Ferritic stainless steel plate

Details Ferritic stainless steel plate Ferritic stainless steel plate

2000-03-14

2009-11-10

Yee, Deborah (Department: 1793)

Metal treatment

Stock

Ferrous

C420S066000, C420S070000

Reissue Patent

active

RE040950

ABSTRACT:
The present invention provides a ferritic stainless steel sheet having excellent formability and excellent surface quality after forming. In specific means, the steel sheet contains, by mass %, 0.02 to 0.06% of C, 1.0% or less of Si, 1.0% or less of Mn, 0.05% or less of P, 0.01% or less of S, 0.005% or less of Al, 0.005% or less of Ti, 11 to 30% of Cr, 0.7% or less of Ni, the balance composed of Fe, and inevitable impurities, wherein N is contained to satisfy the relation to the C content represented by 0.06≦(C+N)≦0.12, and 1≦N/C, and V is contained to satisfy the relation to the N content represented by 1.5×10−3≦(V×N)≦1.5×10−2(wherein C, N and V: the contents (mass %) of the elements).

REFERENCES:
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patent: 4690798 (1987-09-01), Narutani et al.
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patent: 08-092652 (1996-04-01), None
patent: 10-176223 (1998-06-01), None
Peckner, D. et al.,Handbook of Stainless Steels, McGraw-Hill, 1977 (XP-002053955), p. 14.2.

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