Aug 6 2012
Table of Contents
Introduction Chemical Composition Physical PropertiesMechanical PropertiesOther DesignationFabrication and Heat Treatment Machinability Welding Forging Hot Working Cold Working AnnealingApplications
Introduction
Pure copper has high thermal and electrical conductivity. The UNS C14500 phosphorus deoxidized tellurium-bearing copper alloy has 90 to 96% IACS conductivity and free machining properties.
Chemical Composition
The following table shows the chemical composition of the UNS C14500 copper alloy.
| Element |
Content (%) |
| Cu |
99.5 |
| Te |
0.50 |
| P |
0.008 |
Physical Properties
The physical properties of the UNS C14500 copper alloy are outlined in the following table.
| Properties |
Metric |
Imperial |
| Density |
8.94 g/cc |
0.323 lb/in3 |
| Melting point |
1051°C |
1924°F |
Mechanical Properties
The mechanical properties of the UNS C14500 copper alloy are tabulated below.
| Properties |
Metric |
Imperial |
| Tensile strength |
221-386 MPa |
32-56 ksi |
| Yield strength |
69-352 MPa |
10-51 kso |
| Poisson's ratio |
0.34 |
0.34 |
| Elastic modulus |
117 GPa |
16970 ksi |
Other Designation
Other designations that are equivalent to the UNS C14500 copper alloy include:
- ASME B16.22
- ASTM B124
- ASTM B216
- ASTM B224
- ASTM B283
- ASTM B301
- ASTM B442
- ASTM B5
- ASTM B623
- SAE J462
- SAE J463
Fabrication and Heat Treatment
Machinability
The machinability rate of UNS C14500 copper alloy is 85.
Welding
Brazing, soldering, butt welding, oxyacetylene welding, and gas shielded arc welding methods are recommended for welding UNS C14500 copper alloy. Coated metal arc welding, seam welding, and spot welding methods should not be used for welding this alloy.
Forging
Forging of the UNS C14500 copper alloy can be done at 760 to 871°C (1400 to 1600°F). Forgeability of this alloy is 65.
Hot Working
The UNS C14500 copper alloy has good hot working properties.
Cold Working
The UNS C14500 copper alloy has good cold working capacity.
Annealing
Annealing of the UNS C14500 copper alloy can be performed at temperatures ranging from 427 to 849°C (800 to 1200°F).
Applications
The UNS C14500 copper alloy is used in applications that require high machinability and conductivity. It is also used in welding and cutting torch tips.