Method of manufacturing a lead alloy steel and a steel made acco

Details Method of manufacturing a lead alloy steel and a steel made acco Method of manufacturing a lead alloy steel and a steel made acco

1978-11-22

1980-05-20

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75130R, C22C 3308

Patent

active

042037638

ABSTRACT:
Lead alloy steels, containing 0.15-0.35% of lead in the form of inclusions of average diameter less than 100 .mu.m evenly distributed over a cross-sectional area, and without a tendency to macrosegregation of lead, are prepared by injecting into a steel melt lead containing particles of diameter less than 5 mm in an inert carrier gas which is injected at a rate sufficient to stir the melt and distribute the lead uniformly.

REFERENCES:
patent: 3545960 (1970-12-01), McClellan
patent: 3671224 (1972-06-01), North
patent: 3728109 (1973-04-01), Okubo
patent: 3756805 (1973-09-01), Ormaechea
patent: 3836359 (1974-09-01), Thomas
patent: 3955966 (1976-05-01), Meichsner
patent: 3998625 (1976-12-01), Koros

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