Jul 3 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications
Introduction
Aluminum bronze alloys have an attractive golden color and better corrosion resistance than brasses or tin bronzes.
For many applications, copper UNS C95520 replaces C63020 alloy as it is available in tube form, which provides economic cost savings to the customer.
The following datasheet discusses the chemical composition and properties of copper UNS C95520.
Chemical Composition
The chemical composition of copper UNS C95520 is given in the following table.
|
Element |
Content (%) |
|
Copper, Cu |
74.5 |
|
Aluminum, Al |
10.5-11.5 |
|
Nickel, Ni |
4.2-6 |
|
Iron, Fe |
4-5.5 |
|
Manganese, Mn |
1.5 |
|
Zinc, Zn |
0.3 |
|
Tin, Sn |
0.25 |
|
Cobalt, Co |
0.2 |
|
Silicon, Si |
0.15 |
|
Chromium, Cr |
0.05 |
|
Lead, Pb |
0.03 |
Physical Properties
The following table discusses the physical properties of copper UNS C95520.
|
Properties |
Metric |
Imperial |
|
Density |
7.53 g/cm3 |
0.272 lb/in3 |
Mechanical Properties
The mechanical properties of UNS C95520 copper alloy (TH04-temper) are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
862 MPa |
125 ksi |
|
Yield strength |
665 MPa |
95 ksi |
|
Elongation |
2% |
2% |
|
Brinell hardness |
262 |
262 |
Thermal Properties
The thermal properties of UNS C95520 copper alloys are outlined in the following table.
|
Properties |
Metric |
Imperial |
|
Thermal expansion coefficient |
16.2 ppm/°C |
9 ppm/°F |
|
Thermal conductivity |
42 W/mK |
24 BTU in/hr.ft².°F |
Other Designations
Equivalent materials to UNS C95520 copper alloy are the following:
-
AMS 4881
-
ASTM B271
-
SAE J462
-
SAE J461
-
ASTM B505
-
ASTM B30
Applications
Copper UNS C95520 finds application in:
-
Rock bit bearings and bushings
-
Off-highway truck bushings
-
Marine pump parts
-
Military aircraft components and tank track bearings,
-
Cams, shafting and valve balls, cryogenics, and drill guide bushings.