Nov 13 2012
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Fabrication and Heat Treatment
Annealing
Cold Working
Welding
Forging
Machinability
Hot Working
Applications
Introduction
Copper alloys are available in a variety of forms. UNS C15100 alloy is a zirconium copper alloy.
It has excellent corrosion resistance along with excellent hot or cold workability. It is often used in high temperature circuit breakers, commutators and soldering welding tips.
The following datasheet provides an overview of UNS C15100 alloy.
Chemical Composition
The chemical composition of UNS C15100 alloy is outlined in the following table.
| Element |
Content (%) |
| Cu |
99.9 |
| Zr |
0.050-0.15 |
| Al |
0.0050 |
| Fe |
0.0050 |
| Mn |
0.0050 |
Physical Properties
The following table shows the physical properties of UNS C15100 alloy.
| Properties |
Metric |
Imperial |
| Density |
8.94 g/cm³ |
0.323 lb/in³ |
Mechanical Properties
The mechanical properties of UNS C15100 alloy are displayed in the following table.
| Properties |
Metric |
Imperial |
| Hardness, Rockwell B |
32 |
32 |
| Tensile strength |
295 MPa |
42800 psi |
| Yield strength |
240 MPa |
34800 psi |
| Elongation at break (In 50 mm) |
22.00% |
22.00% |
| Machinability (UNS C36000 (free-cutting brass) = 100) |
20 |
20 |
Thermal Properties
The thermal properties of UNS C15100 alloy are given in the following table.
| Properties |
Metric |
Imperial |
| Thermal expansion co-efficient (@20-300°C/68-572°F) |
17.7 µm/m°C |
9.83 µin/in°F |
| Thermal conductivity (@20°C/68°F) |
360 W/mK |
2500 BTU in/hr.ft².°F |
Other Designations
Equivalent material to UNS C15100 alloy is ASTM B747.
Fabrication and Heat Treatment
Annealing
UNS C15100 alloy can be annealed between 449 and 552°C (840 and 1025°F).
Cold Working
UNS C15100 alloy has excellent cold working capacity.
Welding
Welding processes suitable for UNS C15100 alloy include brazing, soldering and butt welding. Welding processes not recommended for this alloys include seam welding, oxyacetylene welding, coated metal arc welding, spot welding and gas shielded arc welding.
Forging
UNS C15100 alloy can be forged between 760 and 871°C (1400 and 1600°F).
Machinability
The machinability rating of UNS C15100 alloy is 20.
Hot Working
UNS C15100 alloy can be hot formed in an excellent manner.
Applications
UNS C15100 alloy is used in applications that include:
- Soldering welding tips
- Switches
- Commutators
- High temperature circuit breakers
- Rectifiers
- Stub bases for power transmitters