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1. 发明专利

JP2007247017A Galvannealed steel sheet having excellent appearance grade and method for manufacturing the same 有权
标题翻译：具有优异外观等级的电镀钢板及其制造方法
公开(公告)号：JP2007247017A
公开(公告)日：2007-09-27
申请号：JP2006074330
申请日：2006-03-17
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANAKA SHINTARO , MATSUMURA KENICHIRO , SUZUKI SHINICHI
IPC分类号： C22C38/00 , B21B1/26 , B21B3/00 , C21D9/46 , C22C38/06 , C22C38/14 , C23C2/02 , C23C2/06 , C23C2/20 , C23C2/28 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide a galvannealed steel sheet having an excellent appearance grade.
SOLUTION: The galvannealed steel having the excellent appearance grade is the galvannealed steel sheet having an iron-zinc alloy coating containing ≤85% Zn on the surface of a steel consisting, by mass%, of ≤0.01 C, ≤0.2% Si, ≤2% Mn, 0.02 to 0.2% P, ≤0.03% S, 0.005 to 0.1% Al and the balance Fe with inevitable impurities, in which the matrix surface layer part within a depth direction 40 μm from the matrix surface is ≤10% in area rate of ferrite grains of a grain size ≥40 μm in an observation visual field of 500 μm × 400 μm.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异外观等级的合金化热浸镀锌钢板。＆lt; P＆gt;解决方案：具有优异外观等级的合金化热浸镀锌钢是在钢表面含有≤85％Zn的铁锌合金涂层的合金化热镀锌钢板，以质量％计，≤0.01℃，≤0.2％ Si，≤2％Mn，0.02〜0.2％P，≤0.03％S，0.005〜0.1％Al，余量为不可避免的杂质，其中基体表面层部分距离基体表面40μm的深度方向为≤ 在500μm×400μm的观察视野中，粒径≥40μm的铁素体晶粒的面积率为10％。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2004277839A Zinc based metal-coated steel 审中-公开
公开(公告)号：JP2004277839A
公开(公告)日：2004-10-07
申请号：JP2003072991
申请日：2003-03-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANAKA SHINTARO , YAMAMOTO MASAHIRO , MIYASAKA AKIHIRO
IPC分类号： C23C2/06 , C22C18/00 , C22C18/04 , C22C38/00 , C22C38/58 , C23C30/00
摘要： PROBLEM TO BE SOLVED: To provide a zinc based metal-coated steel which has excellent corrosion resistance in the edge faces and flawed parts, and also has excellent toughness.
SOLUTION: The zinc based metal-coated steel is obtained by providing the surface of a steel having a composition comprising, by mass, 3 to 8% Cr, 0.1 to 1% Al, ≤0.05% C, ≤3% Si, ≤0.08% P, ≤0.03% S and ≤0.02% N, further, comprising one or more kinds of metals selected from 0.2 to 2% Mn, 0.05 to 2% Ni, 0.05 to 2% Cu and 0.001 to 0.03% Mg, and the balance Fe with inevitable impurities, and having a crystal grain size of ≤30 μm with a zinc based metal-coated layer by 30 to 800 g/m
2 .
COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2004059968A Highly corrosion resistant hot-dipped steel wire superior in workability 审中-公开
公开(公告)号：JP2004059968A
公开(公告)日：2004-02-26
申请号：JP2002217655
申请日：2002-07-26
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMAMOTO MASAHIRO , YAMANAKA SHINTARO , ENDO HIDEKAZU
IPC分类号： C23C2/06 , C23C2/12 , C23C2/28 , C23C2/38
摘要： PROBLEM TO BE SOLVED: To provide a highly corrosion resistant plated steel wire which can be used in a beach environment and is superior in workability.
