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    Method for producing zinc coated steel sheet
    2.
    发明授权
    Method for producing zinc coated steel sheet 失效
    镀锌钢板的制造方法

    公开(公告)号：US5494706A

    公开(公告)日：1996-02-27

    申请号：US263088

    申请日：1994-06-21

    申请人： Masaki Abe ,  Satoru Ando ,  Toyofumi Watanabe ,  Yukimitsu Shiohara

    发明人： Masaki Abe ,  Satoru Ando ,  Toyofumi Watanabe ,  Yukimitsu Shiohara

    IPC分类号： C23C2/02 ,  C25D15/02

    CPC分类号： C23C2/02

    摘要： A method for producing zinc coated steel sheet comprises the steps of: forming a Ni--P alloy coating layer containing P of 8 to 15 wt. % on at least one surface of a steel sheet; heat-treating the steel sheet coated with the alloy layer in a non-oxidizing atmosphere to form an Fe--Ni--P diffused alloy layer at an interface of the steel sheet and the alloy coating layer; and zinc coating the steel sheet coated with the diffused alloy layer to form a zinc coating layer.

    摘要翻译： 制造镀锌钢板的方法包括以下步骤：形成含有8〜15重量％的P的Ni-P合金涂层。 ％在钢板的至少一个表面上; 在非氧化性气氛中对涂有合金层的钢板进行热处理，在钢板和合金涂层的界面形成Fe-Ni-P扩散合金层; 并涂覆涂有扩散合金层的钢板以形成锌涂层。

    Method of manufacturing plated steel sheet with Zn-Cr composite plating
    3.
    发明授权
    Method of manufacturing plated steel sheet with Zn-Cr composite plating 失效
    镀Zn-Cr复合电镀钢板的方法

    公开(公告)号：US5421988A

    公开(公告)日：1995-06-06

    申请号：US188211

    申请日：1994-01-27

    申请人： Satoru Ando ,  Takayuki Urakawa ,  Masaki Abe ,  Toyofumi Watanabe

    发明人： Satoru Ando ,  Takayuki Urakawa ,  Masaki Abe ,  Toyofumi Watanabe

    IPC分类号： C25D3/56 ,  C25D5/26

    CPC分类号： C25D3/565

    摘要： There is disclosed a method of manufacturing a plated steel sheet with a Zn--Cr composite plating, wherein a total of 0.01 to 300 g/l of at least one type of salt having a pH buffering action in a pH range of 2 to 6 in a bath containing only zinc are added to an acidic Zn--Cr composite plating bath containing zinc ions and trivalent chromium ions to prepare a plating bath, and plating film is formed on a steel sheet using the resultant plating bath.

    摘要翻译： 公开了一种制造具有Zn-Cr复合电镀的电镀钢板的方法，其中在pH范围为2至6的pH范围为2至6的总共0.01至300g / l的至少一种类型的盐缓冲作用的盐 将含有锌的浴加入到含有锌离子和三价铬离子的酸性Zn-Cr复合镀液中以制备电镀浴，并使用所得的电镀浴在钢板上形成镀膜。

    Method for producing galvanized steel sheet
    5.
    发明授权
    Method for producing galvanized steel sheet 失效
    镀锌钢板的生产方法

    公开(公告)号：US5997664A

    公开(公告)日：1999-12-07

    申请号：US870244

    申请日：1997-06-06

    申请人： Kenji Tahara ,  Junichi Inagaki ,  Toyofumi Watanabe ,  Masaaki Yamashita

    发明人： Kenji Tahara ,  Junichi Inagaki ,  Toyofumi Watanabe ,  Masaaki Yamashita

    IPC分类号： C21D8/04 ,  C23C2/02 ,  C21D11/00

    CPC分类号： C23C2/02 ,  C21D8/041 ,  C21D8/0478 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0473

    摘要： Method for producing a galvannealed steel sheet wherein a slab consisting essentially of C in an amount of 0.004 wt. % or less, N in an amount of 0.004 wt. % or less, Ti in an amount of 0.01 to 0.15 wt %, Si in an amount of 0.05 wt. % or less, Mn in an amount up to 2.5 wt. %, P in an amount up to 0.1 wt. %, S in an amount of 0.015 wt. % or less, sol. Al in an amount of 0.02 to 0.1 wt. % and the balance being Fe, is soaked for at least 30 minutes at a specified temperature (range). The soaked slab is hot rolled to produce a hot-rolled steel sheet which is coiled at a temperature of 500 to 700.degree. C. The coiled hot-rolled steel sheet is cold rolled at a reduction ratio of 60% or more to produce a cold-rolled steel sheet which is annealed at a temperature of from recrystallization temperature to Ac3 transformation temperature. Galvanizing the annealed cold-rolled steel sheet and then galvannealing at a temperature of 450 to 600.degree. C.

