Ferritic stainless steel having excellent formability

Details Ferritic stainless steel having excellent formability Ferritic stainless steel having excellent formability

1982-12-28

1984-08-14

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

75124, 75125, 75126P, 75128F, C22C 3832, C22C 3854

Patent

active

044655258

ABSTRACT:
A ferritic stainless steel having excellent formability, for example, in a deep drawing procedure, contains 0.04 to 0.1 weight % of C, 1.0 weight % or less of Si, 0.75 weight % or less of Mn, 10 to 30 weight % of Cr, 0.5 weight % or less of Ni, 0.025 weight % or les of N, 2 to 30 ppm of boron, and optionally, 0.005 to 0.4 weight % of an additional alloy component consisting of Al and, further optionally, a further additional alloy component consisting of at least one member selected from 0.005 to 0.6 weight % of Ti, 0.005 to 0.4 weight % of Nb, V, and Zr, 0.02 to 0.50 weight % of Cu, and 0.05 weight % or less of Ca and Ce, the sum of the contents of C and N being 0.0502 weight % or more.

REFERENCES:
patent: 2590835 (1952-04-01), Kirkby et al.
patent: 2848323 (1958-08-01), Harris et al.
patent: 3753788 (1973-08-01), Fogarty et al.
patent: 3778316 (1973-12-01), Pinnow et al.
patent: 3856515 (1974-12-01), Brandis et al.
patent: 3890143 (1975-06-01), Skoglund et al.
patent: 3957544 (1976-05-01), Pinnow et al.
patent: 4155752 (1979-05-01), Oppenheim et al.

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