Heat-resistant cold rolled ferritic stainless steel sheet, hot rolled ferritic stainless steel sheet for cold rolling raw material, and methods for producing same

A hot rolled ferritic stainless steel sheet for a material for cold rolling for manufacturing a heat-resistant cold rolled ferritic stainless steel sheet,

• the hot rolled ferritic stainless steel sheet comprising, in terms of mass %, 0.02% or less of C, 0.1% to 1.0% of Si, greater than 0.6% to 1.5% of Mn, 0.01% to 0.05% of P, 0.0001% to 0.0100% of S, 13.0% to 20.0% of Cr, 0.1% to 3.0% of Mo, 0.005% to 0.20% of Ti, 0.30% to 1.0% of Nb, 0.0002% to 0.0050% of B, 0.005% to 0.50% of Al, and 0.02% or less of N, with the balance being Fe and inevitable impurities,
• wherein when a sheet thickness of the hot rolled ferritic stainless steel sheet is represented by t′, a microstructure of the hot rolled ferritic stainless steel sheet in a region from t′/2 to t′/4 is a non-recrystallized microstructure, and
• with regard to a microstructure of the heat-resistant cold rolled ferritic stainless steel sheet, when a sheet thickness of the heat-resistant cold rolled ferritic stainless steel sheet is represented by t, {111}-oriented grains are present at an area ratio of 20% or greater in a region from a surface layer to t/4, {111}-oriented grains are present at an area ratio of 40% or greater in a region from t/4 to t/2, and {011}-oriented grains are present at an area ratio of 15% or less in the entire region in a thickness direction.