Method for producing a corrosion-resistant composite wire

Details Method for producing a corrosion-resistant composite wire Method for producing a corrosion-resistant composite wire

1993-03-30

1994-11-22

Zimmerman, John

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148529, 148532, 148534, 228130, C22F 300, C21D 952, H05B 718

Patent

active

053665694

ABSTRACT:
The object of the invention is a corrosion-resistant composite wire with diameters <10 mm, which has a concentric, homogeneous high-grade steel coating, wherein this coating, depending on the diameter of the wire and the application, can vary 15-30% by volume, and its strength can vary, depending on the core wire used and the degree of forming, up to .ltoreq.2000 N/mm.sup.2. To produce such a composite wire, for example, a high-strength, patented and surface-pretreated steel wire is sheathed with a strip of high-grade steel. In the first forming step, the longitudinally welded high-grade steel sheath is pressed tightly onto the core wire and in subsequent drawing steps, the composite wire is drawn to the final dimensions. At least between two forming steps, there is a selective annealing treatment of the composite wire by means of a rotary arc, whereby only the high-grade steel layer is heated to the annealing temperature.

REFERENCES:
patent: Re28526 (1975-08-01), Ziemek
patent: 1963745 (1934-06-01), Ingersoll et al.
patent: 3854193 (1974-12-01), Yamaguchi et al.
patent: 3894675 (1975-07-01), Klebl et al.
patent: 4134528 (1979-01-01), Bahre et al.
patent: 4156500 (1979-05-01), Yoshida et al.
patent: 4819858 (1989-04-01), Malone et al.

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