| 发明名称 |
Rail having high resistance to wear in its head and high resistance to rupture in its foot |
| 摘要 |
The invention relates to a rail having high resistance to wear in its head and high resistance to rupture in its foot. It is the characteristic feature of the invention that after rolling followed by heat treatment the rail has a fine pearlitic structure in the head and a martensitic annealed grain structure in the foot. The invention also includes preferred methods of heat treatment for the rail.
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| 申请公布号 |
US4575397(A) |
申请公布日期 |
1986.03.11 |
| 申请号 |
US19840656400 |
申请日期 |
1984.10.01 |
| 申请人 |
KRUPP STAHL AKTIENGESELLSCHAFT |
发明人 |
HELLER, WILHELM |
| 分类号 |
B21B1/08;B21B1/085;B21B3/00;C21D9/04;C22C38/00;E01B5/02;(IPC1-7):C21D9/04;C21D1/18 |
主分类号 |
B21B1/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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