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1. 发明公开

EP1820639A4 PRECOATED METAL PLATE AND PROCESS FOR PRODUCING PRECOATED METAL PLATE 审中-公开
标题翻译： VORBESCHICHTETE METALLPLATTE UND VERFAHREN ZUR HERSTELLUNG EINER VORBESCHICHTETEN METALLPLATTE
公开(公告)号：EP1820639A4
公开(公告)日：2011-04-06
申请号：EP05814403
申请日：2005-12-05
申请人： NIPPON STEEL CORP
发明人： FURUKAWA HIROYASU , KANAI HIROSHI , INADA KENJI , TOBISAWA KATSUNORI , TANAKA SHIGENORI , UEDA KOUHEI , YOSHIDA KENGO , SUEMUNE YOSHIHIRO
IPC分类号： B32B15/18 , B05D7/14
CPC分类号： B05D7/14 , B05D7/50 , B05D7/5323 , B05D2202/15 , B05D2701/00 , Y10T428/12472 , Y10T428/12993
摘要： This invention provides a precoated metal plate that is improved in color shading prevention and adhesion and is produced by simultaneous multilayer coating. In the precoated metal plate, the center line 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. There are also provided a top clear coated metal plate, which comprises a clear layer as an upper layer, has an interfacial center line average roughness Ra of 0.3 to 0.7 µm and has excellent weathering resistance, a precoated metal plate having excellent processability and corrosion resistance, which contains not less than 30% by mass on average of a rust preventive pigment so that the average rust preventive content of the upper layer is lower than that in the average rust preventive pigment of the lower layer, the concentration gradient is lowered so that the position from around the interface of the upper layer and the lower layer is increased, and the roughness Ra in the interface of the lower layer and the upper layer is 0.3 to 0.7 µm, and a process for producing the same.
摘要翻译：本发明提供一种预涂金属板，其改进了防止着色和粘附，并通过同时多层涂布制造。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％。还提供了顶部透明涂层金属板，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，具有优异的加工性和耐腐蚀性的预涂金属板，防锈颜料的平均防锈成分的平均防锈成分比平均防锈颜料低30质量％，浓度梯度降低，上层和下层的界面附近的位置增加，下层和上层的界面的粗糙度Ra为0.3〜0.7μm，其制造方法。

2. 发明公开

EP1787727A4 METHOD OF APPLYING MULTILAYER COATING FILM AND PRODUCT WITH MULTILAYER COATING FILM 有权
标题翻译：程序对于多涂膜具有多个涂膜中的应用和产品
公开(公告)号：EP1787727A4
公开(公告)日：2010-11-03
申请号：EP05762066
申请日：2005-07-12
申请人： NIPPON STEEL CORP
发明人： NAGASE MAGONORI , TOBISAWA KATSUNORI , SUEMUNE YOSHIHIRO , FURUKAWA HIROYASU
IPC分类号： B05D1/36 , B05D3/02 , B05D7/00
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 mutilayer 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.

