May 17 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Fabrication
Applications
Introduction
Copper is an excellent electrical conductor, and most of its uses are based on or around this property. Copper, however has many other useful properties such as corrosion resistance, ductility, and good thermal conductivity.
Copper UNS C14415 alloy is a wrought alloy with good corrosion resistance in natural, industrial, and marine environments. This alloy is also resistant to stress corrosion cracking.
The following datasheet discusses the chemical composition and properties of copper UNS C14415.
Chemical Composition
The chemical composition of copper UNS C14415 is given in the following table.
|
Element |
Content (%) |
|
Tin, Sn |
0.15 |
|
Copper, Cu |
Balance |
Physical Properties
The following table discusses the physical properties of copper UNS C14415.
|
Properties |
Metric |
Imperial |
|
Density |
8.9 g/cm3 |
0.323 lb/in3 |
Mechanical Properties
The mechanical properties of copper UNS C14415 (H04-temper) are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
358-427 MPa |
52 - 62 ksi |
|
Modulus of elasticity |
0.0001 GPa |
18.9 106psi |
Thermal Properties
The thermal properties of copper UNS C14415 are tabulated below.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@20-200°C/68-392°F) |
18 µm/m°C |
10 µin/in°F |
|
Thermal conductivity |
29 W/mK |
202 BTU in/hr.ft².°F |
Fabrication
Machinability – Machinability of copper UNS C14415 alloy is rated as fair.
Cold working – Cold working of copper UNS C14415 alloy is rated as excellent.
Welding - Soft Soldering and gas shielded arc welding of this alloy can be performed easily. Laser welding can be performed with good results; however resistance welding can be performed with fair results.
Applications
Copper UNS C14415 finds applications in:
-
Connector pins
-
Transistor components
-
Rectifiers
-
Components for the electrical industry
-
Fuse boxes in automobiles
-
Lead frames for semiconductors