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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, Shiraishi
Yoshimasa, Takahashi
Tsutomu, Watanabe
Masato
Application Number:
PCT/JP1993/001541
Publication Date:
May 11, 1994
Filing Date:
October 26, 1993
Export Citation:
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Assignee:
MITSUBISHI MATERIALS CORPORATION CHO
Toshiyuki, Shiraishi
Yoshimasa, Takahashi
Tsutomu, Watanabe
Masato
International Classes:
C22C9/00; (IPC1-7): C22C9/00
Foreign References:
JPS6059033A
JPS5854180B2
JPS62218534A
JPS63293129A
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