Method for producing steel wires intended for the manufacture of

Details Method for producing steel wires intended for the manufacture of Method for producing steel wires intended for the manufacture of

1993-01-14

1995-04-18

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Channel shape

428606, 428684, 148320, 148321, 148322, 148324, C22C 3802, C22C 3804

Patent

active

054077443

ABSTRACT:
A method of producing steel wires intended for the manufacture of flexible conduits, steel wires obtained by this method, and flexible conduits reinforced by such wires is characterized by the fact that, for a given strain-hardening rate of the initial wire, a heat treatment is carried out under conditions of time and temperature such that the steel wire obtained after treatment has a mechanical rupture strength (Rm) greater than 850 MPa and a structure containing little free ferrite.

REFERENCES:
patent: 2527731 (1949-03-01), Ilacqua et al.
patent: 3264144 (1966-08-01), Frazier et al.
patent: 3591427 (1971-07-01), Hansen, Jr.
patent: 3668020 (1972-06-01), Lucht
patent: 3950190 (1976-04-01), Lake
patent: 4067754 (1978-01-01), Elias
patent: 4585062 (1986-04-01), Tiberg
Patent Abstracts of Japan, vol. 14, No. 47 (C-682), 9 Dec. 1990 & JP-A-1 279 710 (Nippon Steel) 10 Nov. 1989.

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