发明名称 HIGH CARBON CONTENT AND HIGH STRENGTH HEAT-TREATED STEEL RAIL AND METHOD FOR PRODUCING THE SAME
摘要 A high carbon content and high strength heat-treated steel rail including by weight 0.80-1.20% carbon, 0.20-1.20% silicon, 0.20-1.60% manganese, 0.15-1.20% chromium, 0.01-0.20% vanadium, 0.002-0.050% titanium, less than or equal to 0.030% phosphorus, less than or equal to 0.030% sulfur, less than or equal to 0.010% aluminum, less than or equal to 0.0100% nitrogen, and iron. The steel rail has excellent wear resistance and plasticity and can satisfy the requirement for overloading. A method for producing the steal rail by heating a slab to a heating temperature, multi-pass rolling, and accelerated cooling, wherein a maximum heating temperature (° C.) of said slab is equal to 1,400 minus 100[% C], [% C] representing the carbon content (wt. %) of said slab multiplied by 100.
申请公布号 US2011253268(A1) 申请公布日期 2011.10.20
申请号 US20100953382 申请日期 2010.11.23
申请人 PANGANG GROUP CO., LTD.;PANGANG GROUP PANZHIHUA STEEL & VANADIUM CO., LTD.;PANGANG GROUP RESEARCH INSTITUTE CO., LTD. 发明人 ZOU MING;MEI DONGSHENG;XU QUAN;DENG YONG;GUO HUA;LIU MING;TANG LI;ZHAO YUN;TAO GONGMING
分类号 C21D9/04;C22C38/00;C22C38/18;C22C38/20;C22C38/22 主分类号 C21D9/04
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