Jul 11 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications
Introduction
Copper, in combination with other metals, is characterized by its potential to form alloys that modify its color and improve its workability, durability and corrosion and wear resistance. The most common alloys include bronze, brass and cupro-nickel.
The following datasheet discusses the chemical composition and properties of copper UNS C82800.
Chemical Composition
The chemical composition of copper UNS C82800 is given in the following table.
|
Element |
Content (%) |
|
Beryllium, Be |
2.5-2.85 |
|
Cobalt, Co |
0.35-0.7 |
|
Iron, Fe |
0.25 |
|
Silicon, Si |
0.2-0.35 |
|
Nickel, Ni |
0.2 |
|
Aluminum, Al |
0.15 |
|
Tin, Sn |
0.1 |
|
Zinc, Zn |
0.1 |
|
Chromium, Cr |
0.09 |
|
Lead, Pb |
0.02 |
|
Copper, Cu |
Remainder |
Physical Properties
The following table discusses the physical properties of copper UNS C82800.
|
Properties |
Metric |
Imperial |
|
Density |
8.09 g/cm3 |
0.292 lb/in3 |
Mechanical Properties
The mechanical properties of UNS C82800 copper alloy (M01-Temper) are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
550 MPa |
79800 psi |
|
Yield strength |
345 MPa |
50000 psi |
|
Elongation |
10% |
6% |
|
Rockwell B hardness |
88 |
88 |
Thermal Properties
The thermal properties of UNS C82800 copper alloys are outlined in the following table.
|
Properties |
Metric |
Imperial |
|
Thermal expansion coefficient (@ 20-200°C/68-392°F) |
95 µm/m°C |
659 µin/in°F |
|
Thermal conductivity (@ 20°C/68°F) |
0.420 W/mK |
0.1 BTU in/hr.ft3.°F |
Other Designations
Equivalent materials to UNS C82800 copper alloy are the following:
-
CA 828
-
FED QQ-C-390
-
MIL-T-16243
-
MIL-C-19464
Applications
Copper UNS C82800 finds application in:
-
Bearings
-
Molds for plastic parts