Process for the preparation of rope and spring wire of carbon st

Details Process for the preparation of rope and spring wire of carbon st Process for the preparation of rope and spring wire of carbon st

1978-11-08

1980-05-13

Kendall, Ralph S.

Coating processes

Applying superposed diverse coating or coating a coated base

Metal coating

427433, 428659, C23C 102, C23C 104

Patent

active

042029210

ABSTRACT:
The invention refers to a process for the preparation of carbon steel wire for cables and springs and having an improved resistance to corrosion. The invention is characterized in that in a first step, a conventional hot galvanizing bath (bath No. 1) is used for plating, and in a second plating step, a bath (bath No. 2) is used consisting of an alloy of zinc and one or more of the metals Sn, Cd, Al, Pb, Cu and Ni, at a temperature not less than 30.degree. C. and not more than 75.degree. C. above the liquidus temperature of said alloy composition. The wire thus treated is used for the preparation of cables and springs.

REFERENCES:
patent: 909869 (1909-01-01), Clamer
patent: 1948505 (1934-02-01), Bray
patent: 2063721 (1936-12-01), Bradley
patent: 2258327 (1941-10-01), Kramer
patent: 3730758 (1973-05-01), Laidman
Thomas, Stahl und Eisen (1966), Verlag Stahleisen, m.b.H in Dusseldorf, pp. 1481-1486.
Burns et al., Protective Coatings for Metals, Reinhold Pub. Corp., 1955 p. 169.

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