SOLUTION: The steel wire has a hot-dipped layer thereon which comprises Al of 20 mass% or more but less than 80 mass%, Mg of 0.05 mass% or more but less than 5.0 mass%, Si of 1-12 mass% with respect to the Al content, and the balance Zn with unavoidable impurities. The above hot-dipped layer has a flat and uniform alloy layer contacting with an iron matrix as a lower layer thereof, which contains Al and Fe of 60 mass% or more in total, has thicknesses of 1-50 μm, makes a difference between a maximum value and a minimum value of the thicknesses so as not to exeed the average thickness, and further has 50μm or less of the maximum value of unevenness in a boundary between the iron matrix and the alloy layer per 200 μm by length of the surface of the steel wire.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2011152589A Steel sheet for radiation heating, which is suitable to produce metallic processed article having portion with different strength and which is used for hot stamping and method of producing the same 有权
标题翻译：用于辐射加热的钢板，其适合生产具有不同强度并且用于热压印的部件的金属加工制品及其生产方法
公开(公告)号：JP2011152589A
公开(公告)日：2011-08-11
申请号：JP2011102985
申请日：2011-05-02
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KOBAYASHI YOSHIFUMI , KONO KAZUYUKI , ITO YASUNORI , SUZUKI SHINICHI , YAMANAKA SHINTARO
IPC分类号： B21D22/20 , C23C2/26
CPC分类号： C23C4/04 , C21D8/0494 , C21D2221/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C23C4/18 , Y10T428/12229
摘要： PROBLEM TO BE SOLVED: To provide a metallic sheet for radiation heating, which is suitable to produce a processed metallic sheet having a portion with different strength and which is used for hot stamping and which is simply heated to a desired temperature even when the surface reflectance of the metallic sheet is high and a method of producing the same. SOLUTION: The region where the reflectance of radiation is lowered than that of the surface of the original metallic sheet is formed in a part of the surface of the metallic sheet on which radiation heating is performed by near infrared ray. As a treatment for reducing the reflectance, coating or thermal spraying in a blackish color, plating in blackish color, a treatment for roughening the surface roughness of the metallic sheet, blasting, etching, blackening, a treatment for changing the material of the surface of the metallic sheet, or the like are adoptable. After making the metallic sheet into the heated metallic sheet having partially different temperature by performing the radiation heating, thermal processing accompanied by cooling by hot stamping, for example, is performed. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于辐射加热的金属片，其适用于生产具有不同强度的部分的加工金属片，并且用于热冲压，并且即使当被加热时也被简单地加热到所需温度金属板的表面反射率高，也是制造该金属板的方法。解决方案：在通过近红外线进行辐射加热的金属片的表面的一部分中形成辐射的反射率低于原始金属片的表面的区域。作为减少黑色的反射率，涂层或热喷涂的处理方式，以黑色镀覆，粗化金属板的表面粗糙度的处理，喷砂，蚀刻，变黑，用于改变表面材料的处理金属片等可以采用。在通过进行辐射加热使金属片材进入具有部分不同温度的加热金属片材之后，进行例如通过热冲压冷却的热处理。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2007169696A Galvannealed steel superior in appearance quality, and manufacturing method therefor 有权
标题翻译：外观质量优良的钢铁高级制造商及其制造方法
公开(公告)号：JP2007169696A
公开(公告)日：2007-07-05
申请号：JP2005367235
申请日：2005-12-20
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANAKA SHINTARO , MATSUMURA KENICHIRO , SUZUKI SHINICHI , NADA MITSURU , TSUNODA TADASHI
IPC分类号： C23C2/28 , C21D9/46 , C22C38/00 , C22C38/14 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide galvannealed steel superior in appearance quality.
SOLUTION: A steel material for the galvannealed steel comprises, by mass%, 0.01% or less C, 0.2% or less Si, 2% or less Mn, 0.02-0.2% P, 0.03% or less S, 0.005-0.1% Al, 0.001-0.05% Ti, 0.001-0.05% Nb, and the balance Fe with unavoidable impurities. The galvannealed steel superior in the appearance quality has a coating film of an iron-zinc alloy on the surface of the steel material. The coating film of the iron-zinc alloy contains P, Fe and Zn so that an integral intensity ratio I(P)/I(Fe+Zn) of P to (Fe+Zn) can be 0.025 or less when they are analyzed with GDS.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供优异的外观质量的合金化热浸镀锌钢。＆lt; P＆gt;解决方案：合金化热镀锌钢的钢材，以质量％计含有0.01％以下的C，0.2％以下的Si，2％以下的Mn，0.02〜0.2％的P，0.03％以下的S，0.005〜 0.1％Al，0.001-0.05％Ti，0.001-0.05％Nb，余量为Fe和不可避免的杂质。外观品质优越的合金化热浸镀锌钢板表面具有铁 - 锌合金涂层。铁 - 锌合金的涂膜含有P，Fe和Zn，因此当P与（Fe + Zn）的积分强度比I（P）/ I（Fe + Zn））分别为0.025或更小时 GDS。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006207025A STEEL HAVING EXCELLENT CORROSION RESISTANCE TO HOT DIP Zn ALLOY AND WORKABILITY AT THE TIME OF BENDING 审中-公开
标题翻译：在弯曲时具有优良耐腐蚀性能的钢铁锌合金和可加工性
公开(公告)号：JP2006207025A
公开(公告)日：2006-08-10
申请号：JP2005314294
申请日：2005-10-28
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANAKA SHINTARO , YAMAMOTO MASAHIRO , SHIMODA NOBUYUKI , NAKAZAWA MASATO
IPC分类号： C22C38/00 , C22C18/00 , C22C18/04 , C22C38/60 , C23C2/00 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a steel having excellent corrosion resistance to a hot dip Zn alloy and workability at the time of bending.
