公开(公告)号：US20050123786A1

公开(公告)日：2005-06-09

申请号：US10507148

申请日：2003-01-09

申请人： Kazuhiko Honda ,  Akira Takahashi ,  Yoshihiro Suemune ,  Hidetoshi Hatanaka ,  Tsuyoshi Miyake ,  Wataru Yamada ,  Koki Tanaka

发明人： Kazuhiko Honda ,  Akira Takahashi ,  Yoshihiro Suemune ,  Hidetoshi Hatanaka ,  Tsuyoshi Miyake ,  Wataru Yamada ,  Koki Tanaka

IPC分类号： B32B15/01 ,  C22C18/00 ,  C22C18/04 ,  C23C2/06 ,  C23C2/12 ,  B32B15/00

CPC分类号： B32B15/013 ,  C22C18/00 ,  C22C18/04 ,  C23C2/06 ,  C23C2/12 ,  Y10T428/12736 ,  Y10T428/12757 ,  Y10T428/12771 ,  Y10T428/12799 ,  Y10T428/12972 ,  Y10T428/12993

摘要： The present invention provides a plated steel material, said plated steel material having a plated layer which contains Al of 4% or more in mass, excellent in surface smoothness even when a cooling rate is low. In the present invention: a plated layer which contains Al of 4% or more in mass and has an Al-type intermetallic compound in an Al phase or abutting on an Al phase is formed on the surface of a steel material; in particular, high corrosion-resistance is secured in various environments by using a plated layer containing Al of 4 to 20% and Mg of 1 to 10% in mass with the balance consisting of Zn and unavoidable impurities or a plated layer containing Al of 4 to 20%, Mg of 1 to 10% and Si of 0.001 to 2% in mass with the balance consisting of Zn and unavoidable impurities; said plated layer contains an intermetallic compound having a melting point of 600° C. or higher by 0.001 to 0.5% in mass; and a plated steel material having an excellent surface smoothness is obtained by using an Al-type intermetallic compound wherein at least one of the lattice constants is in the range from 3 to 5 Å.

摘要翻译： 本发明提供一种电镀钢材料，所述电镀钢材料具有镀层，其含有质量为4％以上的Al，即使在冷却速度低的情况下也具有优异的表面平滑性。 在本发明中，在钢材的表面上形成含有Al量为4％以上并具有Al相或Al相的Al系金属间化合物的Al的镀层， 特别地，通过使用含有4〜20％的Al的镀层和1〜10质量％的Mg，余量由Zn和不可避免的杂质构成的镀层或含有Al的镀层4，可以确保在各种环境下的高耐腐蚀性 至20％，Mg为1〜10％，Si为0.001〜2质量％，余量由Zn和不可避免的杂质构成; 所述镀层含有熔点为600℃以上0.001〜0.5质量％的金属间化合物; 并且通过使用其中至少一个晶格常数在3至5范围内的Al型金属间化合物，获得具有优异表面平滑度的电镀钢材料。

公开(公告)号：US07238431B2

公开(公告)日：2007-07-03

申请号：US10507148

申请日：2003-01-09

申请人： Kazuhiko Honda ,  Akira Takahashi ,  Yoshihiro Suemune ,  Hidetoshi Hatanaka ,  Tsuyoshi Miyake ,  Wataru Yamada ,  Koki Tanaka

发明人： Kazuhiko Honda ,  Akira Takahashi ,  Yoshihiro Suemune ,  Hidetoshi Hatanaka ,  Tsuyoshi Miyake ,  Wataru Yamada ,  Koki Tanaka

IPC分类号： B32B15/04 ,  B32B15/18 ,  B32B15/20

CPC分类号： B32B15/013 ,  C22C18/00 ,  C22C18/04 ,  C23C2/06 ,  C23C2/12 ,  Y10T428/12736 ,  Y10T428/12757 ,  Y10T428/12771 ,  Y10T428/12799 ,  Y10T428/12972 ,  Y10T428/12993

摘要： The present invention provides a plated steel material, said plated steel material having a plated layer which contains Al of 4% or more in mass, excellent in surface smoothness even when a cooling rate is low. In the present invention: a plated layer which contains Al of 4% or more in mass and has an Al-type intermetallic compound in an Al phase or abutting on an Al phase is formed on the surface of a steel material; in particular, high corrosion-resistance is secured in various environments by using a plated layer containing Al of 4 to 20% and Mg of 1 to 10% in mass with the balance consisting of Zn and unavoidable impurities or a plated layer containing Al of 4 to 20%, Mg of 1 to 10% and Si of 0.001 to 2% in mass with the balance consisting of Zn and unavoidable impurities; said plated layer contains an intermetallic compound having a melting point of 600° C. or higher by 0.001 to 0.5% in mass; and a plated steel material having an excellent surface smoothness is obtained by using an Al-type intermetallic compound wherein at least one of the lattice constants is in the range from 3 to 5 Å.

