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    • 91. 发明申请
    • PRESERVATIVE STEEL PLATE HAVING HIGH RESISTANCE WELDABILITY, CORROSION RESISTANCE AND PRESS FORMABILITY FOR AUTOMOBILE FUEL TANKS
    • 具有高耐磨性的耐腐蚀钢板,耐汽蚀燃料罐的耐腐蚀性和可压缩性
    • WO1998004760A1
    • 1998-02-05
    • PCT/JP1997002673
    • 1997-07-31
    • NIPPON STEEL CORPORATIONIZAKI, TeruakiMAKI, JunFUDA, MasahiroOKADA, NobuyoshiOHMORI, Takayuki
    • NIPPON STEEL CORPORATION
    • C23C28/00
    • B05D7/51C23C28/00C23C28/321C23C28/345Y10T428/12264Y10T428/12493Y10T428/12569Y10T428/13
    • A preservative steel plate including (a) a steel plate, (b) an aluminum plating layer formed on one or both sides of the steel plate and using aluminum or an aluminum alloy containing 2-15 wt.% of silicon, and (c) a coating layer formed on at least one aluminum plating layer mentioned above. The aluminum plating layer is one of i) a resin chromate film of 0.1-2 mu m in thickness containing a resin and a chromate and having a resin/metallic chromium weight ratio of 0.5-18; ii) an inorganic chromate film the amount of which is 10-200 mg/m in terms of metallic chromium, containing 100 parts by weight of chromate in terms of metallic chromium and 100-1000 parts by weight of colloidal silica in terms of metallic chromium, and one or more of 100-600 parts by weight of phosphate, 10-200 parts by weight of phosphonate and less than 50 parts by weight of resin; iii) an inorganic chromate film the amount of which is not less than 10 mg/m and less than 35 mg/m in terms of metallic chromium. The aluminum-plated steel plate is suitable for fuel tanks. An automobile fuel tank having high durability, formability and weldability, and a fuel tank seam welding method are also disclosed.
    • 1.一种防腐钢板,其特征在于,包括:(a)钢板,(b)在所述钢板的一面或两面上形成的铝镀层,使用含有2〜15重量%的硅的铝或铝合金,(c) 形成在上述至少一个镀铝层上的涂层。 铝镀层是i)厚度为0.1〜2μm的含有树脂和铬酸盐并且树脂/金属铬重量比为0.5-18的树脂铬酸盐膜之一; ii)以金属铬计的量为10-200mg / m 2的无机铬酸盐膜,含有以金属铬计为100重量份的铬酸盐和100-1000重量份的胶体二氧化硅 的金属铬,以及100-600重量份的磷酸盐,10-200重量份的膦酸盐和小于50重量份的树脂中的一种或多种; iii)以金属铬计,其量不小于10mg / m 2且小于35mg / m 2的无机铬酸盐膜。 镀铝钢板适用于燃油箱。 还公开了具有高耐久性,成形性和焊接性的燃料箱缝焊方法。
    • 92. 发明申请
    • ALLOY FOIL FOR LIQUID-PHASE DIFFUSION BONDING BONDABLE IN OXIDIZING ATMOSPHERE
    • 用于在氧化大气中的液相扩散接合的合金箔
    • WO1998002271A1
    • 1998-01-22
    • PCT/JP1997002422
    • 1997-07-11
    • NIPPON STEEL CORPORATIONHASEGAWA, YasushiTSURU, EijiSATOU, YuuichiOZAKI, Shigekatsu
    • NIPPON STEEL CORPORATION
    • B23K20/00
    • B23K35/3033B23K35/0233Y10T428/12431
    • A nickel-base alloy foil for liquid-phase diffusion bonding bondable in an oxidizing atmosphere which, when various alloys or iron-base materials are used as an object to be bonded, can ensure a joint having a homogeneous texture and a satisfactory joint strength in a short time in the air. The nickel-base alloy foil has a composition comprising indispensable diffusion elements of, in terms of atomic percentage, either 1.0 to 20.0 % of B or P or 1.0 to 20.0 % of B and 1.0 to 20.0 % of P, less than 0.5 to 15 % or less than 0.5 to 10.0 % of Si, and 0.1 to 20.0 % of V with the balance consisting essentially of Ni and unavoidable impurities, the thickness of the alloy foil being 3 to 100 m. If necessary, at least one member selected among Cr, Mn (or Mo), and Co and/or at least one member selected among W, Nb, and Ti may be incorporated each in a suitable amount. The crystal structure of the texture is substantially amorphous and more effective.