SOLUTION: The steel having excellent corrosion resistance to a hot dip Zn alloy and workability at the time of bending has a composition comprising, by mass, 0.04 to 60% Al and 0.5 to 5% Mg, and the balance zinc with inevitable impurities, and in which, when dipped into a hot dip Zn alloy plating bath heated to a bath temperature of 460°C, the average corrosion rate in the initial 48 hr dipping is ≤800 g/m
2 /day, and also, cracks are not generated by 90° bending in the bending radius of 5 mm at the time when its sheet thickness is controlled to 3 mm.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供对热浸锌合金具有优异的耐腐蚀性的钢和弯曲时的加工性。解决方案：对热浸锌合金具有优异的耐腐蚀性的钢和弯曲时的加工性具有质量分数为0.04〜60％的Al和0.5〜5％的Mg，余量为不可避免的锌杂质，当浸入加热到浴温460℃的热浸锌合金电镀浴时，初始48小时浸渍中的平均腐蚀速率为≤800g/ m 2 SP / /天，并且当其板厚控制在3mm时，在弯曲半径为5mm的情况下90°弯曲不会产生裂纹。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005248294A FLUX COMPOSITION FOR HOT DIP Zn-Al BASED ALLOY PLATING AND METHOD FOR PRODUCING HOT DIP Zn-Al BASED ALLOY PLATED STEEL USING THE SAME 审中-公开
标题翻译：用于热镀锌Zn-Al的合金镀层的熔融组合物及其制造使用热镀锌的Zn-Al基合金钢的方法
公开(公告)号：JP2005248294A
公开(公告)日：2005-09-15
申请号：JP2004063597
申请日：2004-03-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANAKA SHINTARO , YAMAMOTO MASAHIRO
IPC分类号： C23C2/30 , C23C2/06 , C23C2/12
摘要： PROBLEM TO BE SOLVED: To provide a flux composition with which uniform hot dip Zn-Al based alloy plating having a fine appearance can be easily attained, and to provide a method for producing hot dip Zn-Al based alloy plated steel using the same.
SOLUTION: In the flux composition for hot dip Zn-Al based alloy plating composed of an aqueous solution comprising Cl and Cu, Cl and Cu satisfy, by mass%, Cl/Cu=1.2 to 10 and 1%≤Cl+Cu≤50%. The method for producing hot dip Zn-Al based alloy plated steel uses the same.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够容易地获得具有细外观的均匀热浸Zn-Al系合金电镀的焊剂组合物，并提供一种使用一样。解决方案：在由包含Cl和Cu的水溶液组成的热浸Zn-Al基合金电镀用焊剂组合物中，Cl和Cu以质量％计满足Cl / Cu = 1.2〜10,1％≤Cl+ Cu≤50％。热镀Zn-Al合金镀层钢的制造方法也是这样。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2010156029A Method for manufacturing hot-dip galvanized high-tensile steel plate 有权
标题翻译：制造热镀锌高强度钢板的方法
公开(公告)号：JP2010156029A
公开(公告)日：2010-07-15
申请号：JP2009000199
申请日：2009-01-05
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANAKA SHINTARO
IPC分类号： C23C2/06 , C21D9/46 , C22C38/00 , C22C38/06 , C22C38/38 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide a method for consistently manufacturing a high-tensile steel plate containing oxidizable elements with beautiful appearance without any bare spot.
SOLUTION: In the method for manufacturing the galvanized high-tensile steel plate, the temperature T of the steel plate dipped in a hot-dip galvanizing bath in a process of executing the hot-dip galvanizing by a continuous hot-dip galvanizing apparatus satisfies the inequalities: T(Zn)+100°C≤T≤T(Zn)+180°C, and 440°C≤T(Zn)≤470°C, where T; the plate temperature T(°C) when the plate is dipped in the hot-dip galvanizing bath, and T(°C); the bath temperature (°C) of the hot-dip galvanizing bath.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于不间断地制造含有可美观外观的可氧化元素的高强度钢板的方法。解决方案：在镀锌高强度钢板的制造方法中，在通过连续热浸镀锌进行热浸镀锌的工序中，将钢板的温度T浸渍在热镀锌浴中仪器满足不等式：T（Zn）+ 100℃≤T≤T（Zn）+ 180℃，440℃≤T（Zn）≤470℃，其中T; 将板浸入热浸镀锌浴中的板温度T（℃）和T（℃）; 热浸镀锌浴的浴温（℃）。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009241090A Method for producing hot dip galvannealed steel sheet having excellent surface quality 有权
标题翻译：用于生产具有优异表面质量的热镀锌钢板的方法
公开(公告)号：JP2009241090A
公开(公告)日：2009-10-22
申请号：JP2008089343
申请日：2008-03-31
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANAKA SHINTARO , IGARASHI YASUO , SATO YOSHIHIRO
IPC分类号： B21B45/08 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/54 , C23C2/02 , C23C2/06 , C23C2/28
摘要： PROBLEM TO BE SOLVED: To provide a hot dip galvannealed steel sheet having excellent appearance quality by suppressing plating alloying unevenness caused by ruggedness on the surface of the steel sheet, unevenness of the crystal grain sizes on the surface of the steel sheet and unevenness in elements on the surface of the steel sheet.
