Ferritic stainless steel sheet and method of producing same

A ferritic stainless steel sheet, comprising

• a chemical composition containing, in mass %,
• C:
• 0.001% to 0.030%,
• Si:
• 0.10% to 1.00%,
• Mn:
• 0.10% to 1.00%,
• P:
• 0.050% or less,
• S:
• 0.010% or less,
• Cr:
• 10.0% to 24.0%,
• Ni:
• 0.01% to 1.00%,
• Al:
• 0.010% to 0.100%,
• N:
• 0.001% to 0.030%, and
• Ti:
• 0.15% to 0.40%,
• with a balance of Fe and inevitable impurities,
• wherein a thickness of the ferritic stainless steel sheet is 5.0 mm or more, and a difference between a maximum value and a minimum value of Vickers hardness in a direction of the thickness is HV 50 or less.