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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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