SOLUTION: When a steel having a composition comprising, by mass, 0.001 to 0.003% C, 0.005 to 0.1% Si, 0.01 to 0.4% Mn, 0.005 to 0.03% P and 0.005 to 0.02% S, and the balance Fe with inevitable impurities is hot-rolled, the pressure of descaling discharge water in primary descaling before the start of rough rolling is controlled to 980 to 3,000 KPa, also, a slab surface temperature T when starting the descaling is made to satisfy inequality (A); 1,000≤T≤3,330×(S%)+1,200, further, water for descaling is jetted to the surface of the steel sheet at a water temperature of ≤20°C, and hot rolling primary descaling is performed. Thereafter, the steel sheet is subjected to a rough rolling mill and finish rolling.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过抑制由钢板表面的粗糙度引起的电镀合金化不均匀性，钢板表面的晶粒尺寸的不均匀性以及钢板表面的晶粒尺寸的不均匀性，提供具有优异外观质量的热浸镀锌合金化钢板钢板表面的元素不均匀。＆lt; P＆gt;解决方案：当具有质量含量为0.001至0.003％的Si，0.005至0.1％的Si，0.01至0.4％的Mn，0.005至0.03％的P和0.005至0.02％的S，并且余量的Fe 不可避免的杂质被热轧时，在粗轧开始前的一次除垢中除垢排水的压力控制在980〜3000KPa，另外，开始除鳞时的板坯表面温度T满足不等式（A） ; 1,000≤T≤3,330×（S％）+ 1,200，另外，在水温≤20℃的条件下，向钢板表面喷射除垢皮，并进行热轧一次除垢。然后，对钢板进行粗轧机的精轧。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2008056995A Hot dip galvannealed steel sheet having excellent appearance quality and its production method 有权
标题翻译：具有优异外观质量的热镀锌钢板及其生产方法
公开(公告)号：JP2008056995A
公开(公告)日：2008-03-13
申请号：JP2006235591
申请日：2006-08-31
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANAKA SHINTARO
IPC分类号： C22C38/00 , C21D9/46 , C22C18/00 , C22C38/14 , C23C2/02 , C23C2/06 , C23C2/28 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide a hot dip galvannealed steel sheet having excellent appearance quality.
SOLUTION: Regarding the hot dip galvannealed steel sheet having excellent appearance quality in which the surface of a steel sheet comprising, by mass, 0.001 to 0.01% C, 0.001 to 0.2% Si, 0.01 to 2% Mn, 0.02 to 0.2% P, 0.001 to 0.03% S, 0.005 to 0.1% Al, 0.001 to 0.05% Ti, 0.001 to 0.05% Nb, and the balance Fe with inevitable impurities is provided with an iron-zinc alloy covering comprising ≥85% Zn, the surface layer part of matrix in a depth direction within 20 μm from the matrix surface is composed of ferrite grains satisfying the average crystal grain size of ≤15 μm and also the standard deviation of the crystal grain sizes of ≤8 μm in an observation field of 500μm×500μm.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异外观质量的热浸镀锌合金化热镀锌钢板。＆lt; P＆gt;解决方案：对于具有优异外观质量的热浸镀锌合金化热镀锌钢板，其中钢板表面含有0.001〜0.01％的C，0.001〜0.2％的Si，0.01〜2％的Mn，0.02〜0.2 ％P，0.001〜0.03％S，0.005〜0.1％的Al，0.001〜0.05％的Ti，0.001〜0.05％的Nb，余量的Fe与不可避免的杂质配有含有≥85％Zn的铁锌合金覆层，基体表面的20μm以下的深度方向的基体的表面层部分由满足平均结晶粒径≤15μm的铁素体晶粒和观察场的晶粒尺寸≤8μm的标准偏差构成为500μm×500μm的。版权所有（C）2008，JPO＆INPIT

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