3. 发明公开

EP1199376A4 PLATED STEEL PRODUCT, PLATED STEEL SHEET AND PRECOATED STEEL SHEET HAVING EXCELLENT RESISTANCE TO CORROSION 有权
标题翻译： PLATTIERTES STAHLPRODUKT，PLATTIERTES STAHLBLECH UND VORBESCHICHTETES STAHLBLECH MIT AUSGEZEICHNETEM KORROSIONSWIDERSTAND
公开(公告)号：EP1199376A4
公开(公告)日：2006-01-04
申请号：EP99961441
申请日：1999-12-27
申请人： NIPPON STEEL CORP
发明人： HONDA KAZUHIKO , NISHIMURA KAZUMI , MORIMOTO YASUHIDE , TANAKA SATORU , SUEMUNE YOSHIHIRO , MAKI JUN , SHINDO HIDETOSHI , SUGIYAMA MASAAKI , FURUKAWA HIROYASU , KUROSAKI MASAO , NOMURA HIROMASA , KANAI HIROSHI , UEDA KOHEI
IPC分类号： B05D7/00 , C23C2/02 , C23C2/06 , C23C28/00 , C23C22/17
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 plated steel product having excellent resistance to corrosion, characterized in that it comprises, on a steel product, a Zn alloy plating layer having the composition that Mg: 1 to 10 wt. %, Al: 2 to 19 wt. %, Si: 0.01 to 2 wt. %, balance: Zn and inevitable impurities, with the proviso that the amounts of Mg and Al satisfy the relationship: Mg (%) + Al (%) ≤ 20 %, and having a plating layer structure of, for example, an intermetallic compound containing Mg; and a method for producing the plated steel product. Preferably, the plated product further comprises a Ni plating layer as a ground coat. Also provided is a precoated steel sheet having excellent resistance to corrosion, characterized in that it comprises, on the above plating layer, a chromate coating layer as an intermediate layer, and an organic coating layer as a top coat layer in a thickness of 1 to 100 νm, or it comprises, on the plating layer, a chromate coating layer in a thickness corresponding to 10 to 300 mg in terms of metallic chromium/m2, as a top coat layer. The above Zn alloy plating layer can further comprise one or more of 0.01 to 1 wt. % of In, 0.01 to 1 wt. % of Bi, and 1 to 10 wt. % of Sn.
摘要翻译：提供了Zn镀层钢材，Zn涂层钢板和耐腐蚀性优异的涂漆钢板及其制造方法。具体地说，提供耐腐蚀性优异的涂层钢及其制造方法，其特征在于，在钢板表面上，含有1〜10重量％的Zn合金涂层，的Mg，2〜19重量％的Al和0.01〜2重量％的Si，其中Mg和Al满足Mg（％）+ Al（％）≤20％，余量由Zn和不可避免的杂质组成，并且具有 Mg金属间化合物等的涂层结构。作为贱金属处理，优选设置有Ni被覆层。还提供了一种涂覆的Zn涂层钢板，其设置在作为中间层的铬酸盐膜层的涂层上，并且还具有作为上层的有机涂层和耐腐蚀性优异的Zn涂层钢板在作为上层的涂层上设置铬酸盐膜，其通过用树脂铬酸盐浴涂覆并以10-300mg / m 2作为金属铬干燥形成。根据本发明的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。进一步提供了一种在Zn合金涂层上具有含有100重量份作为固体含量的树脂和0.2-50重量份单宁或单宁酸的贱金属处理膜层和在贱金属处理膜上的涂覆钢板作为上层的有机被覆层。优选地，Zn合金被覆层还含有0.01〜2重量％的Si，贱金属处理膜层还含有10〜500重量份作为固体成分的细粒二氧化硅，有机被覆层由含有防锈颜料和着色外涂层，以及Ni涂层存在于zn合金涂层之下。还提供了具有贱金属处理膜层的涂漆钢板，该贱金属处理膜层含有100重量份作为固体含量的树脂和0.1-3,000重量份的硅烷偶联剂，并且在作为上层的贱金属处理膜层上，有机涂层。 Zn合金被覆层可以含有0.01〜2重量％的Si，贱金属处理膜层可以进一步含有1〜200重量份的细粒二氧化硅和0.1〜1,000重量份的固体成分的蚀刻氟化物。此外，存在其中1μm以上的大直径的金属间化合物相以0.1〜50体积％的含量分散在Zn合金被覆层中的结构。

4. 发明专利

MY142456A PRECOATED METAL PLATE AND PROCESS FOR PRODUCING PRECOATED METAL PLATE 未知
公开(公告)号：MY142456A
公开(公告)日：2010-11-30
申请号：MYPI20055724
申请日：2005-12-07
申请人： NIPPON STEEL CORP
发明人： FURUKAWA HIROYASU , KANAI HIROSHI , INADA KENJI , TOBISAWA KATSUNORI , TANAKA SHIGENORI , UEDA KOUHEI , YOSHIDA KENGO , SUEMUNE YOSHIHIRO
IPC分类号： B32B15/18
摘要： 78 PRECOATED METAL SHEET AND METHOD OF PRODUCTION OF PRECOATFD METAL SHEET ABSTRACT A PRECOATED METAL SHEET PRODUCED BY MULTILAYER 5 SIMULTANEOUS COATING, PREVENTING MOTTLED-LIKE TONE, AND IMPROVING THE ADHESION BETWEEN COATS, A TOP CLEAR TYPE PRECOATED METAL SHEET SUPERIOR IN WEATHER RESISTANCE, A PRECOATED METAL SHEET ACHIEVING BOTH WORKABILITY AND CORROSION RESISTANCE, AND METHODS OF PRODUCTION OF THE 10 SAME ARE PROVIDED. THE PRECOATED METAL SHEET PREVENTING MOTTLED-LIKE TONE AND IMPROVING ADHESION BETWEEN COATS IS CHARACTERIZED IN THAT A CENTERLINE AVERAGE ROUGHNESS RA OF THE INTERFACE OF COATS FORMED BY MULTILAYER SIMULTANEOUS COATING IS 0.3 PM OR MORE AND THAT A MAXIMUM 15 HEIGHT OF WAVINESS OF THE INTERFACE FROM ITS CENTERLINE OBSERVED UNDER A MAGNIFICATION OF X500 IS NOT MORE THAN 50OF THE THICKNESS MEASURED FROM CENTERLINE OF THE LAYER POSITIONED ON THE INTERFACE. THE TOP CLEAR TYPE PRECOATED METAL SHEET SUPERIOR IN WEATHER RESISTANCE IS 20 CHARACTERIZED IN THAT A CENTERLINE AVERAGE ROUGHNESS RA OF THE INTERFACE BETWEEN THE LIPPER CLEAR LAYER AND LOWER COAT LAYER IS 0.3 TO 0.7 @TM. THE PRECOATED METAL SHEET ACHIEVING BOTH WORKABILITY AND CORROSION RESISTANCE IS CHARACTERIZED IN THAT THE LOWER COAT LAYER FORMED BY THE 25 MULTILAYER SIMULTANEOUS COATING SYSTEM CONTAINS BY AVERAGE 30 WTOR MORE OFA RUST PREVENTING PIGMENT, IN THAT THE UPPER COAT LAYER CONTAINS THE SAME RUST PREVENTING PIAMENT AS THE RUST PREVENTING PIGMENT OF THE LOWER COAT LAVER BY AN AVERAGE CONTENT LOWER THAN THE 1 30 AVERAGE CONTENT OF THE LOWER COAT LAYER AND BY A CONCENTRATION CRADIENT GRADUALLY DECREASING THE FURTHER FROM THE VICINITV OF THE INTERFACE WITH THE LOWER COAT LAYER, AND IN THAT THE CENTERLINE AVERAGE ROUGHNESS RA OF THE INTERFACE OF THE COAT LAVERS IS 0.1 TO 0.7 PM.

