High strength, high carbon steel wire

Details High strength, high carbon steel wire High strength, high carbon steel wire

2005-09-27

2005-09-27

Yee, Deborah (Department: 1742)

Metal treatment

Stock

Ferrous

C148S330000, C148S595000, C148S598000, C148S599000

Reexamination Certificate

active

06949149

ABSTRACT:
To achieve a drawn wire with a tensile strength defined by the equation of Y=Yoexp(A2εd) wherein Y is the tensile strength in MPa (N/mm2), Yois the strength of as patented wire, A2is a coefficient dependant on wire chemistry and drawing conditions, and εdis a total true drawing strain, a high carbon steel wire contains 0.95 to 1.3% carbon and a combination of chromium, manganese, silicon, cobalt, niobium, and boron is processed such that the bright wire of an intermediate diameter has a structure void of micro cracks, patented to produce a desired microstructure with defined inter-lamella spacing and austenite grain, coated with brass, and fine drawn with an optimized die draft schedule at a specified true strain.

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