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    Flexible minimum energy utlilisation electric arc furnace system and processes for making steel products.
    1.
    发明公开
    Flexible minimum energy utlilisation electric arc furnace system and processes for making steel products. 审中-公开
    以最少的能源消耗灵活的电弧炉系统以及用于生产钢产品的方法

    公开(公告)号：EP2527476A1

    公开(公告)日：2012-11-28

    申请号：EP12275038.3

    申请日：2012-04-05

    申请人： A. Finkl & Sons Co.

    发明人： Guliana, John A. ,  Brada, Guy A. ,  Ericksen, Christian H. ,  Liimatainen, Bruce C. ,  Underys, Algirdas A.

    IPC分类号： C21C5/52 ,  C21C7/00 ,  C21C7/10 ,  C22B9/20

    CPC分类号： C21C5/52 ,  C21C7/0075 ,  C21C7/10 ,  C22B9/20 ,  Y02P10/216

    摘要： A combined arc furnace, ladle metallurgical furnace and vacuum degassing system having the flexibility to produce at least non-vacuum arc remelt, vacuum arc remelt, vacuum oxygen decarburised non-vacuum arc remelt, and vacuum oxygen decarburised vacuum arc remelt steels from one off to continuous casting end uses in steady state or randomised order which utilises only a minimum of energy attributable to preheating hot metal contacting components of the system followed by heat loss reduction of the components and use of a carryover heel in the arc furnace, in which the throughput of the system is limited solely by the melting capacity of the arc furnace.

    摘要翻译： 一种组合电弧炉具有，钢包冶金炉和真空脱气系统的灵活性，以产生至少非真空电弧重熔，真空电弧重熔，真空氧气脱碳非真空电弧重熔，并在真空氧气脱碳真空电弧重熔钢从一个关闭以 连续铸造的最终用途在稳定状态或随机顺序仅最小能量的属性能够预热热金属接触其次组分的减少的热损失和使用结转脚跟的电弧炉的系统的部件，这utilisés其中吞吐量 该系统是由电弧炉的熔炼能力来限制。

    Die casting steel and method for manufacture
    5.
    发明公开
    Die casting steel and method for manufacture 有权
    StahlfürGiessformen und Verfahren zur Herstellung

    公开(公告)号：EP0955388A1

    公开(公告)日：1999-11-10

    申请号：EP99303136.8

    申请日：1999-04-22

    申请人： A. FINKL & SONS CO.

    发明人： Underys, Algirdas A. ,  Brada, Guy A.

    IPC分类号： C22C38/22 ,  C22C38/24 ,  C21C7/10

    CPC分类号： C21D7/10 ,  C21D1/18 ,  C21D1/34 ,  C22C38/22 ,  C22C38/24

    摘要： A die casting die and a Cr-Mo-V steel therefore having an ultimate strength of 190,000 psi, a yield strength of 160,000, a tempering response of 400 BHN at a tempering temperature of 1150°F and final gas contents of N-70 ppm, 0-30 ppm and H - about 1.0 ppm following a double vacuum melting process which includes vacuum arc degassing and vacuum arc remelt followed by annealing and heating in two stages to 1885F, soaking, rapid quenching, tempering twice and stress tempering.

    摘要翻译： 因此，铸造模具和Cr-Mo-V钢具有极限强度为190,000psi，屈服强度为16万，回火温度为1150°F时的回火响应为400 BHN，最终气体含量为N-70ppm ，0-30ppm，H - 约1.0ppm，其中包括真空电弧脱气和真空电弧重熔，然后退火和加热两个阶段至1885°F，浸泡，快速淬火，回火两次和应力回火。