Sep 13 2012
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications
Introduction
Pure copper has good electrical and thermal conductivity. More than 400 varieties of copper alloys are available. UNS C18150 chromium copper alloys have high strength and wear resistance at elevated temperatures. They are available in the form of bar, rod and plate.
The following datasheet gives details about UNS C18150 chromium copper alloys.
Chemical Composition
The following table shows the chemical composition of UNS C18150 copper alloys.
|
Element |
Content (%) |
|
Cr |
1 |
|
Cu |
98.85 |
|
Zr |
0.15 |
Physical Properties
The physical properties of UNS C18150 copper alloys are outlined in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
8.89 g/cm3 |
0.321 lb/in3 |
Mechanical Properties
The mechanical properties of UNS C18150 copper alloys are tabulated below.
|
Properties |
Metric |
Imperial |
|
Hardness, Rockwell B (@ 50.8 - 76.2 mm/ 2.00 - 3.00 in.) |
65 |
65 |
|
Hardness, Rockwell B (@ 25.4 - 50.8 mm/ 1.00 - 2.00 in.) |
70 |
70 |
|
Hardness, Rockwell B (@ 25.4 mm/1.00 in., heat treated) |
≥ 75 |
≥ 75 |
|
Tensile strength at break (any thickness) |
≥ 379 MPa |
≥ 55000 psi |
|
Yield strength (@ 0.500%, any thickness) |
≥ 379 MPa |
≥ 55000 psi |
|
Modulus of elasticity |
117 GPa |
17000 ksi |
|
Poisson’s ratio |
0.181 |
0.181 |
|
Shear modulus |
49.6 GPa |
7200 ksi |
Thermal Properties
The thermal properties of UNS C18150 copper alloys are given in the following table.
|
Properties |
Metric |
English |
|
Thermal conductivity |
323.4 W/mK |
2244 BTU in/hr.ft².°F |
Applications
UNS C18150 copper alloys are mainly used in high stress and high temperature applications that include:
-
Electrical components
-
Welding electrodes
-
Studs
-
Contacts