Process for producing sheets and strip of zinc-copper-titanium a

Details Process for producing sheets and strip of zinc-copper-titanium a Process for producing sheets and strip of zinc-copper-titanium a

1976-03-08

1977-10-04

Baldwin, Robert D.

Metal founding

Process

Shaping liquid metal against a forming surface

75178C, B22D 1112

Patent

active

040518876

ABSTRACT:
Deep-drawable sheets and strip are produced on a continuous casting machine with moving flexible belts and continuous finish-rolling without change of direction from a zinc-copper-titanium rolling alloy which is creep-resistant according to DIN 17 770 and foldable according to DIN 1 623. The alloy contains 1.5 to 5.5% copper, 0.05 to 0.25% titanium and, if desired, 0.005 to 0.05% aluminum, balance zinc. The zinc-copper-titanium alloy, wherein an increase in copper content is accompanied by a decrease in titanium content, is continuously cast into a slab having a thickness of 6-24 mm and a width from about 0 to 2000 mm, preferably 500-1500 mm. The slab is caused to solidify simultaneously and uniformly from both sides at a constant volumetric solidification rate and the slab is subjected to hot-rolling at temperatures above 100.degree. C and at least 3, preferably 5 passes, each of which results in a reduction in cross-section not in excess of 80%.

REFERENCES:
patent: 3426836 (1969-02-01), Altenpohl et al.

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