Soft magnetic stainless steel

Details Soft magnetic stainless steel Soft magnetic stainless steel

1986-04-14

1987-11-10

Andrews, Melvin J.

Metal treatment

Stock

Magnetic

148310, 420 41, 420 60, 420 61, 420 68, 420 70, C22C 3828

Patent

active

047055812

ABSTRACT:
A soft magnetic stainless steel consisting essentially of, by weight, up to 0.03% of C, 2.0 to 3.0% of Si, up to 0.40% of Mn, 0.015 to 0.050% of S, 10 to 13% of Cr, 0.05 to 0.20% of Ti, up to 0.03% of N, up to 0.010% of Al, and the balance of Fe and inevitable impurities, with a proviso that the C+N content is not more than 0.05%. The steel has a maximum permeability of not less than 4400 and a magnetic flux density of not less than 12,000 G as magnetic properties, together with a fatigue strength after welding of not lower than 120 kgf cm.sup.2, retains the magnetic properties even after annealing at a high temperature of 920.degree. C., and is excellent in electrical resistance, corrosion resistance, mechanical properties and machinability.

REFERENCES:
patent: 3615367 (1971-10-01), Tanczyn
patent: 4059462 (1977-11-01), Masumoto et al.

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