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    Aluminum alloy sheet with improved formability and method of production
    2.
    发明授权
    Aluminum alloy sheet with improved formability and method of production 失效
    具有改善成型性和生产方法的铝合金板

    公开(公告)号：US5322741A

    公开(公告)日：1994-06-21

    申请号：US30412

    申请日：1993-04-16

    申请人： Yasuji Uesugi ,  Koichi Hashiguchi ,  Yoshihiro Matsumoto ,  Makoto Imanaka ,  Takaaki Hira ,  Nobuyuki Morito ,  Yoichi Tobiyama ,  Nobuo Totsuka ,  Motohiro Nabae

    发明人： Yasuji Uesugi ,  Koichi Hashiguchi ,  Yoshihiro Matsumoto ,  Makoto Imanaka ,  Takaaki Hira ,  Nobuyuki Morito ,  Yoichi Tobiyama ,  Nobuo Totsuka ,  Motohiro Nabae

    IPC分类号： C23C2/02 ,  C23C2/28 ,  C23C28/00 ,  C23C30/00 ,  C25D5/44 ,  B32B15/20 ,  C22F1/04

    CPC分类号： C23C30/00 ,  C23C2/02 ,  C23C2/28 ,  C23C28/00 ,  C25D5/44 ,  Y10T428/12736 ,  Y10T428/12757

    摘要： The invention provides an aluminum alloy sheet having improved formability, an elongation of at least 30%, a sliding frictional resistance of up to 0.13 and minimized surface pressure dependency of sliding frictional resistance, comprising an aluminum alloy substrate containing at least 4 wt % of Mg and a Fe rich plating layer on a surface thereof in a coating weight of 1 to 50 g/m.sup.2. Also provided is a bake hardenable, surface treated aluminum alloy sheet having improved formability, an elongation of at least 25%, a sliding frictional resistance of up to 0.13 and minimized surface pressure dependency of sliding frictional resistance, comprising a bake hardenable aluminum alloy substrate containing Mg and Si in an amount of at least 0.4 wt % calculated as Mg.sub.2 Si and a Fe rich plating layer on a surface thereof in coating weight of 1 to 50 g/m.sup.2. By forming a zincate layer as an undercoat below the Fe rich plating layer, the plating adhesion is further improved. The preferred Fe rich plating layer is a Fe-Zn alloy plating layer containing 20 to 80 wt % of Zn for corrosion resistance improvement. A Fe-Zn alloy plating layer containing 30 to 40 wt % of Zn meets both formability and corrosion resistance.

    摘要翻译： PCT No.PCT / JP92 / 00931 Sec。 371日期：1993年04月16日 102（e）日期1993年4月16日PCT提交1992年7月22日PCT公布。 第WO93 / 02225号公报 日本公开1993年2月4日。本发明提供一种铝合金板，其具有改进的成形性，伸长率至少为30％，滑动摩擦阻力高达0.13，并且滑动摩擦阻力的表面压力依赖性最小化，包括含有 表面上含有至少4重量％的Mg和富Fe镀层，涂层重量为1〜50g / m 2。 还提供了具有改进的成型性，至少25％的伸长率，至多0.13的滑动摩擦阻力和最小化的滑动摩擦阻力的表面压力依赖性的烘烤可硬化的表面处理的铝合金板，其包括含有 Mg和Si的量为至少0.4重量％，其表面上的Mg 2 Si和Fe富镀层的涂层重量为1至50g / m 2。 通过在富Fe镀层下形成作为底涂层的锌酸盐层，进一步提高镀层附着力。 优选的富Fe镀层是含有20〜80重量％的Zn以提高耐腐蚀性的Fe-Zn合金镀层。 含有30〜40重量％Zn的Fe-Zn合金镀层满足成型性和耐腐蚀性。

    Cr-Mo Steel for use as very thick plates of 75 mm or more for oil refinery, coal liquefaction and coal gasification equipment
    4.
    发明授权
    Cr-Mo Steel for use as very thick plates of 75 mm or more for oil refinery, coal liquefaction and coal gasification equipment 失效
    Cr-Mo钢用作炼油厂，煤液化和煤气化设备的75mm或更大的非常厚的板

    公开(公告)号：US4400225A

    公开(公告)日：1983-08-23

    申请号：US298147

    申请日：1981-08-31

    申请人： Masaaki Ishikawa ,  Syuzo Ueda ,  Makoto Imanaka

    发明人： Masaaki Ishikawa ,  Syuzo Ueda ,  Makoto Imanaka

    IPC分类号： C22C38/00 ,  C22C38/22 ,  C22C38/32 ,  F16J12/00

    CPC分类号： C22C38/32 ,  C22C38/22

    摘要： A Cr-Mo steel which is suitable for use as extremely thick plates of 75 mm or greater for pressel vessels of oil refinery, coal liquefaction and coal gasification equipment. The Cr-Mo steel includes 0.09 to 0.17 wt % of carbon, 0.03 to 0.50 wt % of silicon, 0.45 to 0.70 wt % of manganese, 1.80 to 3.40 wt % of chromium, 0.80 to 1.20 wt % of molybdenum, 0.035 to 0.1 wt % of aluminum and 0.0010 to 0.0040 wt % of boron and the balance iron and impurities inevitably mixed in steel-making processes. The Cr-Mo steel of such compositions is highly excellent in high-temperature strength, toughness and hydrogen attack resistance.

    摘要翻译： 适用于炼油厂，煤液化和煤气化设备压力容器75 mm以上的极厚板的Cr-Mo钢。 Cr-Mo钢包括0.09至0.17重量％的碳，0.03至0.50重量％的硅，0.45至0.70重量％的锰，1.80至3.40重量％的铬，0.80至1.20重量％的钼，0.035至0.1重量％ 的铝和0.0010〜0.0040重量％的硼，余量的铁和杂质在制钢过程中不可避免地混合。 这种组合物的Cr-Mo钢的高温强度，韧性和耐氢侵蚀性都非常优异。