High strength cobalt-free maraging steel

Details High strength cobalt-free maraging steel High strength cobalt-free maraging steel

1984-03-07

1986-04-01

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75128W, 148 37, 148142, C22C 3850

Patent

active

045795908

ABSTRACT:
High strength and toughness cobalt-free maraging steel containing, by mass, 11 to 15% Ni, 0.5 to 4% Cr, 0.5 to 5.5% Mo, 0.5 to 2% Ti, 0.05% max. C, 1% max. Mn and 0.5% max. Si, the balance consisting of iron and unavoidable impurities. The amounts of Ni, Mo and Ti in the steel have the following relationship to one another: ##EQU1## A process for heat treating this steel is also disclosed.

REFERENCES:
patent: 3262777 (1966-07-01), Sadowski
patent: 3262823 (1963-06-01), Sadowski et al.
patent: 3392065 (1968-07-01), Bieber et al.
patent: 4443254 (1984-04-01), Floreen
patent: 4514235 (1985-04-01), Augustin et al.
Krass, G., Principles of Heat Treatment of Steel., 1980, p. 53.

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