    摘要翻译： 合金化热浸镀锌钢板的制造方法，其中基本上由C组成的板坯的含量为0.004重量％ ％以下，N为0.004重量％ ％以下，Ti为0.01〜0.15重量％，Si为0.05重量％。 ％以下，Mn为2.5重量％以下。 ％，P量高达0.1wt。 ％，S为0.015wt。 ％以下，溶胶。 Al的量为0.02〜0.1wt。 ％，余量为Fe，在规定温度（范围）下浸泡至少30分钟。 将该浸渍的板坯进行热轧，制成在500〜700℃的温度下卷取的热轧钢板。卷取的热轧钢板以60％以上的压下率进行冷轧以产生冷 在从再结晶温度至Ac3转变温度的温度下退火的钢卷钢板。 对退火的冷轧钢板进行镀锌，然后在450-600℃的温度下进行合金化。

    Method for continuously tin-electroplating metal strip
    6.
    发明授权
    Method for continuously tin-electroplating metal strip 失效
    连续锡电镀金属条的方法

    公开(公告)号：US5391290A

    公开(公告)日：1995-02-21

    申请号：US38529

    申请日：1993-03-29

    申请人： Mikiyuki Ichiba ,  Hiroki Iwasa ,  Toyofumi Watanabe ,  Masaaki Yamashita ,  Katsumi Kojima

    发明人： Mikiyuki Ichiba ,  Hiroki Iwasa ,  Toyofumi Watanabe ,  Masaaki Yamashita ,  Katsumi Kojima

    IPC分类号： C25D3/32 ,  C25D5/20

    CPC分类号： C25D5/20 ,  C25D3/32

    摘要： A method for continuously tin-electroplating a metal strip, which comprises the steps of: causing a DC electric current to flow between a metal strip and an anode arranged adjacent to the metal strip while passing the metal strip at a travelling speed of at least 1 m/minute through an acidic tin-electroplating solution containing tin ions and an organic acid within a range of from 4.8 to 98 g/l as converted into sulfuric acid, to form a tin-electroplating layer on at least one surface of the metal strip; and applying an ultrasonic vibration, emitted from at least one ultrasonic vibrator and having an intensity within a range of from 0.01 to 1,000 W/100 cm.sup.2 and a frequency within a range of from 25 to 55 kHz, to the acidic tin-electroplating solution between the metal strip and the anode, thereby removing a diffusion layer of tin ions existing in the acidic tin-electroplating solution adjacent to the surface of the metal strip.

    摘要翻译： 一种用于连续锡电镀金属带的方法，其特征在于包括以下步骤：使金属带与邻近金属带布置的阳极之间的直流电流流动，同时使金属带以至少1的行进速度通过 m /分钟，通过含有锡离子和有机酸的酸性锡 - 电镀溶液，其转化为硫酸在4.8至98g / l的范围内，以在金属带的至少一个表面上形成锡 - 电镀层 ; 将从至少一个超声波振子发射的强度为0.01〜1000W / 100cm 2，频率范围为25〜55kHz的超声波振动施加到酸性锡 - 电镀液 金属带和阳极，从而除去存在于与金属带的表面相邻的酸性锡 - 电镀溶液中的锡离子的扩散层。

    Nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability
    7.
    发明授权
    Nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability 失效
    耐压成型性和磷化处理性优异的镍合金电镀冷轧钢板

    公开(公告)号：US5336567A

    公开(公告)日：1994-08-09

    申请号：US816372

    申请日：1991-12-30

    申请人： Toyofumi Watanabe ,  Akihiko Furuta ,  Tadashi Ono ,  Yoshinori Yomura ,  Shuichi Iwado

    发明人： Toyofumi Watanabe ,  Akihiko Furuta ,  Tadashi Ono ,  Yoshinori Yomura ,  Shuichi Iwado

