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Generic Classification of Copper Alloys

Generic Name

 UNS No.

 Composition

Wrought Alloys
Coppers   C10100-C15760 99% Cu
High-copper alloys C16200-C19600

96% Cu

Brasses C20500-C28580

Cu-Zn

Leaded brasses C31200-C38590 Cu-Zn-Pb
Tin brasses    C40400-C49080 Cu-Zn-Sn-Pb
Phosphor bronzes  C50100-C52400 Cu-Sn-P
Leaded phosphor bronzes  C53200-C54800 Cu-Sn-Pb-P
Copper-phosphorus and  C55180-C55284 Cu-P-Ag
   Copper-silver-phosphorous alloys    
Aluminum bronzes  C60600-C64400

Cu-Al-Ni-Fe-Si-Sn

Silicon bronzes C64700-C66100 Cu-Si-Sn
Other copper-zinc alloys  C66400-C69900  
Copper-nickels C70000-C79900 Cu-Ni-Fe
Nickel silvers C73200-C79900 Cu-Ni-Zn
Cast Alloys
Coppers C80100-C81100 99% Cu
High-copper alloys C81300-C82800 94% Cu
Red and leaded red brasses C83300-C85800 Cu-Zn-Sn-Pb (75-89% Cu)
Yellow and leaded yellow brasses C85200-C85800 Cu-Zn-Sn-Pb (57-74% Cu)
Manganese bronzes and  C86100-C86800 Cu-Zn-Mn-Fe-Pb
Leaded manganese bronzes
Silicon bronzes, silicon brasses C87300-C87900 Cu-Zn-Si
Tin bronzes and leaded tin bronzes   C90200-C94500

Cu-Sn-Zn-Pb

Nickel-tin bronzes C94700-C94900 Cu-Ni-Sn-Zn-Pb
Aluminum bronzes   C95200-C95810 Cu-Al-Fe-Ni
Copper-nickels C96200-C96800   Cu-Ni-Fe
Nickel silvers C97300-C97800 Cu-Ni-Zn-Pb-Sn
Leaded coppers  C98200-C98800 Cu-Pb
Special alloys C99300-C99750