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1.发明公开
公开(公告)号：EP1158069A1
公开(公告)日：2001-11-28
申请号：EP00970071.7
申请日：2000-10-25
发明人： SUGIMARU, Satoshi, Nippon Steel Corporation , TANAKA, Satoru, Nippon Steel Corporation , NISHIDA, Seiki, Nippon Steel Corporation , TAKAHASHI, Akira, Nippon Steel Corporation , YOSHIE, Atsuhiko, Nippon Steel Corporation , NISHIMURA, Kazumi, Nippon Steel Corporation
IPC分类号： C23C2/38
CPC分类号： C23C2/02 , C23C2/06 , C23C2/38 , Y10S428/926 , Y10S428/939 , Y10T428/2904
摘要： This invention provides a plated steel wire with high corrosion resistance and excellent workability, wherein the average composition of the plating alloy in the plated steel wire comprises, in terms of weight percentage, Al: 4-20%, Mg: 0.8-5%, and if necessary one or more from among Si: ≤ 2%, Na: 0.001-0.1% and Ti: 0.01-0.1%, with the remainder Zn, and an Fe-Zn alloy layer of no greater than 20 µm thickness is present at the plating-base metal interface; it is produced by coating a steel wire with a molten zinc plating composed mainly of zinc as the first stage and then coating it with a molten zinc alloy plating with the aforementioned average composition as the second stage. The maximum plating bath immersion time is 20 seconds, and the part of the plated steel wire drawn out from the plating bath is purged with nitrogen gas.
摘要翻译： 本发明提供的电镀钢丝具有高强耐蚀性能和出色的可加工性能，worin电镀合金的电镀钢丝的平均组合物包括，按重量百分比含有：Al：4-20％以下，Mg：0.8-5％ 并且如果需要的一种或选自Si之间更：≤2％，钠：0.001-0.1％和Ti：锌，其余部分，并且在0.01-0.1％，不大于20微米厚度的铁锌合金层存在 在镀层 - 基底金属界面; 它是由涂覆钢丝与主要由锌作为第一阶段构成的熔融锌电镀，然后用熔融锌合金镀层与上述平均组成作为第二阶段涂布它产生。 最大镀浴浸渍时间为20秒，从电镀槽中拉出的电镀钢丝的部分用氮气吹扫气体。
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2.发明授权PLATED STEEL PRODUCT, PLATED STEEL SHEET AND PRECOATED STEEL SHEET HAVING EXCELLENT RESISTANCE TO CORROSION 有权镀钢产品，电镀钢板和预涂钢板具有优异的耐腐蚀性
公开(公告)号：EP1199376B1
公开(公告)日：2007-05-09
申请号：EP99961441.5
申请日：1999-12-27
发明人： HONDA, Kazuhiko , NISHIMURA, Kazumi, Nippon Steel Corporation , MORIMOTO, Yasuhide, Nippon Steel Corporation , TANAKA, Satoru , SUEMUNE, Yoshihiro , MAKI, Jun, Nippon Steel Corporation Yawata Works , SHINDO, Hidetoshi, Nippon Steel Corporation , SUGIYAMA, Masaaki, Nippon Steel Corporation , FURUKAWA, Hiroyasu , KUROSAKI, Masao, Nippon Steel Corporation , NOMURA, Hiromasa, Nippon Steel Corporation , KANAI, Hiroshi, Nippon Steel Corporation , UEDA, Kohei, Nippon Steel Corporation
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.
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3.发明授权
公开(公告)号：EP1158069B1
公开(公告)日：2006-07-19
申请号：EP00970071.7
申请日：2000-10-25
发明人： SUGIMARU, Satoshi, Nippon Steel Corporation , TANAKA, Satoru, Nippon Steel Corporation , NISHIDA, Seiki, Nippon Steel Corporation , TAKAHASHI, Akira, Nippon Steel Corporation , YOSHIE, Atsuhiko, Nippon Steel Corporation , NISHIMURA, Kazumi, Nippon Steel Corporation
CPC分类号： C23C2/02 , C23C2/06 , C23C2/38 , Y10S428/926 , Y10S428/939 , Y10T428/2904
摘要： A metal plated steel wire having excellent resistance to corrosion and excellent workability, wherein the alloy for plating the wire comprises on average, in wt %, 4 to 20 % of Al and 0.8 to 5 % of Mg, and optionally, one or more of 2 % or less of Si, 0.001 to 0.1 % of Na and 0.01 to 0.1 % of Ti, the balance of the alloy being Zn, and a Fe-Zn alloy layer is present in the interface between a plating layer and a base iron body in a thickness of 20 mu m or less; a method for producing the metal plated steel wire which comprises the first step of subjecting a steel wire to a hot dip galvanizing using Zn as a main metal for plating and then the second step of subjecting the resultant wire to a hot dip galvanizing using the above alloy, wherein the time of dipping the wire in a plating bath is 20 sec or less and the portion of the wire which is being pulled up from the bath is purged by nitrogen.
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4.发明公开
公开(公告)号：EP1199376A1
公开(公告)日：2002-04-24
申请号：EP99961441.5
申请日：1999-12-27
发明人： HONDA, Kazuhiko , NISHIMURA, Kazumi, Nippon Steel Corporation , MORIMOTO, Yasuhide, Nippon Steel Corporation , TANAKA, Satoru , SUEMUNE, Yoshihiro , MAKI, Jun, Nippon Steel Corporation Yawata Works , SHINDO, Hidetoshi, Nippon Steel Corporation , SUGIYAMA, Masaaki, Nippon Steel Corporation , FURUKAWA, Hiroyasu , KUROSAKI, Masao, Nippon Steel Corporation , NOMURA, Hiromasa, Nippon Steel Corporation , KANAI, Hiroshi, Nippon Steel Corporation , UEDA, Kohei, Nippon Steel Corporation
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： 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 2 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 µm or greater major diameter is dispersed in the Zn-alloy coating layer at a content of 0.1 - 50 vol%.
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