摘要翻译： 本发明提供一种电镀钢材料，所述电镀钢材料具有镀层，其含有质量为4％以上的Al，即使在冷却速度低的情况下也具有优异的表面平滑性。 在本发明中，在钢材的表面上形成含有Al量为4％以上并具有Al相或Al相的Al系金属间化合物的Al的镀层， 特别地，通过使用含有4〜20％的Al的镀层和1〜10质量％的Mg，余量由Zn和不可避免的杂质构成的镀层或含有Al的镀层4，可以确保在各种环境下的高耐腐蚀性 至20％，Mg为1〜10％，Si为0.001〜2质量％，余量由Zn和不可避免的杂质构成; 所述镀层含有熔点为600℃以上0.001〜0.5质量％的金属间化合物; 并且通过使用其中至少一个晶格常数在3至5范围内的Al型金属间化合物，获得具有优异表面平滑度的电镀钢材料。

公开(公告)号：US07534502B2

公开(公告)日：2009-05-19

申请号：US10501188

申请日：2003-01-08

申请人： Kazuhiko Honda ,  Akira Takahashi ,  Yoshihiro Suemune ,  Hidetoshi Hatanaka ,  Tsuyoshi Miyake

发明人： Kazuhiko Honda ,  Akira Takahashi ,  Yoshihiro Suemune ,  Hidetoshi Hatanaka ,  Tsuyoshi Miyake

IPC分类号： B32B15/00

CPC分类号： B32B15/013 ,  B32B15/015 ,  C22C18/00 ,  C22C18/04 ,  C23C2/06 ,  C23C2/26 ,  Y10T428/12799

摘要： The object of the present invention is to provide a plated steel sheet capable of securing excellent post-painting corrosion resistance and brightness, and the present invention makes it possible to produce a plated steel sheet excellent in post-painting corrosion resistance and paint coat image clarity by further adding one or more elements selected from among 0.01 to 0.5% of Ca, 0.01 to 0.2% of Be, 0.0001 to 0.2% of Ti, 0.1 to 10% of Cu, 0.001 to 0.2% of Ni, 0.01 to 0.3% of Co, 0.0001 to 0.2% of Cr and 0.01 to 0.5% of Mn, in mass, to the plated layer of the plated steel sheet which is characterized in that the center line average roughness Ra of the Zn alloy plated steel sheet is 1.0 μm or less and the filtered waviness curve WCA thereof is 0.8 μm or less, the Zn alloy plated steel sheet having on the surface thereof the plated layer containing 1 to 10% of Mg, 2 to 19% of Al and 0.001 to 2% of Si in mass and other elements the total amount of which is suppressed to 0.5% or less in mass, with the balance consisting of Zn.

摘要翻译： 本发明的目的是提供一种能够确保优异的后涂漆耐腐蚀性和亮度的电镀钢板，并且本发明使得可以制备出色的耐后蚀性和涂漆图像清晰度的镀覆钢板 通过进一步添加选自0.01〜0.5％的Ca，0.01〜0.2％的Be，0.0001〜0.2％的Ti，0.1〜10％的Cu，0.001〜0.2％的Ni，0.01〜0.3％的Ni， Co，镀覆钢板的镀层的Cr，0.0001〜0.2％，Mn：0.01〜0.5％，其特征在于，镀锌钢板的中心线平均粗糙度Ra为1.0μm， 并且其滤波波纹曲线WCA为0.8μm以下，其表面镀锌层的Zn合金镀覆钢板含有1〜10％的Mg，2〜19％的Al和0.001〜2％的Si 质量等元素，其总量被抑制在0.5％以下 质量，余量由Zn组成。

