Abstract: A cutting-free bronze alloy which is substantially free of lead contains 1 to 13 wt. % of tin, not larger than 18 wt. % of zinc, 0.5 to 6 wt. % of bismuth, 0.05 to 3 wt. % of antimony, not larger than 1 wt. % of phosphorus, less than 0.4 wt. % of lead, and the balance being copper. The alloy may further contain 0.1 to 3 wt. % of nickel. When 3 to 8 wt. % of tin and 6 to 10 wt. % of zinc are present, the alloy is particularly suitable for use as a plumbing faucet and fixture. Likewise, when 8.5 to 13 wt. % of tin and not larger than 1 wt. % of zinc are present, the alloy is suitable for use as a sliding member.
Type:
Grant
Filed:
November 28, 2000
Date of Patent:
July 16, 2002
Assignees:
Tabuchi Corp., Chuetsu Metal Works Co., Ltd.