发明名称 Railway rolling stock wheel rim or wheel is made from steel with specified chemical composition
摘要 A wheel rim or one-piece wheel for railway rolling stock is made from a special bearing steel containing the following chemical composition, expressed as a percentage of its weight: The relationship of Si/Mn is between 1.8 and 2.2 : 1 The relationship of V : Mo : Cr : Mn is 1 : 2.2 - 3.2 : 3.2 - 3.8 : 4.2 4.8.
申请公布号 FR2800670(A1) 申请公布日期 2001.05.11
申请号 FR19990013910 申请日期 1999.11.05
申请人 FAG OEM UND HANDEL AG 发明人 PROSCHEL EDGAR;STANGNER HEINZ
分类号 B60B17/00;C22C38/00;C22C38/02;C22C38/04;C22C38/12;C22C38/42;C22C38/44;C22C38/46 主分类号 B60B17/00
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