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- low copper rail steel 低铜钢轨合金钢
- So it is very important for heavy rail steel to adopt deoxidization methods with low aluminum addition. 因此，重轨钢的冶炼采用无铝脱氧工艺。
- Research on Dressing Test of Magnetite with Low Copper and High Sulfur of Xinqiao Mining Co., Ltd. 新桥低铜高硫磁铁矿选矿试验研究。
- Kang S K,Gow K V. Mechanical properties of rare earth metal treated rail steel [J]. Metal Trans, 1979,10A(10) : 1800. 林勤;付廷灵.;高碳钢中稀土元素与碳相互作用的研究[J]
- Unreasonable setting of pH value of the flotation operation stage resulted in low copper grade and recovery during its trial operation. 建厂设计时，分离浮选作业的pH值设定不尽合理，致使试生产阶段铜精矿的品位低，回收率低。
- It is advantageous to control water in the added materials for reducing flake in the heavy rail steel. 控制在各工序加入材料的水分含量对减少重轨钢中的白点是有利的。
- This paper introduces the change of microstructure and properties of the rolled rail steel of CC bloom in hot charging. 文章主要介绍了采用钢轨钢连铸坯热送热装工艺生产钢轨组织的变化和所能达到的各项性能指标。
- The composition analyses on the interface (such as cleavage facet or grain boundary) in the rail steel have been carried out by AES technique. 利用俄歇能谱(AES)分析技术,对钢轨钢的界面(解理面、晶界面)进行成分分析。
- There is one hope for those consumers who yearn for lower copper prices. 对于那些热切地期待着能买到价格便宜的铜的消费者而言,只有一个希望。
- Kang S K, Gow K V. Mechanical properties of rare earth metal treated rail steel [J]. Metal. Trans., 1979, 10A(10): 1800. 林勤;付廷灵.;高碳钢中稀土元素与碳相互作用的研究[J]
- The industrial tests of the hydrogen content variation in molten heavy rail steel were carried out from LD process to VD. 通过工业实验确定了包钢生产重轨钢在VD脱氢前，从转炉到LF精炼后各个工序中钢液中的氢含量变化。
- This paper describes the molten steel condition of heavy rail steel for No.5 continuous caster,the process parameters such as casting rate,superheat temperature,and so on. 文中阐述了5%23铸机生产重轨钢连铸钢水供钢条件、连铸工艺过程中拉速与过热度等工艺参数。
- Response and Action to Low Copper Price 铜企业对铜价低迷的反应及行动
- The bar solder offers the lowest copper dissolution of any lead-free bar on the market, even amongst all common alloys, including Sn63, SAC305 and other lead-free options. 这种焊料棒与市场上销售的任何无铅焊料棒(即便与包括Sn63、SAC305在内的所有常用合金以及其它无铅选项)相比仍能够提供最低的铜熔解量。
- The microstructure and fracture morphology of directly etched fracture sample of rail steel were observed. The relatinos between the microstructure and fracture morphology were discussed. 在经过腐蚀的钢轨钢拉伸断口上进行了显微组织和断口形貌的同步观察，直接观察到了断日形貌特征与显微组织的某些相关结果。
- In addition, alumina is the origin of fatigue crack and thus impairs the fatigue property of bearing steels, rail steels and wheel steels. 另外，氧化铝还是疲劳裂纹的形核核心，致使轴承钢、钢轨钢和车轮钢的疲劳抗力降低。
- Keywords Low copper siderite;Flotation;Comprehensive recovery; 关键词低铜菱铁矿;浮选;综合回收;
- R50-R60: USED RAIL STEEL SCRAP IS SUITABLE FOR RE-ROLLING INTO BARS AND SHAPES. FREE FROM BENT TWISTED RAILS. FROGS, SWITCHES, AND GUARD RAILS, OR RAILS WITH SPLIT RAIL. 美国废钢铁标准R50-R60:废旧钢轨适合用于再轧成其他形状。不含任何弯曲或扭曲轨、道岔、转辙器及制动轨，或有裂口或破底钢轨。
- Keywords low copper mine;hydrometallurgy;leaching;outlook; 低品位铜矿;湿法冶金;浸出;展望;
- Keywords Bulk flotation;Low copper and high sulfur;Sodium sulphite; 等可浮;低铜高硫;亚硫酸纳;
