Title:
PITTING-RESISTANT COPPER ALLOY PIPE FOR WATER AND HOT-WATER SUPPLY
Document Type and Number:
WIPO Patent Application WO/1994/010352
Kind Code:
A1
Abstract:
A pitting-resistant water and hot-water supply pipe made of a copper alloy containing at least one member selected between 0.005-1 wt. % of Y and 0.005-1 wt. % of Zr, optionally at least one member selected from the group consisting of: (a) at least either Sn or Ag in a total amount of 0.05-5 wt. %, (b) at least either Ti or R (a rare earth element except Y) in a total amount of 0.005-1 wt. %, and (c) W in an amount of 0.005-1 wt. %, further optionally 0.005-0.5 wt. % of P, and the balance consisting of Cu and inevitable impurities.
Inventors:
CHO TOSHIYUKI (JP)
SHIRAISHI YOSHIMASA (JP)
TAKAHASHI TSUTOMU (JP)
WATANABE MASATO (JP)
SHIRAISHI YOSHIMASA (JP)
TAKAHASHI TSUTOMU (JP)
WATANABE MASATO (JP)
Application Number:
PCT/JP1993/001541
Publication Date:
May 11, 1994
Filing Date:
October 26, 1993
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
CHO TOSHIYUKI (JP)
SHIRAISHI YOSHIMASA (JP)
TAKAHASHI TSUTOMU (JP)
WATANABE MASATO (JP)
CHO TOSHIYUKI (JP)
SHIRAISHI YOSHIMASA (JP)
TAKAHASHI TSUTOMU (JP)
WATANABE MASATO (JP)
International Classes:
C22C9/00; (IPC1-7): C22C9/00
Foreign References:
| JPS6059033A | 1985-04-05 | |||
| JPS5854180B2 | 1983-12-03 | |||
| JPS62218534A | 1987-09-25 | |||
| JPS63293129A | 1988-11-30 |
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