发明授权
US5505797A Method of producing ferritic stainless steel strip with small intra-face
anisotropy
失效
生产具有小面内各向异性的铁素体不锈钢带的方法
- 专利标题: Method of producing ferritic stainless steel strip with small intra-face anisotropy
- 专利标题(中): 生产具有小面内各向异性的铁素体不锈钢带的方法
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申请号: US411293申请日: 1995-03-27
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公开(公告)号: US5505797A公开(公告)日: 1996-04-09
- 发明人: Takeshi Yokota , Susumu Satoh , Takumi Ujiro , Fusao Togashi , Makoto Kobayashi , Shohei Kanari
- 申请人: Takeshi Yokota , Susumu Satoh , Takumi Ujiro , Fusao Togashi , Makoto Kobayashi , Shohei Kanari
- 申请人地址: JPX
- 专利权人: Kawasaki Steel Corporation
- 当前专利权人: Kawasaki Steel Corporation
- 当前专利权人地址: JPX
- 优先权: JPX6-058583 19940329
- 主分类号: B21B3/02
- IPC分类号: B21B3/02 ; C21D8/02 ; C21D8/04
摘要:
A method of producing a ferritic stainless steel strip having reduced intra-face anisotropy as well as excellent r value and anti-ridging characteristics. The method involves subjecting a ferritic stainless steel slab to a hot rolling step including rough rolling having at least one rough rolling pass and a finish rolling having at least one finish rolling pass, followed by a hot-rolled sheet annealing, pickling, cold rolling and finish annealing. At least one of the passes in the rough rolling is conducted with the rolling temperature between about 970.degree. C. to about 1150.degree. C., the friction coefficient between the rolls and the rolled material of about 0.3 or less, and the rolling reduction ratio between about 40 to about 75%.
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