Partially alloyed galvanize product

Details Partially alloyed galvanize product Partially alloyed galvanize product

1977-07-25

1978-11-14

Andrews, M. J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C23C 102

Patent

active

041256794

ABSTRACT:
A partially alloyed galvanized ferrous strand and a method for its production. The method is characterized by the steps of immersing a clean and oxide-free ferrous strand in a molten zinc galvanizing bath to produce on the strand a coating weight of between 0.2 and 0.5 oz. per square foot. After immersion, the zinc-coated ferrous strand is heat treated and cooled to produce a galvanized coating on said ferrous strand, which coating has a duplex structure characterized by an iron-zinc intermetallic layer consisting essentially of the zeta phase, an overlay of free zinc, and an average iron content between about 2 and less than 4% by weight.

REFERENCES:
patent: 3278331 (1966-10-01), Taylor et al.
patent: 3320040 (1967-05-01), Roe et al.
patent: 3619247 (1971-11-01), Newport et al.

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