Free machining steel with bismuth

Details Free machining steel with bismuth Free machining steel with bismuth

1979-08-29

1981-01-27

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75123R, 75123A, 75123G, 75123N, 75129, 148 2, 148 12R, C22C 3860

Patent

active

042473268

ABSTRACT:
A free machining steel shape containing bismuth which functions as a liquid metal embrittler. The opportunity for bismuth to function as a liquid metal embrittler is increased by limiting the size of bismuth-containing inclusions to less than five microns.

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patent: 3152889 (1964-10-01), Holowaty
patent: 3152890 (1964-10-01), Holowaty
patent: 3634074 (1972-01-01), Ito et al.
patent: 3679400 (1972-07-01), Nachtman
patent: 3705020 (1972-12-01), Nachtman
patent: 3723103 (1973-03-01), Kato et al.
patent: 3973950 (1976-08-01), Itoh et al.
patent: 4004922 (1977-01-01), Thivellier et al.

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