Nippon Steel Stainless Steel Corporation

Koh Nishimura

Junichi Hamada

Yoshiharu Inoue

A ferritic stainless steel sheet is provided that has a chemical composition consisting of, in mass %, C: 0.001 to 0.020%, Si: 0.02 to 1.50%, Mn: 0.02 to 1.50%, P: 0.01 to 0.05%, S: 0.0001 to 0.01%, Cr: 10.0 to 25.0%, Ti: 0.01 to 0.30%, N: 0.001 to 0.030%, and optional elements, with the balance being Fe and unavoidable impurities, wherein: a grain size number is 6 or more; the ferritic stainless steel sheet satisfies the formulas [A+B&#x2265;12.0/t], [X+Y&#x2265;12.0/(t&#x2212;0.3)] and [(X+Y)&#x2212;(A+B)&#x2264;5.0] with respect to crystal orientation intensities of a ferrite phase obtained by X-ray diffraction; and the sheet thickness is 1.0 mm or more.

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Tokyo, Japan

Koh Nishimura