Method for producing a galvanized ultra-high strength steel stri

Details Method for producing a galvanized ultra-high strength steel stri Method for producing a galvanized ultra-high strength steel stri

1992-04-27

1994-02-08

Beck, Shrive

Coating processes

With pretreatment of the base

Etching, swelling, or dissolving out part of the base

427321, 427329, 427377, 4273981, 427432, 427433, 427436, B05D 118

Patent

active

052846806

ABSTRACT:
A method for producing ultra-high strength galvanized steel strip from a martensitic, plain carbon, steel strip which is pre-treated by induction heating rapidly or by fluxing, then hot dip galvanized and tempered, and then cooled to stop further tempering. The resulting galvanized steel strip has a microstructure comprising tempered martensite, a tensile strength substantially greater than 120,000 psi (827 MPa) and a coating weight substantially greater than 30 g/m.sup.2 /side.

REFERENCES:
patent: 3378360 (1968-04-01), McFarland
patent: 4361448 (1982-11-01), Sippola
patent: 4408561 (1983-10-01), Yokoyama et al.

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