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Anisotropy inside the surface when forming to be small the low carbon which is superior in resistance rijingu Characteristic and resistance rough skin Characteristic is low the nitrogen ferritic stainless steel sheet and its production mannered
Anisotropy inside the surface when forming to be small the low carbon which is superior in resistance rijingu Characteristic and resistance rough skin Characteristic is low the nitrogen ferritic stainless steel sheet and its production mannered
PROBLEM TO BE SOLVED: To provide a ferritic stainless steel sheet having excellent plane anisotropy upon forming, ridging resistance and roughening resistance, and also to provide a method for producing the same.;SOLUTION: The ferritic stainless steel thin sheet with reduced plane anisotropy upon forming, excellent ridging resistance and roughening resistance has a steel composition containing, by mass, 0.005 to 0.030% C, 0.01 to 2.00% Si, 0.01 to 3.00% Mn, 0.040% P, ≤0.03% S, 12.5 to 22.0% Cr, 0.0005 to 0.2000% Al, 0.005 to 0.040% N and ≤0.050% C+N, and the balance iron with inevitable impurities, and in which the difference between the maximum value and the minimum value of tensile strength when, in the sheet face, a tensile test is performed to the three directions of 0°, 45° and 90° from the rolling direction is 20 MPa, and earing height upon cylindrical deep drawing at a contraction ratio of 2.0 is ≤2.0 mm.;COPYRIGHT: (C)2007,JPO&INPIT
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机译：解决的问题：提供一种在成形时具有优异的平面各向异性，耐起皱性和耐粗糙性的铁素体不锈钢薄板，并且还提供一种制造该方法的方法。成形性，优异的抗起皱性和耐粗糙性的钢组成按质量计包含0.005至0.030％C，0.01至2.00％Si，0.01至3.00％Mn，<0.040％P，＆le; 0.03％S，12.5至22.0％ Cr，0.0005至0.2000％Al，0.005至0.040％N和±0.050％C + N以及带有不可避免的杂质的余量铁，其中在拉伸强度的最大值和最小值之间存在差异在片材表面上，在0°，45°和3°这三个方向上进行拉伸试验。和90°轧制方向的<20 MPa，收缩比为2.0的圆柱体深冲时的耳垂高度为＆le; 2.0 mm .;版权：（C）2007，JPO＆INPIT
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