发明公开
EP0630981A1 COLD- AND HOT-WATER PIPING MADE OF PITTING-RESISTANT COPPER ALLOY
失效
KALT- UND WARMWASSERLEITUNG HERGESTELLT AUSLOCHFRASSBESTÄNDIGERKUPFERLEGIERUNG。
- 专利标题： COLD- AND HOT-WATER PIPING MADE OF PITTING-RESISTANT COPPER ALLOY
- 专利标题（中）： KALT- UND WARMWASSERLEITUNG HERGESTELLT AUSLOCHFRASSBESTÄNDIGERKUPFERLEGIERUNG。
-
申请号： EP94903030.8申请日： 1993-12-21
-
公开(公告)号： EP0630981A1公开(公告)日： 1994-12-28
- 发明人: CHO, Toshiyuki, Chuo-Kenkyusho , SHIRAISHI, Yoshimasa, Chuo-Kenkyusho , TAKAHASHI, Tsutomu, Chuo-Kenkyusho , WATANABE, Masato, Kitamoto-Plant
- 申请人： MITSUBISHI MATERIALS CORPORATION
- 申请人地址： 5-1, Otemachi 1-chome Chiyoda-ku, Tokyo 100 JP
- 专利权人： MITSUBISHI MATERIALS CORPORATION
- 当前专利权人： MITSUBISHI MATERIALS CORPORATION
- 当前专利权人地址： 5-1, Otemachi 1-chome Chiyoda-ku, Tokyo 100 JP
- 代理机构： Deufel, Paul, Dr.
- 优先权： JP356713/92 19921222; JP357641/92 19921224; JP357642/92 19921224; JP116435/93 19930420; JP116436/93 19930420; JP116437/93 19930420; JP117950/93 19930421
- 国际公布： WO9414989 19940707
- 主分类号： C22C9/00
- IPC分类号： C22C9/00 ; F16L9/02
摘要：
A cold- and hot-water piping made of a pitting-resistant copper alloy which contains niobium and/or tantalum in a total amount of 0.005-5 wt. %, further contains, if necessary, at least one element selected from among: (i) yttrium and/or zirconium in a total amount of 0.005-1 wt. %, (ii) tin and/or silver in a total amount of 0.05-5 wt. %, (iii) at least one element selected from the group consisting of titanium and R (rare earth elements other than yttrium) in a total amount of 0.005-1 wt. %, and (iv) tungsten in an amount of 0.003-0.5 wt. %, and still further contains, if necessary, phosphorus in an amount of 0.005-0.5 wt. %.
公开/授权文献
信息查询
