Method of manufacturing an article of non-magnetic austenitic al

Details Method of manufacturing an article of non-magnetic austenitic al Method of manufacturing an article of non-magnetic austenitic al

1983-03-01

1985-04-30

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148137, 148 12E, 148 124, C22C 3840

Patent

active

045142360

ABSTRACT:
A non-magnetic austenitic alloy steel capable of producing the magnetic properties required in items such as Drill Collars in the as-rolled or as-rolled and direct quenched condition.
The steel composition includes by weight up to 0.5% carbon from 10 to 25% manganese, up to 20% chromium, not less than 0.2% nitrogen and from 0.2% nitrogen and from 0.2 to 2.0% vanadium.

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patent: 4302248 (1981-11-01), Kasamatsu et al.
patent: 4373951 (1983-02-01), Ouchi et al.
patent: 4450008 (1984-05-01), Andreini et al.

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