Aluminum paper clip and method of preparation

Details Aluminum paper clip and method of preparation Aluminum paper clip and method of preparation

C - Chemistry, Metallurgy

22

C

205/32, 75/82

C22C 21/04 (2006.01) B42F 1/02 (2006.01)

Patent

CA 1075936

ABSTRACT OF THE DISCLOSURE A paper clip exhibiting improved corrosion resistance and reduced weight is prepared from an aluminum base alloy comprising from about .05-6.0 weight percent silicon, about 0.10-0.8 weight percent iron, about 0.02-0.3 weight percent copper, up to 1.0 weight percent manganese and up to 7.0 weight percent magnesium. The paper clip of the present invention is processed by a drawing operation which is preferably conducted without interannealing treatments and which may employ a variation of drawing speeds. The resulting clips possess comparable tensile properties to conventional tin and zinc- coated steel paper clips with an economy of processing.

249818

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