at a layer thickness of about 1 micrometer, followed by electrolytic plating, preferably tin-plating, followed by storage at a temperature within the range from 150.degree. to about 200.degree., which is followed by brief heating for melting the tin coating, whereupon the article is quenched.

REFERENCES:
patent: 2084209 (1937-06-01), McIlroy
patent: 3242565 (1966-03-01), North et al.
patent: 4377302 (1983-03-01), Kohyama et al.

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