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1. 发明授权

US5858129A Austenite stainless steel 失效
标题翻译：奥氏体不锈钢
公开(公告)号：US5858129A
公开(公告)日：1999-01-12
申请号：US903103
申请日：1997-07-30
申请人： Yutaka Kobayashi , Takeya Toge , Yoshito Fujiwara
发明人： Yutaka Kobayashi , Takeya Toge , Yoshito Fujiwara
IPC分类号： C22C38/00 , C22C30/00 , C22C38/54 , C22C38/38
CPC分类号： C22C30/00
摘要： Disclosed is an austenite stainless steel comprising: no more than 0.05% by weight of C; no more than 0.25% by weight of Si; no more than 0.40% by weight of Mn; no more than 0.040% by weight of P; no more than 0.003% by weight of S; 30.0 to 40.0% by weight of Ni; 20.0 to 26.0% by weight of Cr; 5.0 to 8.0% by weight of Mo; no more than 0.1% by weight of Al; 0.001 to 0.010% by weight of B; 0.15 to 0.30% by weight of N; and balance of Fe and inevitable impurity. The austenite stainless steel satisfying formula (1) and (2) mentioned below (wherein "Cr", "Mo", "N", "Si" and "Mn" mean content of each element).Cr+3.3Mo+20N.gtoreq.51 (1)5Si+Mn
摘要翻译：公开了一种奥氏体不锈钢，其包含：不超过0.05重量％的C; 不超过0.25重量％的Si; 不超过0.40重量％的Mn; 不超过0.040重量％的P; 不超过0.003％的S; 30.0〜40.0重量％的Ni; 20.0〜26.0重量％的Cr; 5.0〜8.0重量％的Mo; 不超过0.1重量％的Al; 0.001〜0.010重量％的B; 0.15〜0.30重量％的N; 并且Fe和不可避免的杂质的平衡。满足下述式（1）和（2）的奥氏体不锈钢（其中“Cr”，“Mo”，“N”，“Si”和“Mn”表示各元素的含量）Cr + 3.3Mo + 20N> / = 51（1）5Si + Mn <32-（Cr + Mo）（2）

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