Composite product with a tubular casing for treating molten meta

Details Composite product with a tubular casing for treating molten meta Composite product with a tubular casing for treating molten meta

1988-01-26

1989-09-05

Lechert, Jr., Stephen J.

Alloys or metallic compositions

Aluminum base

Titanium, zirconium, hafnium, vanadium, niobium, or tantalum...

428554, 428557, 428558, 419 8, 419 9, B22F 300

Patent

active

048638030

ABSTRACT:
The invention relates to a composite product of substantial length for the treatment of metal baths which is formed by a tubular metal casing (2) within which are housed the treatment material or materials in powder form and which comprises an axial zone (4) containing a first material surrounded by a tubular metal intermediate wall (3) and an annular zone (6) between the casing and the intermediate wall and which also contains a second material.
Such a composite product in which the axial zone contains at least one element selected from calcium and magnesium can be used in particular for the desulphurization of iron or steel baths.

REFERENCES:
patent: 4531982 (1985-07-01), Dubots

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