Jul 15 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Other Designations
Applications
Introduction
UNS designations C64700 to C66100 indicate silicon bronzes, a specific category of copper alloys. Due to their good workability, durability, and attractive golden bronze color, silicon bronzes are the preferred choice of metalsmiths and sculptors.
Copper UNS C64700 is a silicon bronze wrought alloy that has moderate strength and good corrosion resistance, and is similar to C64200 alloy. The following datasheet discusses the chemical composition and properties of copper UNS C64700.
Chemical Composition
The chemical composition of copper UNS C64700 is given in the following table.
Element |
Content (%) |
Nickel, Ni |
1.6-2.2 |
Zinc, Zn |
0.5 |
Silicon, Si |
0.4-0.8 |
Lead, Pb |
0.1 |
Iron, Fe |
0.1 |
Copper, Cu |
Balance |
Physical Properties
The following table discusses the physical properties of copper UNS C64700.
Properties |
Metric |
Imperial |
Density |
8.9 g/cm3 |
0.323 lb/in3 |
Melting point |
1060°C |
1940°F |
Other Designations
Other designations that are equivalent to copper UNS C64700 include:
Applications
Copper UNS C64700 is used in:
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Fasteners
-
Marine fittings
-
Pole line hardware
-
Valve guides and valve stems