发明申请
US20070248484A1 Steel Shell for a Suction Roll and a Method of Producing a Steel Product
审中-公开
用于吸辊的钢壳和生产钢产品的方法
- 专利标题： Steel Shell for a Suction Roll and a Method of Producing a Steel Product
- 专利标题（中）： 用于吸辊的钢壳和生产钢产品的方法
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申请号： US11574266申请日： 2005-08-19
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公开(公告)号： US20070248484A1公开(公告)日： 2007-10-25
- 发明人: Mats Liljas , Pelle Johansson , Conny Bergkvist
- 申请人： Mats Liljas , Pelle Johansson , Conny Bergkvist
- 优先权： SE0402141-6 20040907
- 国际申请： PCT/SE05/01220 WO 20050819
- 主分类号： C22C38/58
- IPC分类号： C22C38/58 ; C22C33/00 ; C22C38/20 ; C22C38/22
摘要：
A suction roll shell having a plurality of through holes is made of a stainless ferrite-austenite steel having a micro-structure essentially consisting of 35-65% by volume of ferrite and 35-65% by volume of austenite. The steel has a composition containing, among other things, 0.005-0.07 C and 0.15-0.30 N, in % by weight.
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