Weldable black steel sheet
    4.
    发明授权
    Weldable black steel sheet 失效
    可焊黑钢板

    公开(公告)号:US5589279A

    公开(公告)日:1996-12-31

    申请号:US290675

    申请日:1994-08-15

    摘要: A black steel sheet having a sufficiently small coating thickness to allow the welding of the steel sheet, and yet exhibiting an excellently black surface, but also having high corrosion resistance, adhesive strength and formability. It is a steel sheet having a surface plated with zinc or zinc alloy, and carrying a chromate film formed on its plated surface, and a black film formed on the chromate film from a composition comprising specific proportions of a water-soluble or water-dispersible thermosetting resin and a water-soluble black dye, and having a sufficiently small thickness. The composition may further contain a solid lubricant, or a granular rust-inhibitive pigment, or both.

    摘要翻译: 具有足够小的涂层厚度以允许钢板焊接,但表现出优异的黑色表面,而且具有高耐腐蚀性,粘合强度和成形性的黑色钢板。 它是具有镀锌或锌合金的表面并且在其镀覆表面上形成的铬酸盐膜的钢板,以及由含有特定比例的水溶性或水分散性的组合物形成在铬酸盐膜上的黑色膜 热固性树脂和水溶性黑色染料,并且具有足够小的厚度。 该组合物还可以含有固体润滑剂或颗粒状防锈颜料,或两者。

    Weldable black steel sheet with low-gloss appearance
    5.
    发明授权
    Weldable black steel sheet with low-gloss appearance 失效
    具有低光泽外观的可焊接黑色钢板

    公开(公告)号:US5387473A

    公开(公告)日:1995-02-07

    申请号:US36991

    申请日:1993-03-24

    IPC分类号: B05D7/14 C09D7/00 B32B15/08

    摘要: A steel sheet plated with zinc or a zinc alloy carries a chromate film formed on each side thereof and having a coating weight of 1 to 200 mg/m.sup.2 in terms of metallic chromium, and a black film formed at least on the chromate film on one side thereof. The black film contains 100 parts by weight of a thermosetting resin which is soluble in an organic solvent, 1 to 200 parts by weight of a black dye which is also soluble in an organic solvent, and 1 to 100 parts by weight of organic resin particles. It may further contain 1 to 100 parts by weight of fine inorganic particles, or a solid lubricant, or both. The black film has a thickness of 0.3 to 5.0 microns which is sufficiently small to permit the welding of the sheet, and yet has an excellently black surface. The organic resin particles, etc., which are used as a matting agent, give the film a surface of low gloss which resists visible staining by fingerprints.

    摘要翻译: 镀锌或锌合金的钢板在其每一侧上载有形成铬酸盐膜,其镀铬量为金属铬换算为1〜200mg / m 2,至少在铬酸盐膜上形成黑色膜 侧。 该黑色膜包含100重量份的可溶于有机溶剂的热固性树脂,1至200重量份也可溶于有机溶剂的黑色染料和1至100重量份的有机树脂颗粒 。 还可以含有1〜100重量份的无机微粒,或固体润滑剂,或两者。 该黑色膜的厚度为0.3至5.0微米,其足够小以允许片材的焊接,而且具有非常好的黑色表面。 用作消光剂的有机树脂颗粒等为膜提供低光泽的表面,其抗指纹的可见染色。

    Method for producing galvanized steel sheet
    6.
    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

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

    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
    7.
    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

    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。

    Zinc-plated steel plate having resin coating film
    8.
    发明授权
    Zinc-plated steel plate having resin coating film 失效
    具有树脂涂膜的镀锌钢板

    公开(公告)号:US5496652A

    公开(公告)日:1996-03-05

    申请号:US53876

    申请日:1993-04-27

    摘要: A zinc-plated steel sheet having a resin coating film formed on the surface is obtained by forming a chromate treating layer on the surface of a base steel sheet plated with zinc or a zinc alloy, said chromate treating layer being deposited in an amount of 1 to 200 mg/m.sup.2 in terms of metal chromium, followed by forming a resin coating film on the chromate treating layer in a thickness of 0.1 to 5 .mu.m, said resin coating film being based on a composite resin material including a resin composition and at most 50% by weight of silica, said resin composition containing an ethylene-based ionomer resin and a silane compound having in the molecule a single silicon atom and 2 to 4 silyl ether bonds and/or its condensate.

    摘要翻译: 通过在镀锌或锌合金的基体钢板的表面上形成铬酸盐处理层,得到在表面上形成有树脂涂膜的镀锌钢板,所述铬酸盐处理层以1 至200mg / m 2,然后在铬酸盐处理层上形成厚度为0.1-5μm的树脂涂膜,所述树脂涂膜基于包含树脂组合物的复合树脂材料和 最多50重量%的二氧化硅,所述树脂组合物含有乙烯类离聚物树脂和分子内具有单个硅原子和2〜4个甲硅烷基醚键的硅烷化合物和/或其缩合物。

    Organic composite coated steel sheet and a process for manufacturing the
same
    10.
    发明授权
    Organic composite coated steel sheet and a process for manufacturing the same 失效
    有机复合涂层钢板及其制造方法

    公开(公告)号:US5429880A

    公开(公告)日:1995-07-04

    申请号:US988947

    申请日:1993-03-09

    摘要: An organic composite coated steel sheet having a high cosmetic corrosion resistance and excellent image clarity which is desired on, for example, the outside of an outer plate forming an automobile body. The steel sheet has a chromate layer formed on the surface of a zinc or a zinc alloy plate steel sheet, and containing a specific weight of chromium, and an organic resin film formed on the chromate layer from a mixture in specific proportions of a blocked urethane-modified epoxy resin and a rust-preventing additive, and having a thickness of 0.2 to 2 microns. The resin is a mixture in specific proportions of a modified epoxy resin (A) which consists of an epoxy resin and a polyfunctional amine, and may further contain a monoisocyanate, or phosphoric acid, and a blocked urethane (B) which consists of a high molecular weight polyol having a molecular weight of 400 or more, a polyisocyanate and a blocking agent. A process for manufacturing the strip is also disclosed.

    摘要翻译: PCT No.PCT / JP92 / 00891 Sec。 371日期1993年3月9日 102(e)日期1993年3月9日PCT提交1992年7月10日PCT公布。 公开号WO93 / 01004 日本1993年1月21日。在例如形成汽车车体的外板的外侧,期望具有高耐化妆品腐蚀性和优异的图像清晰度的有机复合涂层钢板。 该钢板在锌或锌合金板钢的表面上形成铬酸盐层,并且含有比重为铬的铬酸盐层和由特定比例的阻挡聚氨酯形成在铬酸盐层上的有机树脂膜 改性环氧树脂和防锈添加剂,其厚度为0.2至2微米。 树脂是由环氧树脂和多官能胺组成的改性环氧树脂(A)的特定比例的混合物,并且还可以含有单异氰酸酯或磷酸,和由高分子组成的封端的聚氨酯(B) 分子量为400以上的分子量多元醇,多异氰酸酯和封端剂。 还公开了一种制造带材的方法。