Process for making nonmagnetic steel

Details Process for making nonmagnetic steel Process for making nonmagnetic steel

1980-11-26

1983-06-07

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 59, 75 60, C21C 532, C21C 534

Patent

active

043869572

ABSTRACT:
A method of making a nonmagnetic, austenitic, manganese-chromium-nickel-nitrogen stainless steel uses intermediate addition of ferroalloys and novel mixtures of oxygen and nitrogen to maintain the temperature of the melt below about 3150.degree. F. (1732.degree. C.). The method improves on the economics of making specialty steels by reducing the cost of raw materials and refractories.

REFERENCES:
patent: 16082 (1856-11-01), Bessemer
patent: 3169058 (1965-02-01), Nelson
patent: 4160664 (1979-07-01), Maruhashi
patent: 4168158 (1979-09-01), Iwaoka
patent: 4170467 (1979-10-01), Kaito
patent: 4174212 (1979-11-01), Bauer

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