| 摘要 |
PROBLEM TO BE SOLVED: To enhance corrosion resistance of a burring processing part end surface of a ferritic stainless steel sheet used in atmospheric environment without using an anticorrosive treatment.SOLUTION: A ferritic stainless steel sheet contains, by wt.%, C:0.02% or less, Si:0.01 to 0.8%, Mn:0.01 to 1.0%, P:0.04% or less, Al:0.04 to 0.1%, Cr:10 to 15%, Cu:0.01 to 0.4%, Ni:0.01 to 0.2%, N:0.02% or less, O:0.0005 to 0.0050%, Sn:0.005 to 0.4% and the balance Fe with inevitable impurities, and has an r value in 45° direction to a rolling direction of 1.1 or more and Al oxide with major axis of 10 μm or more in the steel of less than 10 per 5 mm.SELECTED DRAWING: None |
