Method of production of a wire-shaped composite addition...

Details Method of production of a wire-shaped composite addition... Method of production of a wire-shaped composite addition...

B - Operations, Transporting

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B21C 23/24 (2006.01) B21C 37/04 (2006.01) B22D 1/00 (2006.01) B22D 11/11 (2006.01) B22F 5/12 (2006.01) B23K 35/40 (2006.01) C21C 7/00 (2006.01) C21C 7/06 (2006.01)

Patent

CA 1044179

ABSTRACT OF THE DISCLOSURE An addition material in powder or particulate form comprising at least one addition agent selected from the group consisting of calcium, magnesium and aluminum is extruded to provide a compact core wire, which is envelope by a tape of iron or steel. The tape is circularly shaped such that one widthwise marginal portion is folded tightly over the other widthwise marginal portion in overlapping relation. The tape thus shaped serves as a protective covering for the core wire. Great lengths of continuous wire can be manufactured by the continuous production process. The wire shaped composite addition material produced in this way is added to molten iron and steel by means of continuous wire feeding and hereby provides for effective deoxidation and desulfurization of such melts. Furthermore the linear additive is easy to handle and to store.

252837

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