Metal treatment – Compositions – Heat treating
Patent
1975-04-09
1977-04-12
Dean, R.
Metal treatment
Compositions
Heat treating
24153UC, 24261PC, 75141, 75142, 75143, 140 82, 148 32, C22F 104
Patent
active
040173372
ABSTRACT:
A clip exhibiting improved corrosion resistance and reduced weight is processed by a drawing operation which is preferably conducted without interannealing treatments and which may employ a variation of drawing speeds. The clip of the present invention is prepared from an aluminum base alloy comprising from about 0.05-6.0% silicon, about 0.10-0.8% iron, about 0.02-0.3% copper, up to 1.0% manganese and up to 7.0% magnesium. The resulting clips possess comparable tensile properties to conventional tin and zinc-coated steel clips with an economy of processing.
REFERENCES:
patent: 2501440 (1950-03-01), Dix
patent: 3232796 (1966-02-01), Anderson
Graham Douglas L.
Lanam Richard
Winter Joseph
Bachman Robert H.
Dean R.
Swiss Aluminium Ltd.
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