P-added ferritic stainless steel having excellent formability an

Details P-added ferritic stainless steel having excellent formability an P-added ferritic stainless steel having excellent formability an

1987-04-20

1989-04-25

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 62, 420 64, C22C 3832

Patent

active

048246352

ABSTRACT:
Ferritic stainless steel consisting essentially of, in % by weight, 0.0050 to 0.0500 of C, 10.00 to 18.00 of Cr, up to 0.50 of Si, up to 0.50 of Mn, more than 0.040 but not more than 0.200 of P, up to 0.030 of S, up to 0.60 of Ni, 0.005 to 0.200 of Sol. Al, and 0.0020 to 0.0050 of B, the balance being Fe and impurities, and having a longitudinal cracking transition temperature of not higher than -10.degree. C. as determined by the cup expansion test hereinbefore described. The steel has excellent formability and secondary workability.

REFERENCES:
patent: 4581066 (1986-04-01), Maruhashi et al.

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