    • 用于在氧化气氛中粘结的液相扩散接合的镍基合金箔,当使用各种合金或铁基材料作为待接合物体时,可以确保具有均匀质地和令人满意的接合强度的接头 在空中短暂的时间 镍基合金箔具有包含不可缺少的扩散元素的组成,按原子百分比计,B或P为1.0〜20.0%,B为1.0〜20.0%,P为1.0〜20.0%,小于0.5〜15 小于等于或小于0.5至10.0%的Si和0.1至20.0%的V,余量基本上由Ni和不可避免的杂质组成,合金箔的厚度为3至100μm。 如果需要,可以以合适的量将至少一种选自Cr,Mn(或Mo)和Co和/或至少一种选自W,Nb和Ti的成员。 纹理的晶体结构基本上是无定形的并且更有效。
    • 97. 发明申请
    • IRON-BASE SCRAP PREHEATING APPARATUS AND METHOD
    • 铁基预烧装置及方法
    • WO1997030320A1
    • 1997-08-21
    • PCT/JP1997000383
    • 1997-02-13
    • NIPPON STEEL CORPORATIONHARADA, ToshiyaSHIGEYAMA, YukinoriTAKEUCHI, Mitsugu
    • NIPPON STEEL CORPORATION
    • F27D13/00
    • C21C5/565C21C5/40C21C5/42F27B3/18F27B7/00F27D13/002Y02P10/216Y02P10/265Y02P10/283Y10S266/901
    • In order to preheat iron-base scrap comprising iron pieces of wide ranges of size and shapes at a high efficiency so that these pieces are not fused to one another, a rotary kiln type preheating furnace and a shaft furnace type preheating furnace are provided in parallel in a stage preceding the stage of a melting furnace in which the scrap is melted, and preheated scrap from the two preheating furnaces is placed in the melting furnace. A damper is provided between the shaft furnace type preheating furnace and melting furnace so as to introduce an exhaust gas from the melting furnace into the rotary kiln type preheating furnace while preventing the exhaust gas from directly entering the shaft furnace type preheating furnace, and the exhaust gas passing through the rotary kiln type preheating furnace is introduced into the shaft furnace type preheating furnace preferably from an upper portion thereof and discharged from a lower portion thereof. The rotary kiln type preheater and/or the shaft furnace type preheating furnace is provided with an air or oxygen inlet for burning inflammable components of the exhaust gas.
    • 为了高效率地预热包含宽范围尺寸和形状的铁片的铁基废料,使得这些片彼此不熔合,并联地设置回转窑式预热炉和竖炉式预热炉 在熔融炉的阶段之前的阶段,其中废料熔化,并且将来自两个预热炉的预热废料放置在熔炉中。 在竖炉式预热炉和熔炉之间设有阻尼器,以便将排气从熔炉引入回转窑式预热炉,同时防止废气直接进入竖炉型预热炉,排气 通过回转窑式预热炉的气体优选从其上部引入竖炉型预热炉,并从其下部排出。 回转窑式预热器和/或竖炉式预热炉设置有用于燃烧废气的易燃部件的空气或氧气入口。
    • 98. 发明申请
    • HOT STRIP ROLLING MILL
    • 热轧滚轧机
    • WO1997025164A1
    • 1997-07-17
    • PCT/JP1997000014
    • 1997-01-08
    • NIPPON STEEL CORPORATIONOGAWA, SHIGERUKIKUMA, ToshioHIGO, TsuyoshiSUZUKI, Noriyuki
    • NIPPON STEEL CORPORATION
    • B21C47/34
    • B21C47/003B21B39/006B21B39/12B21B39/14B21B41/00B21B45/0218B21B2015/0057B21C47/34B21C47/3475B21C47/3483
    • A strip tip restriction apparatus capable of gripping the distal end of a strip and moving it at a high speed from the exit of a finish rolling mill to a down coiler while imparting a tension to the strip is disposed on a strip cooling line so disposed as to extend between the finish rolling mill and the down coiler of a hot strip rolling mill, and a pinch roll and a cooling water jet apparatus constituting the strip cooling line are allowed to move in a direction of the upper and lower surfaces of the strip in accordance with the movement of the strip tip restriction apparatus. Furthermore, an auxiliary driving apparatus for imparting initial acceleration to the strip tip restriction apparatus and/or a strip edge retaining apparatus for easily moving the distal end portion of the hot strip from the strip tip restriction apparatus to the down coiler are provided to the hot strip rolling mill.
    • 能够夹持条带的远端并且将其从精轧机的出口高速移动到下卷取机同时向带材施加张力的条带末端限制装置设置在条状冷却管线上, 在热轧带钢轧机的精轧机和下卷机之间延伸,并且构成带钢冷却线的夹送辊和冷却水喷射装置被允许沿着钢带的上表面和下表面的方向移动 根据条带尖端限制装置的移动。 此外,将用于向带末端限制装置和/或带状边缘保持装置施加初始加速度的辅助驱动装置用于将热带的远端部分从条带尖端限制装置移动到下卷取机被提供到热 带钢轧机。