公开(公告)号：US08592049B2

公开(公告)日：2013-11-26

申请号：US12162739

申请日：2006-07-31

申请人： Kazuhiko Honda ,  Tetsuo Nishiyama ,  Yoshihiro Suemune ,  Takeo Itoh ,  Koki Tanaka ,  Yoichi Ikematsu

发明人： Kazuhiko Honda ,  Tetsuo Nishiyama ,  Yoshihiro Suemune ,  Takeo Itoh ,  Koki Tanaka ,  Yoichi Ikematsu

IPC分类号： B32B15/04 ,  B32B15/18 ,  B32B15/20

CPC分类号： C23C2/06 ,  B32B15/013 ,  C21D8/0263 ,  C21D9/46 ,  C22C18/00 ,  C22C18/04 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/02 ,  C23C2/28 ,  Y10T428/1266 ,  Y10T428/12674 ,  Y10T428/12799 ,  Y10T428/12972

摘要： Hot dip galvanized steel sheet excellent in shapeability and plateability comprised of high strength steel sheet according to the present invention can be provided containing, by mass % about, C: 0.05 to 0.25%, Si: 0.3 to 2.5%, Mn: 1.5 to 2.8%, P: 0.03% or less, S: 0.02% or less, Al: 0.005 to 0.5%, N: 0.0060% or less and the balance of Fe and unavoidable impurities. The exemplary steel sheet can have thereon a galvanized layer containing, e.g., about Al: 0.05 to 10 mass % and Fe: 0.05 to 3 mass % and the balance of Zn and unavoidable impurities. Such exemplary hot dip galvanized steel sheet can have oxides containing Si in an average content of about 0.6 to 10 mass % at the crystal grain boundaries and in the crystal grains at the sheet steel side 5 μm or less from the interface between the high strength steel sheet and the plating layer and by the presence of Fe—Zn alloy with an average grain size of about 0.5 to 3 μm at the plating side.

摘要翻译： 可以提供由本发明的高强度钢板构成的包含本发明的高强度钢板的热浸镀锌钢板，以质量％计含有C：0.05〜0.25％，Si：0.3〜2.5％，Mn：1.5〜2.8 ％，P：0.03％以下，S：0.02％以下，Al：0.005〜0.5％，N：0.0060％以下，余量由Fe和不可避免的杂质构成。 示例性的钢板可以具有含有例如约Al：0.05〜10质量％，Fe：0.05〜3质量％，余量的Zn和不可避免的杂质的镀锌层。 这种示例性热浸镀锌钢板可以具有平均含量在晶界的平均含量为0.6〜10质量％的氧化物和在钢板侧的晶粒中的氧化物与高强度钢之间的界面为5μm以下 并在镀层侧存在平均粒径约为0.5〜3μm的Fe-Zn合金。

公开(公告)号：US06465114B1

公开(公告)日：2002-10-15

申请号：US09470886

申请日：1999-12-22

申请人： Kazuhiko Honda ,  Kazumi Nishimura ,  Yasuhide Morimoto ,  Satoru Tanaka ,  Yoshihiro Suemune ,  Jun Maki ,  Hidetoshi Shindo ,  Masaaki Sugiyama ,  Hiroyasu Furukawa ,  Masao Kurosaki ,  Hiromasa Nomura ,  Hiroshi Kanai ,  Kohei Ueda

发明人： Kazuhiko Honda ,  Kazumi Nishimura ,  Yasuhide Morimoto ,  Satoru Tanaka ,  Yoshihiro Suemune ,  Jun Maki ,  Hidetoshi Shindo ,  Masaaki Sugiyama ,  Hiroyasu Furukawa ,  Masao Kurosaki ,  Hiromasa Nomura ,  Hiroshi Kanai ,  Kohei Ueda

IPC分类号： B32B1500

CPC分类号： C23C2/02 ,  B05D7/51 ,  C23C2/06 ,  C23C28/00 ,  C23C28/021 ,  C23C28/023 ,  C23C2222/20 ,  Y10S428/926 ,  Y10T428/12569 ,  Y10T428/12799 ,  Y10T428/12937 ,  Y10T428/12944 ,  Y10T428/263 ,  Y10T428/264 ,  Y10T428/273

摘要： A coated steel material excellent in corrosion resistance and a method of producing the same, wherein a coated steel material has on the surface of the steel sheet a Zn-alloy coating layer containing 1-10 wt % of Mg, 2-19 wt % of Al and 0.01-2 wt % of Si, where Mg and Al satisfy Mg (%)+Al (%)≦20%, the balance being Zn and unavoidable impurities, and has a coating layer structure of a Mg intermetallic compound or the like. As a base metal treatment, it is preferably provided with a Ni coating layer. The coated Zn-alloy coated steel sheet may have provided on the coating layer, as an intermediate layer, a chromate film layer, and, as an upper layer, an organic coating layer. The Zn-alloy coating layer may further contain one or more of 0.01-1 wt % of In, 0.01-1 wt % of Bi and 1-10 wt % of Sn. The coated steel material may be painted.

