High manganese nonmagnetic steel having excellent machinability

Details High manganese nonmagnetic steel having excellent machinability High manganese nonmagnetic steel having excellent machinability

1980-12-29

1982-05-11

Sheehan, John P.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75123N, 75126B, C22C 3806

Patent

active

043291724

ABSTRACT:
The nonmagnetic alloy consists of 0.22-0.30% by weight of carbon, 22-28% by weight of manganese, up to 4% by weight of silicon, 0.030-0.10% by weight of sulphur, 0.001-0.008% by weight of calcium, 0.001-0.008% by weight of sol.Al and the balance of iron. If desired, either one or both of up to 2.0% by weight of chromium and up to 2.0% by weight of vanadium may be incorporated.

REFERENCES:
patent: 2157146 (1939-05-01), Riedrich
patent: 4004922 (1977-01-01), Thiveller et al.
patent: 4240827 (1980-12-01), Aihara et al.
patent: 4256516 (1981-03-01), Ouchi et al.

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