5. 发明专利

AT362002T 未知
公开(公告)号：AT362002T
公开(公告)日：2007-06-15
申请号：AT99961441
申请日：1999-12-27
申请人： NIPPON STEEL CORP
发明人： HONDA KAZUHIKO , NISHIMURA KAZUMI , MORIMOTO YASUHIDE , TANAKA SATORU , SUEMUNE YOSHIHIRO , MAKI JUN , SHINDO HIDETOSHI , SUGIYAMA MASAAKI , FURUKAWA HIROYASU , KUROSAKI MASAO , NOMURA HIROMASA , KANAI HIROSHI , UEDA KOHEI
IPC分类号： C23C2/06 , B05D7/00 , C23C2/02 , C23C22/17 , C23C28/00
摘要： Provided are a Zn coated steel material, a Zn coated steel sheet and a painted steel sheet excellent in corrosion resistance, and a method of producing the same. Specifically, there is provided coated steel material excellent in corrosion resistance and a method of producing the same, which coated steel material is characterized in that it has, on the surface of 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 composed of 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. Also provided are a coated Zn coated steel sheet provided on the coating layer with, as an intermediate layer, a chromate film layer, and further with, as an upper layer, an organic coating layer, and a Zn coated steel sheet excellent in corrosion resistance provided on the coating layer with, as an upper layer, a chromate film, formed by coating with a resin chromate bath and drying, at 10 - 300 mg/m as metallic chromium. The Zn-alloy coating layer according to the present invention 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. Further provided is a painted steel sheet having on the Zn-alloy coating layer a base metal treatment film layer containing 100 parts by weight of resin as solid content and 0.2 - 50 parts by weight of tannin or tannic acid and on the base metal treatment film layer, as an upper layer, an organic coating layer. Preferably the Zn-alloy coating layer further contains 0.01 - 2 wt% of Si, the base metal treatment film layer further contains 10 - 500 parts by weight of fine-grain silica as solid content, the organic coating layer is composed of an undercoating containing an anti-rust pigment and a colored overcoating, and a Ni coating layer is present under the zn-alloy coating layer. Further provided is a painted steel sheet having a base metal treatment film layer containing 100 parts by weight of resin as solid content and 0.1 - 3,000 parts by weight of a silane coupling agent and on the base metal treatment film layer, as an upper layer, an organic coating layer. The Zn-alloy coating layer can contain 0.01 - 2 wt% of Si and the base metal treatment film layer can further contain, as solid content, one or both of 1 - 200 parts by weight of fine-grain silica and 0.1 - 1,000 parts by weight of an etching fluoride. Moreover, a structure is present wherein intermetallic compound phase of 1 mu m or greater major diameter is dispersed in the Zn-alloy coating layer at a content of 0.1 - 50 vol%.

