Jul 12 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Fabrication
Applications
Introduction
Copper and its alloys are used in numerous applications ranging from electrical to engineering. There are more than 400 copper alloys available in the market today.
UNS C18090 copper alloy is resistant to non-oxidizing acids, pure water vapor, alkalis and neutral saline solutions. The material is resistant to stress corrosion cracking.
The following datasheet discusses the chemical composition and properties of copper UNS C18090.
Chemical Composition
The chemical composition of copper UNS C18090 is given in the following table.
|
Element |
Content (%) |
|
Tin, Sn |
0.6 |
|
Nickel, Ni |
0.4 |
|
Chromium, Cr |
0.3 |
|
Titanium, Ti |
0.3 |
|
Copper, Cu |
Balance |
Physical Properties
The following table discusses the physical properties of copper UNS C18090.
|
Properties |
Metric |
Imperial |
|
Density |
8.85 g/cm3 |
0.320 lb/in3 |
Mechanical Properties
The mechanical properties of copper UNS C18090 (H02-Temper) are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
482-579 MPa |
70 - 84 ksi |
Thermal Properties
The thermal properties of copper UNS C18090 are tabulated below.
|
Properties |
Metric |
Imperial |
|
Thermal conductivity |
20 W/mK |
139 BTU in/hr.ft².°F |
Fabrication
Copper UNS C18090 alloy cannot be readily machined; however it can be cold worked easily. This alloy is weldable using gas shielded arc welding technique. It can also be welded using laser welding and resistance welding techniques.
Applications
Copper UNS C18090 finds application in:
-
Relay springs
-
Connectors
-
Contact springs
-
Semiconductor components
-
Components for the electrical industry sector