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    • 2. 发明申请
    • APPARATUS FOR MANUFACTURING STEEL TUBE AND METHOD FOR MANUFACTURING THE SAME
    • 用于制造钢管的装置及其制造方法
    • US20070050967A1
    • 2007-03-08
    • US11465813
    • 2006-08-21
    • Gi KimKyung KimYong KimSun KimJae SimJong Kim
    • Gi KimKyung KimYong KimSun KimJae SimJong Kim
    • B21C37/06B21B1/46
    • C23C2/006C23C2/00C23C2/02C23C2/12Y10T29/4998Y10T29/5185
    • An apparatus and method for manufacturing a steel tube are provided. The apparatus includes: a tube-forming device for forming a steel plate into a steel tube; a heat treatment device connected in-line to the tube-forming device to heat the steel tube to a high temperature; a pre-treatment device for annealing the steel tube and providing a reduction atmosphere; and a plating device including a pot for storing a SeAHLume alloy composed of aluminum and zinc in a molten state, a level block selectively inserted into the molten alloy to adjust a level of the molten alloy, and a plating part into which the molten alloy flows in response to insertion of the level block and through which the steel tube passes substantially vertically. Therefore, it is possible to manufacture a steel tube having a plated surface to improve its corrosion-resistance.
    • 提供一种用于制造钢管的设备和方法。 该装置包括:用于将钢板形成钢管的管形成装置; 与管形成装置成直线连接的热处理装置,将钢管加热到高温; 用于退火钢管并提供还原气氛的预处理装置; 以及电镀装置,其包括用于储存熔融状态的由铝和锌组成的SeAHLume合金的罐,选择性地插入熔融合金中的级块,以调节熔融合金的水平,以及熔融合金流入的镀层 响应于水平块的插入,并且钢管通过其基本垂直地穿过。 因此,可以制造具有电镀表面的钢管,以提高其耐腐蚀性。