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発色用ステンレス鋼板とその製造方法

机译:用于显色的不锈钢板及其制造方法

摘要

PROBLEM TO BE SOLVED: To provide a stainless steel sheet for color development capable of forming a color developing film having color tone uniform in every coil produced, by way of controlling the composition of a passivation film formed on a stainless steel surface and the surface quality in a process of producing a HL product, and a method of producing the same.;SOLUTION: The stainless steel sheet for color development is characterized by having an arithmetic average roughness Ra of the surface of a raw material steel sheet in the vertical direction relative to the sheet passing direction of 0.30 to 1.00 μm, Rsk representing the skewness of the irregularity of the surface thereof of 0.7 to 1.0, and a CrF/FeF ratio namely the ratio of CrF representing the cation fraction of Cr present in the passivation film relative to FeF representing the cation fraction of Fe present in the passivation film of from 16.0 to 20.0.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2019,JPO&INPIT
机译:解决的问题:提供一种用于彩色显影的不锈钢板,其能够通过控制在不锈钢表面上形成的钝化膜的成分和表面质量来形成在每个生产的线圈中具有均匀色调的彩色显影膜。 SOLUTION:彩色显影用不锈钢钢板的特征在于,相对于垂直方向,原料钢板表面的算术平均粗糙度Ra相对于片材通过方向为0.30〜1.00μm,Rsk表示表面的凹凸的歪斜度为0.7〜1.0,Cr F / Fe F 比即表示存在于钝化膜中的Cr的阳离子分数的Cr F 与表示存在于钝化膜中的Fe的阳离子分数的Fe F 的比率为16.0至20.0 。; SELECTED DRAWING:图2;版权所有:(C)2019,日本特许厅&INPIT

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