Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Xiao Xie0
Jihua Cai0
Ming Zhang0
Siqi Zhang0
Haorong Lou0
Date of Patent
December 8, 2009
0Patent Application Number
105722220
Date Filed
June 11, 2004
0Patent Primary Examiner
Patent abstract
A lead-free free-cutting copper-antimony alloy comprises in percentage by weight: 55 to 65% Cu, 0.3 to 2.0% Sb, 0.2 to 1.0% Mn, at least two elements selected from the group of Ti, Ni, B, Fe, Se, Mg, Si, Sn, P and rare-earth metal in amount of 0.1-1.0%, as well as balance Zn and unavoidable impurities. The brass alloys according to the present invention possess superior cutting property, weldability, corrosion resistance, dezincification resistance and high-temperature-oxidation resistance, and are suitable for use in drinking-water installations, domestic appliances, toy for children, fastener, etc. The process for producing such alloys is also proposed.
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