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1. 发明公开

EP3501680A1 COLORED STAINLESS STEEL PLATE, COLORED STAINLESS STEEL COIL AND MANUFACTURING METHOD THEREOF 有权
公开(公告)号：EP3501680A1
公开(公告)日：2019-06-26
申请号：EP18748059.5
申请日：2018-01-31
申请人： Abel Co., Ltd.
发明人： IAI, Hideki , IAI, Kosuke , AOKI, Yoshikazu
IPC分类号： B21B1/22 , B21B3/02 , C23C22/24 , C25D11/34 , C25D11/38
摘要： In press molding, a colored stainless steel plate and a colored stainless steel coil which are excellent in galling resistance and moldability and have high strength in molded articles, and a method of manufacturing the same.
A color coating layer 11 is formed on the surface of a stainless steel plate 10 by a chemical coloring method or an electrolytic coloring method. Thereafter, a colored stainless steel plate 1 having the color coating layer is cold-rolled, the thickness of the color coating layer 11 is adjusted to 0.05 µm or more to 1.0 µm or less, and an entire plate thickness is adjusted to 0.5 mm or less. By the cold rolling a Vickers hardness Hv is 250 or more to 550 or less to form a deformed band 5. As surface roughness, an arithmetic average roughness Ra is adjusted to 0.05 µm or more to 5.0 µm or less. In this manner, the strength and rigidity of a thin colored stainless steel plate can be secured, and a color stainless steel plate 1 and a colored stainless steel coil which do not easily cause galling and are excellent in press moldability can be obtained.

2. 发明公开

EP3124654A1 STAINLESS STEEL PLATE 有权
标题翻译： EDELSTAHLPLATTE
公开(公告)号：EP3124654A1
公开(公告)日：2017-02-01
申请号：EP15769149.4
申请日：2015-03-27
申请人： Abel Co., Ltd.
发明人： IAI, Hideki , IAI, Kosuke , AOKI, Yoshikazu
IPC分类号： C25D11/34 , C22C38/00 , C22C38/22 , C22C38/44 , C23C22/24 , C23F1/28 , C23F17/00 , C25D11/00 , C25D11/38
摘要： Provided is a stainless steel plate having superior galling resistance and press formability during press forming even using general-purpose stainless steel and using an extreme pressure additive, such as a non-chlorine-based additive, and low viscosity press oil. A stainless steel plate (10) includes, for example, plate shaped stainless steel (12). On one main surface of the stainless steel (12), a depression (12a) with a cross-sectional triangular shape is formed along a grain boundary exposed on a base surface of the stainless steel (12). A surface coating (14) is formed on the one main surface of the stainless steel (12), which contains the surface of the depression (12a). The surface film (14) is an oxide and/or a hydroxide with Fe and Cr as main components, and the surface film has a thickness of 0.1 - 3.0 µm. In addition, this surface film (14) contains an atomic percent of Cr of 10% or greater with the remainder being substantially Fe and has an oxide coating and/or hydroxide coating with a thickness of 0.1 - 3.0 µm.
摘要翻译：本发明提供一种不锈钢板，即使使用通用不锈钢，也可以使用极压添加剂，例如非氯系添加剂，低粘度压榨油，在冲压成形时具有优异的耐磨损性和冲压加工性。不锈钢板（10）包括例如板状不锈钢（12）。在不锈钢（12）的一个主表面上，沿着暴露在不锈钢（12）的基面上的晶粒边界形成具有横截面三角形形状的凹陷（12a）。在不锈钢（12）的一个主表面上形成表面涂层（14），该表面包含凹陷（12a）的表面。表面膜（14）是以Fe和Cr为主成分的氧化物和/或氢氧化物，表面膜的厚度为0.1〜3.0μm。此外，该表面膜（14）的Cr的原子百分比为10％以上，余量基本上为Fe，具有厚度为0.1〜3.0μm的氧化物涂层和/或氢氧化物涂层。

3. 发明授权

EP3124654B1 STAINLESS STEEL PLATE 有权
公开(公告)号：EP3124654B1
公开(公告)日：2020-07-29
申请号：EP15769149.4
申请日：2015-03-27
申请人： Abel Co., Ltd.
发明人： IAI, Hideki , IAI, Kosuke , AOKI, Yoshikazu
IPC分类号： C25D11/34 , C22C38/00 , C22C38/22 , C22C38/44 , C23C22/24 , C23F1/28 , C23F17/00 , C25D11/00 , C25D11/38 , C25D9/06 , C25D9/10 , C22C30/00 , C22C38/40

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