Addition agent for molten metals

Details Addition agent for molten metals Addition agent for molten metals

1979-04-23

1980-09-30

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 53, 75 58, C22C 3308

Patent

active

042253438

ABSTRACT:
An addition agent for the inoculation of a molten metal bath consists essentially of 50 to 90% by weight of a metal selected from the group consisting of alkali metal and alkaline earth metal having a particle size greater than 3 mm. but no more than 10 mm., 5 to 49% by weight of an inert porous material selected from the group consisting of semi-coke, coke, coke breeze and graphite, the porous material having a particle size greater than 3 mm. but no more than 20 mm., and 1 to 10% by weight of a binder which secures the metal particles and porous material particles together in a briquette, and can be coal pitch, coal bitumen, petroleum pitch, petroleum asphalt, or phenolic or furanic resin.

REFERENCES:
patent: 3656989 (1972-04-01), Layland
patent: 3953198 (1976-04-01), Easwaran
patent: 3969105 (1976-07-01), Ott
patent: 4083716 (1978-04-01), Yoshida

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