Jul 16 2013
Topics Covered
Introduction
Chemical Composition
Mechanical Properties
Thermal Properties
Applications
Introduction
A copper alloy is an alloy made up of primarily copper, mixed with different alloying elements to give rise to an entire range of materials, each of which having maximized strength, ductility, formability, machinability, or electrical conductivity.
The following datasheet discusses the chemical composition and properties of copper UNS C82200.
Chemical Composition
The chemical composition of copper UNS C82200 is given in the following table.
|
Element |
Content (%) |
|
Nickel, Ni |
1-3 |
|
Beryllium, Be |
0.35-0.8 |
|
Cobalt, Co |
0.3 |
|
Silicon, Si |
0.15 |
|
Copper, Cu |
Remainder |
Mechanical Properties
The mechanical properties of UNS C82200 copper alloy (as-cast) are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
345 MPa |
50000 psi |
|
Yield strength |
170 MPa |
24700 psi |
|
Elongation |
20 % |
20 % |
|
Modulus of elasticity |
114 GPa |
16500 ksi |
|
Rockwell B hardness |
55 |
55 |
Thermal Properties
The thermal properties of UNS C82200 copper alloys are outlined in the following table.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@ 20-200°C/68-392°F) |
16.2 µm/m°C |
9 µin/in°F |
|
Thermal conductivity (@ 20°C/ 68°F) |
183 W/mK |
1270 BTU in/hr.ft2.°F |
Applications
Copper UNS C82200 finds application in:
-
Water-cooled holder
-
Bushings
-
Beam welder shapes
-
Spot welding tips
-
Projection welding dies
-
Seam welder electrodes
-
Brake drums
-
Clutch rings