Method of making products of aluminium alloy suitable for drawin

Details Method of making products of aluminium alloy suitable for drawin Method of making products of aluminium alloy suitable for drawin

1983-02-25

1984-04-10

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

148 115A, 148 315, C22F 104

Patent

active

044419333

ABSTRACT:
The invention relates to a method of making sheets of aluminium suitable for drawing.
The method according to the invention comprises subjecting the product issuing from a continuous casting machine to a mechanical cleaning treatment and then to a controlled heat treatment in air at elevated temperature.
The method according to the invention is applicable in every case where aluminium products, such as strips etc. are subjected to drawing or reducing operations and in cases where it is desired to eliminate galling phenomena and to guarantee aesthetic qualities. The method according to the invention is used in particular in the manufacture of cans from blanks obtained by casting between cylinders.

REFERENCES:
patent: 4039356 (1977-08-01), Schumacher et al.
patent: 4111721 (1978-09-01), Hitchler et al.
patent: 4163665 (1979-08-01), Pearson
patent: 4235646 (1980-11-01), Neufeld et al.
patent: 4269632 (1981-05-01), Robertson et al.
patent: 4318755 (1982-03-01), Jeffrey et al.

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