Sep 11 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesThermal Properties
Introduction
Copper alloys are available in more than 400 varieties. Each copper alloy variety has specific properties that suit a number of manufacturing processes, environments and applications. Some of the copper alloy forms include:
- Beryllium copper
- Nickel silver
- Tin bronze
- Brass
- Phosphor bronze
- Gunmetal
- Aluminum bronze
- Copper-nickel
The following datasheet provides an overview of UNS C41500 copper alloys.
Chemical Composition
The chemical composition of UNS C41500 copper alloys is outlined in the following table.
| Element |
Content (%) |
| Cu |
91 |
| Sn |
1.8 |
| Zn |
7.2 |
Physical Properties
The following table shows the physical properties of UNS C41500 copper alloys.
| Properties |
Metric |
Imperial |
| Melting point - liquidus |
1032°C |
1890°F |
| Melting point - solidus |
1010°C |
1850°F |
| Density |
8.8 gm/cm3 @ 20°C |
0.318 lb/in3 @ 68°F |
Mechanical Properties
The mechanical properties of UNS C41500 copper alloys are displayed in the following table.
| Properties |
Metric |
Imperial |
| Tensile strength |
317-558 MPa |
46000-80900 psi |
| Yield strength (depending on temper) |
117-517 MPa |
17000-75000 psi |
| Elongation at break (in 50.8 mm) |
44.00% |
44.00% |
| Shear modulus |
46.0 GPa |
6670 ksi |
| Poisson's ratio |
0.34 |
0.34 |
| Elastic modulus |
117 GPa |
16969 ksi |
Thermal Properties
The thermal properties of UNS C41500 copper alloys are given in the following table.
| Properties |
Metric |
Imperial |
| Thermal expansion co-efficient (@20-300°C/68-572°F) |
18.6 µm/m°C |
10.3 µin/in°F |
| Thermal conductivity (@20°C/68°F) |
123 W/mK |
854 BTU in/hr.ft².°F |