公开(公告)号：US20020074065A1

公开(公告)日：2002-06-20

申请号：US10080312

申请日：2002-02-21

申请人： Sumitomo Metal Industries, Inc.

发明人： Takashi Fujimura ,  Taizo Makino

IPC分类号： C22C038/02 ,  C22C038/04

CPC分类号： C22C38/001 ,  C21D9/34 ,  C22C38/40

摘要： Disclosed is a steel alloy that includes as alloying ingredients carbon, silicon, manganese, aluminum, and oxygen. In accordance with this embodiment of the disclosed invention, carbon is present in an amount ranging from 0.40 to 0.77 wt. %; silicon is present in an amount ranging from 0.40 to 1.20 wt. %; manganese is present in an amount ranging from 0.40 to 1.20 wt. %, aluminum is present in an amount ranging from 0.003 to 0.060 wt. %; and oxygen is present in an amount ranging up to 0.0030 wt. %. Also disclosed is a railway wheel that comprises a hub, a rim, and a connecting plate. In accordance with this embodiment of the disclosed invention, at least the rim, and preferably the entire railway wheel, is composed of the disclosed steel composition.

摘要翻译： 公开了一种钢合金，其包括作为合金成分的碳，硅，锰，铝和氧。 根据所公开的本发明的该实施方案，碳的存在量为0.40至0.77wt。 ％; 硅的存在量为0.40至1.20重量％。 ％; 锰的存在量为0.40至1.20重量％。 ％，铝的含量为0.003-0.060wt。 ％; 氧气的存在量可达0.0030wt。 ％。 还公开了一种包括轮毂，轮辋和连接板的铁路车轮。 根据所公开的本发明的这个实施例，至少轮辋，最好是整个铁路车轮由所公开的钢组合物构成。