6. 发明专利

AU2005312559A1 Precoated metal plate and process for producing precoated metal plate 未知
公开(公告)号：AU2005312559A1
公开(公告)日：2006-06-15
申请号：AU2005312559
申请日：2005-12-05
申请人： NIPPON STEEL CORP
发明人： FURUKAWA HIROYASU , INADA KENJI , SUEMUNE YOSHIHIRO , TANAKA SHIGENORI , UEDA KOUHEI , TOBISAWA KATSUNORI , KANAI HIROSHI , YOSHIDA KENGO
IPC分类号： B32B15/18 , B05D7/14
摘要： This invention provides a precoated metal plate that is improved in color shading prevention and adhesion and is produced by simultaneous multilayer coating. In the precoated metal plate, the center line 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. There are also provided a top clear coated metal plate, which comprises a clear layer as an upper layer, has an interfacial center line average roughness Ra of 0.3 to 0.7 µm and has excellent weathering resistance, a precoated metal plate having excellent processability and corrosion resistance, which contains not less than 30% by mass on average of a rust preventive pigment so that the average rust preventive content of the upper layer is lower than that in the average rust preventive pigment of the lower layer, the concentration gradient is lowered so that the position from around the interface of the upper layer and the lower layer is increased, and the roughness Ra in the interface of the lower layer and the upper layer is 0.3 to 0.7 µm, and a process for producing the same.

8. 发明专利

CA2780445C HOT-DIPPED STEEL AND METHOD OF PRODUCING SAME 未知
公开(公告)号：CA2780445C
公开(公告)日：2014-02-04
申请号：CA2780445
申请日：2011-02-17
申请人： NIPPON STEEL & SUMIKIN COATED , NIPPON STEEL CORP
发明人： FUJII SHIRO , YAMANAKA YOSHIKAZU , SHIRAGAKI NOBUKI , KANAI HIROSHI , SHIMODA NOBUYUKI , MORIMOTO YASUHIDE , SUEMUNE YOSHIHIRO , OOHASHI TOORU
IPC分类号： C23C2/06 , C23C2/02 , C23C2/12 , C23C2/16 , C23C2/26 , C23C28/00
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.

9. 发明专利

CA2640646C HIGH STRENGTH HOT-DIP GALVANIZED STEEL SHEET AND HIGH STRENGTH HOT-DIP GALVANNEALED STEEL SHEET AND METHODS OF PRODUCTION AND APPARATUSES FOR PRODUCTION OF THE SAME 未知
公开(公告)号：CA2640646C
公开(公告)日：2011-07-26
申请号：CA2640646
申请日：2006-07-31
申请人： NIPPON STEEL CORP
发明人： HONDA KAZUHIKO , NISHIYAMA TETSUO , SUEMUNE YOSHIHIRO , ITOH TAKEO , TANAKA KOKI , IKEMATSU YOICHI
IPC分类号： C23C2/06 , C21D9/46 , C22C18/00 , C22C18/04 , C22C38/00 , C22C38/06 , C23C2/02 , C23C2/28
摘要： Hot dip galvanized steel sheet excellent in shapeability and plateability comprised of high strength steel sheet containing, by mass%, 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, on which having a galvanized layer containing Al: 0.05 to mass% and Fe: 0.05 to 3 mass% and the balance of Zn and unavoidable impurities, said hot dip galvanized steel sheet characterized by the presence of oxides containing Si in an average content of 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 0.5 to 3 µm at the plating side.

10. 发明专利

CA2640646A1 HIGH-STRENGTH HOT-DIP ZINCED STEEL SHEET EXCELLENT IN MOLDABILITY AND SUITABILITY FOR PLATING, HIGH-STRENGTH ALLOYED HOT-DIP ZINCED STEEL SHEET, AND PROCESSES AND APPARATUS FOR PRODUCING THESE 未知
公开(公告)号：CA2640646A1
公开(公告)日：2007-08-02
申请号：CA2640646
申请日：2006-07-31
申请人： NIPPON STEEL CORP
发明人： NISHIYAMA TETSUO , SUEMUNE YOSHIHIRO , IKEMATSU YOICHI , HONDA KAZUHIKO , TANAKA KOKI , ITOH TAKEO
IPC分类号： C23C2/06 , C21D9/46 , C22C18/00 , C22C18/04 , C22C38/00 , C22C38/06 , C23C2/02 , C23C2/28
摘要： Hot dip galvanized steel sheet excellent in shapeability and plateability comprised of high strength steel sheet containing, by mass%, 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, on which having a galvanized layer containing Al: 0.05 to 10 mass% and Fe: 0.05 to 3 mass% and the balance of Zn and unavoidable impurities, said hot dip galvanized steel sheet characterized by the presence of oxides containing Si in an average content of 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 0.5 to 3 µm at the plating side.

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