    IPC分类号： C22C38/00 ,  C22C38/04 ,  C22C38/14 ,  C23C22/78 ,  C23C28/00 ,  C25D3/56 ,  C25D5/26 ,  C25D5/48 ,  C25D11/02

    CPC分类号： C25D5/48 ,  C22C38/00 ,  C22C38/04 ,  C25D3/562 ,  C25D7/0614 ,  Y10S428/935 ,  Y10T428/1259 ,  Y10T428/12937

    摘要： A nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability, which comprises: (a) a cold-rolled steel sheet consisting essentially of: carbon (C): up to 0.06 wt. %, silicon (Si): up to 0.5 wt. %, manganese (Mn): up to 2.5 wt. %, phosphorus (P): up to 0.1 wt. %, sulfur (S): up to 0.025 wt. %, soluble aluminum (Sol.Al): up to 0.10 wt. %, nitrogen (N): up to 0.005 wt. %, and the balance being iron (Fe) and incidental impurities; (b) a nickel alloy electroplating layer, formed on at least one surface of the cold-rolled steel sheet, the nickel alloy electroplating layer consisting of nickel alloy particles precipitated at a distribution density of at least 1.times.10.sup.12 /m.sup.2, the nickel alloy particles containing at least one of phosphorus (P), boron (B) and sulfur (S) in an amount of 1 to 15 wt. %, the plating weight of the nickel alloy electroplating layer being 5 to 60 mg/m.sup.2 per surface of said cold-rolled steel sheet; and (c) a nickel alloy oxide film, formed on the surface of the nickel alloy electroplating layer, having an average thickness of 0.0002 to 0.005 .mu.m.

    摘要翻译： 一种压制成形性和磷化处理性优异的镍合金电镀冷轧钢板，其特征在于：（a）主要由碳（C）构成的冷轧钢板： ％，硅（Si）：高达0.5wt。 ％，锰（Mn）：高达2.5wt。 ％，磷（P）：高达0.1wt。 ％，硫（S）：高达0.025wt。 ％，可溶性铝（Sol.Al）：高达0.10wt。 ％，氮（N）：至多0.005重量％ ％，余量为铁（Fe）和附带杂质; （b）形成在冷轧钢板的至少一个表面上的镍合金电镀层，由以以至少1×10 12 / m 2的分布密度沉淀的镍合金颗粒组成的镍合金电镀层，含有 磷（P），硼（B）和硫（S）中的至少一种为1〜15wt。 ％，镍合金电镀层的电镀重量为所述冷轧钢板的表面5〜60mg / m2; 和（c）在镍合金电镀层的表面上形成的平均厚度为0.0002〜0.005μm的镍合金氧化膜。

    Method for manufacturing tin-electroplated cold-rolled steel strip
    8.
    发明授权
    Method for manufacturing tin-electroplated cold-rolled steel strip 失效
    镀锡冷轧钢带的制造方法

    公开(公告)号：US5275716A

    公开(公告)日：1994-01-04

    申请号：US029781

    申请日：1993-03-11

    申请人： Katsumi Kojima ,  Mikiyuki Ichiba ,  Hiroki Iwasa ,  Toyofumi Watanabe

    发明人： Katsumi Kojima ,  Mikiyuki Ichiba ,  Hiroki Iwasa ,  Toyofumi Watanabe

    IPC分类号： C25D5/48 ,  C25D7/06

    CPC分类号： C25D5/48

    摘要： A method for manufacturing a tin-electroplated cold-rolled steel strip, which comprises the steps of: continuously annealing a degreased cold-rolled steel strip; then, subjecting, following the continuous annealing treatment, the continuously annealed cold-rolled steel strip to a continuous tin-electroplating treatment in a tin-electroplating bath to form, on at least one surface of the cold-rolled steel strip, a tin-electroplating layer having a plating weight within a range of from 0.1 to 2.8 g/m.sup.2 per surface of the cold-rolled steel strip; and then, temper-rolling, following the continuous tin-electroplating treatment, the cold-rolled steel strip having the tin-electroplating layer on at least one surface thereof, at a reduction ratio within a range of from 1 to 5%.

    摘要翻译： 一种用于制造镀锡冷轧钢带的方法，包括以下步骤：连续退火脱脂冷轧钢带; 然后，在连续退火处理之后，使连续退火的冷轧钢带在锡 - 电镀浴中进行连续锡电镀处理，以在冷轧钢带的至少一个表面上形成锡 - 电镀层，其镀层重量在冷轧钢带表面0.1〜2.8g / m2的范围内; 然后在连续锡电镀处理之后，在其至少一个表面上具有锡 - 电镀层的冷轧钢带以1％至5％的范围内的压缩比进行回火。