Low cobalt-containing maraging steel with improved toughness

Details Low cobalt-containing maraging steel with improved toughness Low cobalt-containing maraging steel with improved toughness

1988-07-11

1989-05-23

Yee, Deborah

Alloys or metallic compositions

Ferrous

Over 10 percent nickel containing

420 96, 148328, 148336, C22C 3808

Patent

active

048329096

ABSTRACT:
A low cobalt maraging steel has a yield strength of at least about 240 ksi (about 1655 MPa) in the aged condition in combination with good toughness as indicated by a longitudinal Charpy V-notch impact toughness of at least aobut 20 ft-lb (about 27 J), as well as good notch ductility. The alloy contains, in weight percent, about:

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