US2011129383A1PendingUtilityA1
Copper-zinc alloy
Assignee: CHAN WEN COPPER INDUSTRY CO LTDPriority: Nov 27, 2009Filed: Nov 27, 2009Published: Jun 2, 2011
Est. expiryNov 27, 2029(~3.3 yrs left)· nominal 20-yr term from priority
Inventors:Tsu-Shu Yang-Tung
C22C 9/04
29
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Claims
Abstract
A copper-zinc alloy includes 56-65% by weight copper (Cu), 0.2-2.0%, by weight, of Tin (Sn) for improving tensile strength of Copper (Cu) and for strengthening the corrosion resistance of Zinc (Zn), 0.1-1.0%, by weight, of Aluminum (Al) for improving the yielding and tensile strength and corrosion resistance of the alloy, 0.01-0.6%, by weight, of Nickel (Ni) for strengthening the yielding and the tensile strength and the resistance and the heat conductivity of the alloy, lower than 0.5%, by weight, of Ferrite (Fe), with the balance being Zinc (Zn) and inevitable impurities.
Claims
exact text as granted — not AI-modified1 . A copper-zinc alloy comprising: 56-65%, by weight, of Copper (Cu), 0.2-2.0%, by weight, of Tin (Sn), 0.1-1.0%, by weight, of Aluminum (Al), 0.01-0.6%, by weight, of Nickel (Ni), lower than 0.5%, by weight, of Ferrite (Fe), with the balance being zinc (Zn) and inevitable impurities.
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