摘要翻译： 耐腐蚀性优异的涂层钢材及其制造方法，其特征在于，所述钢板表面具有含有1-10重量％Mg的Zn合金涂层，2〜19重量％ Al和0.01-2重量％的Si，其中Mg和Al满足Mg（％）+ Al（％）<= 20％，余量为Zn和不可避免的杂质，并且具有Mg金属间化合物或 喜欢。 作为贱金属处理，优选具有Ni被覆层。 涂覆的Zn合金涂层钢板可以设置在作为中间层的铬酸盐膜层的涂层上，并且作为上层设置有机涂层。 Zn合金涂层还可以含有0.01-1重量％的In，0.01-1重量％的Bi和1-10重量％的Sn中的一种或多种。 涂覆的钢材可以涂漆。

公开(公告)号：US20100304183A1

公开(公告)日：2010-12-02

申请号：US12162739

申请日：2006-07-31

申请人： Kazuhiko Honda ,  Tetsuo Nishiyama ,  Yoshihiro Suemune ,  Takeo Itoh ,  Koki Tanaka ,  Yoichi Ikematsu

发明人： Kazuhiko Honda ,  Tetsuo Nishiyama ,  Yoshihiro Suemune ,  Takeo Itoh ,  Koki Tanaka ,  Yoichi Ikematsu

IPC分类号： B32B15/18 ,  B05D3/02 ,  B05D1/18 ,  C23C2/28

CPC分类号： C23C2/06 ,  B32B15/013 ,  C21D8/0263 ,  C21D9/46 ,  C22C18/00 ,  C22C18/04 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/02 ,  C23C2/28 ,  Y10T428/1266 ,  Y10T428/12674 ,  Y10T428/12799 ,  Y10T428/12972

摘要： Hot dip galvanized steel sheet excellent in shapeability and plateability comprised of high strength steel sheet according to the present invention can be provided containing, by mass % about, C: 0.05 to 0.25%, Si: 0.3 to 2.5%, Mn: 1.5 to 2.8%, P: 0.03% or less, S: 0.02% or less, Al: 0.005 to 0.5%, N: 0.0060% or less and the balance of Fe and unavoidable impurities. The exemplary steel sheet can have thereon a galvanized layer containing, e.g., about Al: 0.05 to 10 mass % and Fe: 0.05 to 3 mass % and the balance of Zn and unavoidable impurities. Such exemplary hot dip galvanized steel sheet can have oxides containing Si in an average content of about 0.6 to 10 mass % at the crystal grain boundaries and in the crystal grains at the sheet steel side 5 μm or less from the interface between the high strength steel sheet and the plating layer and by the presence of Fe—Zn alloy with an average grain size of about 0.5 to 3 μm at the plating side.

摘要翻译： 可以提供由本发明的高强度钢板构成的包含本发明的高强度钢板的热浸镀锌钢板，以质量％计含有C：0.05〜0.25％，Si：0.3〜2.5％，Mn：1.5〜2.8 ％，P：0.03％以下，S：0.02％以下，Al：0.005〜0.5％，N：0.0060％以下，余量由Fe和不可避免的杂质构成。 示例性的钢板可以具有含有例如约Al：0.05〜10质量％，Fe：0.05〜3质量％，余量的Zn和不可避免的杂质的镀锌层。 这种示例性的热浸镀锌钢板可以具有在晶界处平均含量为约0.6〜10质量％的Si的氧化物和在钢板侧的晶粒中的高强度钢之间的界面为5μm以下的氧化物 并在镀层侧存在平均粒径约为0.5〜3μm的Fe-Zn合金。

公开(公告)号：US07754289B2

公开(公告)日：2010-07-13

申请号：US11632379

申请日：2005-07-12

申请人： Magonori Nagase ,  Katsunori Tobisawa ,  Yoshihiro Suemune ,  Hiroyasu Furukawa

