发明授权
- 专利标题: Process for manufacturing hot extruded alloy products
- 专利标题(中): 制造热挤压合金产品的工艺
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申请号: US401978申请日: 1982-07-26
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公开(公告)号: US4462844A公开(公告)日: 1984-07-31
- 发明人: Tsunetoshi Takahashi , Masao Suzuki , Tadayuki Okinaka
- 申请人: Tsunetoshi Takahashi , Masao Suzuki , Tadayuki Okinaka
- 申请人地址: JPX Tokyo
- 专利权人: Nippon Steel Corporation
- 当前专利权人: Nippon Steel Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX56-115227 19810724
- 主分类号: B21C23/08
- IPC分类号: B21C23/08 ; B21C23/00 ; B21C25/02 ; B22D11/128 ; C21D7/13 ; C21D8/00 ; C22F1/10 ; C21D7/04 ; C21D7/06
摘要:
A process for manufacturing a hot extruded product from a continuously cast stainless steel or super alloy billet comprises cold working the surface of the billet, heating the billet to extrude it and at the same time to provide a fine recrystallized structure in its surface layer, and hot extruding the billet.
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