FERRITE-BASED STAINLESS STEEL PLATE HAVING EXCELLENT RESISTANCE AGAINST SCALE PEELING AND METHOD FOR MANUFACTURING SAME

摘要

is a ferritic stainless steel sheet are mass%, C: 0.02% or less, N: 0.02% or less, Si: 0.05% or more 0.80% or less, Mn: 0.05% or more 1.00% or less, P: 0.04% or less, S: 0.01% or less, Cr: 12% or more 20% or less, Cu: 0.80% or more 1.50% or less, Ni: 1.0% or less, Mo: 0.01% or more 2.00% or less, Nb: 0.30% or more 1.00% or less, Ti: 0.01% to less than 0.25%, Al: 0.01% to less than 0.15%, B:: 0.003% or 0.46% or less, V 0.0002, and containing% or more than 0.0050%, and satisfies the equation 1 or equation 2, and the remaining portion Fe and unavoidable impurities, an average Cu concentration in the depth within 200 3.00% or less from the surface. for Mn 0.65% [equation 1] for Mn 0.65% [equation 2]