发明人： Magonori Nagase ,  Katsunori Tobisawa ,  Yoshihiro Suemune ,  Hiroyasu Furukawa

IPC分类号： B05D1/30

CPC分类号： B05D1/305 ,  B05C5/008 ,  B05D3/0209 ,  B05D7/5423 ,  B05D7/56 ,  B05D7/5823 ,  B05D2252/04 ,  Y10T428/24942 ,  Y10T428/31504

摘要： A method of applying a multilayer coating film, in which two or more layers of coating film are applied to a flat plate, such as steel plate, by baking finish, which method is effective for preventing of foam generation; and a product with multilayer coating film obtained by the method. There is provided a method of applying a multilayer coating film, including discharging paint films through multiple slits, simultaneously applying these films to a traveling plate to thereby form a multilayer paint film and carrying out drying or baking thereof, characterized in that with respect to the boiling points of solvents contained in adjacent layers of the multilayer paint film, there is such a relationship that the boiling point of solvent contained in the layer close to the plate is equivalent to or lower than the boiling point of solvent contained in the layer remote from the plate, and that the boiling point of solvent contained in the layer closest to the plate is lower than the boiling point of solvent contained in the layer remotest from the plate.

摘要翻译： 一种涂覆多层涂膜的方法，其中两层或多层涂膜通过烘焙处理被施加到诸如钢板的平板上，该方法对于防止泡沫产生是有效的; 和通过该方法获得的具有多层涂膜的产品。 提供一种施加多层涂膜的方法，包括通过多个狭缝排出漆膜，同时将这些膜施加到行进板上，从而形成多层漆膜并进行干燥或烘烤，其特征在于，相对于 在多层涂膜的相邻层中含有的溶剂的沸点存在这样的关系，即接近板的层中所含的溶剂的沸点等于或低于远离该层的溶剂中的溶剂的沸点 并且最靠近该板的层中所含的溶剂的沸点低于离板最远的层中所含的溶剂的沸点。

公开(公告)号：US09080231B2

公开(公告)日：2015-07-14

申请号：US13513025

申请日：2011-02-17

申请人： Shiro Fujii ,  Yoshikazu Yamanaka ,  Nobuki Shiragaki ,  Hiroshi Kanai ,  Nobuyuki Shimoda ,  Yasuhide Morimoto ,  Yoshihiro Suemune ,  Tooru Oohashi

发明人： Shiro Fujii ,  Yoshikazu Yamanaka ,  Nobuki Shiragaki ,  Hiroshi Kanai ,  Nobuyuki Shimoda ,  Yasuhide Morimoto ,  Yoshihiro Suemune ,  Tooru Oohashi

IPC分类号： B32B15/01 ,  B32B15/18 ,  B32B15/20 ,  B05D1/18 ,  B05D3/04 ,  C23C2/02 ,  C23C2/04 ,  C23C2/06 ,  C23C2/12 ,  C23C30/00 ,  C23C28/02

CPC分类号： C23C2/06 ,  B05D1/18 ,  C23C2/12 ,  C23C28/021 ,  C23C28/023 ,  C23C30/00 ,  C23C30/005 ,  Y10T428/12757 ,  Y10T428/12764 ,  Y10T428/12799 ,  Y10T428/12924 ,  Y10T428/12972 ,  Y10T428/12979 ,  Y10T428/12993 ,  Y10T428/265

摘要： The present invention provides a hot-dipped steel 1 that demonstrates favorable corrosion resistance and formability, and has a favorable appearance of a plating layer. The hot-dipped steel of the present invention includes a steel substrate formed thereon with an aluminum-zinc alloy plating layer. The aluminum-zinc alloy plating layer contains Al, Zn, Si and Mg as constituent elements thereof and the Mg content is 0.1% to 10% by weight. The aluminum-zinc alloy plating layer contains 0.2% to 15% by volume of an Si—Mg phase, and the weight ratio of Mg in the Si—Mg phase to the total weight of Mg is 3% or more.

