Aluminum alloy can stock process of manufacture

Details Aluminum alloy can stock process of manufacture Aluminum alloy can stock process of manufacture

1984-09-10

1986-09-30

Godici, Nicholas P.

Metal founding

Process

Shaping liquid metal against a forming surface

164432, 164481, 164485, B22D 1106

Patent

active

046142240

ABSTRACT:
Aluminum alloy sheet for use in drawn and ironed can bodies, having a content of 0.45-0.8% Mn, 1.1-2.2% Mg, 0.3-1.2% Fe, and 0.1-0.50% Si, produced by casting a continuous strip ingot of the alloy between chilled moving belts while maintaining a heat flux of at least about 40 cal./cm..sup.2 /sec. through the belts such that the as-cast ingot has a cell size ranging from about 10-15 microns at its surfaces to about 23-30 microns at the center of its thickness, and reducing the ingot by rolling operations including cold rolling to can body stock gauge, the cold-rolled product having a maximum constituent particle size of about 2 microns at the surface and about 3-4 microns at the center.

REFERENCES:
patent: 4235646 (1980-11-01), Neufeld
patent: 4238248 (1980-12-01), Gyongyos

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