摘要翻译： 本发明提供一种表现出良好的耐腐蚀性和成形性的热浸镀锌钢板1，并且具有良好的镀层外观。 本发明的热浸镀锌钢包括在其上形成有铝 - 锌合金镀层的钢基材。 铝锌合金镀层含有Al，Zn，Si和Mg作为其构成元素，Mg含量为0.1〜10重量％。 铝锌合金镀层含有0.2〜15体积％的Si-Mg相，Si-Mg相中的Mg与Mg的总重量的重量比为3％以上。

公开(公告)号：US08147950B2

公开(公告)日：2012-04-03

申请号：US12802662

申请日：2010-06-10

申请人： Magonori Nagase ,  Katsunori Tobisawa ,  Yoshihiro Suemune ,  Hiroyasu Furukawa

发明人： Magonori Nagase ,  Katsunori Tobisawa ,  Yoshihiro Suemune ,  Hiroyasu Furukawa

IPC分类号： B32B7/02

CPC分类号： B05D1/305 ,  B05C5/008 ,  B05D3/0209 ,  B05D7/5423 ,  B05D7/56 ,  B05D7/5823 ,  B05D2252/04 ,  Y10T428/24942 ,  Y10T428/31504

摘要： The invention provides a method of applying a mutilayer coating film, in which two or more layers of coating are applied to a flat plate, such as steel plate; and a product with multilayer coating film obtained by the method. The method includes discharging paint films through multiple slits, simultaneously applying these films to a traveling plate to thereby form a multilayer paint film and carrying out drying or baking thereof, characterized in that the boiling point of the solvent contained in the layer close to the plate is equivalent to or lower than the boiling point of solvent contained in the layer remote from the plate, and that the boiling point of solvent contained in the layer closest to the plate is lower than the boiling point of solvent contained in the layer remotest from the plate.

摘要翻译： 本发明提供了一种施加三层涂层的方法，其中将两层或多层涂层施加到诸如钢板的平板上; 和通过该方法获得的具有多层涂膜的产品。 该方法包括通过多个狭缝排出漆膜，同时将这些膜施加到行进板上，从而形成多层漆膜并进行干燥或烘烤，其特征在于，包含在靠近板的层中的溶剂的沸点 等于或低于远离板的层中所含的溶剂的沸点，并且最靠近该板的层中所含的溶剂的沸点低于最远离板的溶剂中的沸点 盘子。

公开(公告)号：US08968881B2

公开(公告)日：2015-03-03

申请号：US11792353

申请日：2005-12-05

申请人： Hiroyasu Furukawa ,  Hiroshi Kanai ,  Kenji Inada ,  Katsunori Tobisawa ,  Shigenori Tanaka ,  Kohei Ueda ,  Kengo Yoshida ,  Yoshihiro Suemune

发明人： Hiroyasu Furukawa ,  Hiroshi Kanai ,  Kenji Inada ,  Katsunori Tobisawa ,  Shigenori Tanaka ,  Kohei Ueda ,  Kengo Yoshida ,  Yoshihiro Suemune

IPC分类号： B32B15/18 ,  B05D7/14 ,  B05D7/00

CPC分类号： B05D7/14 ,  B05D7/50 ,  B05D7/5323 ,  B05D2202/15 ,  B05D2701/00 ,  Y10T428/12472 ,  Y10T428/12993

摘要： A precoated metal sheet produced by simultaneous multilayer coating, and a process for producing the same, is provided with improved color shading prevention and adhesion. In the precoated metal plate, the centerline average roughness Ra in the coating film interface is not less than 0.3 μm, and the maximum height from the waviness center line in the interface is not more than 50% of the layer thickness. Also provided is (i) a top clear coated metal plate, which comprises a clear layer as an upper layer, has an interfacial centerline average roughness Ra of 0.3 to 0.7 μm and has excellent weathering resistance; and (ii) a precoated metal plate having excellent processability and corrosion resistance, which contains not less than 30% by mass of a rust preventive pigment.

摘要翻译： 通过同时多层涂布制造的预涂金属片及其制造方法具有改进的防止着色和附着力。 在预涂金属板中，涂膜界面的中心线平均粗糙度Ra不小于0.3μm，并且界面处的波纹中心线的最大高度不大于层厚度的50％。 还提供了：（i）顶部透明涂覆的金属板，其包括作为上层的透明层，其界面中心线平均粗糙度Ra为0.3〜0.7μm，具有优异的耐候性; 和（ii）具有优异的加工性和耐腐蚀性的预涂金属板，其含有不少于30质量％的防锈颜料。