Nov 12 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesThermal PropertiesOther DesignationsFabrication and Heat Treatment Machinability Welding Heat Treatment
Introduction
Aluminum bronze - copper casting alloy UNS C95500 is an alloy of copper-aluminum-iron and copper-aluminum-iron-nickel. UNS C95500 copper alloy is anti-corrosive, resistant to biofouling and thermally stable.
The following datasheet provides the chemical composition and properties of UNS C95500 alloy.
Chemical Composition
The chemical composition of UNS C95500 copper alloy is given in the following table.
| Element |
Content (%) |
| Al, Aluminium/Aluminum |
10.0 - 11.5 |
| Cu, Copper |
78.0 |
| Fe, Iron |
3.0 - 5.0 |
| Mn, Manganese |
3.50 |
| Ni, Nickel |
3.0 - 5.50 |
| Other |
0.50 |
Physical Properties
The following table details the physical properties of UNS C95500 alloy.
| Properties |
Metric |
Imperial |
| Density |
7.53 g/cm3 |
0.272 lb/in³ |
Mechanical Properties
The mechanical properties of UNS C95500 copper alloy are shown in the following table.
| Properties |
Metric |
Imperial |
| Elastic modulus |
117 GPa |
16969 ksi |
| Poisson's ratio |
0.34 |
0.34 |
| Hardness, Brinell |
192 |
192 |
| Hardness, Rockwell B |
87 |
87 |
| Elongation at break |
5.00% |
5.00% |
| Machinability |
50 |
50 |
| Izod impact |
18.0 J |
13.3 ft.lb |
| Compressive strength |
895 MPa |
130000 psi |
| Fatigue strength |
215 MPa |
31200 psi |
| Shear modulus |
42.0 GPa |
6090 ksi |
| Shear strength |
44.0 MPa |
6380 psi |
Thermal Properties
The following table outlines the thermal properties of UNS C95500 alloy.
| Properties |
Metric |
Imperial |
| Thermal expansion co-efficient (20.0 - 300°C/68.0 - 572°F) |
16.2 µm/m°C |
9.00 µin/in°F |
| Thermal conductivity (20°C/68°F) |
42.0 W/mK |
291 BTU in/hr.ft°F |
Other Designations
Equivalent designations to UNS C95500 copper alloy include:
- ASTM B148
- ASTM B271
- ASTM B30
- ASTM B505
- ASTM B763
- ASTM B806
- QQ C390
- SAE J461
- SAE J462
Fabrication and Heat Treatment
Machinability
UNS C95500 alloy has a machinability rating of 50.
Welding
The preferred welding techniques for UNS C95500 copper alloy are soldering, gas shielded arc welding, brazing and coated metal arc welding. Oxyacetylene welding and carbon arc welding are not recommended for this alloy.
Heat Treatment
The stress relieving temperature of UNS C95500 alloy is 316°C (600°F). UNS C95500 copper alloy does not respond to heat treatment. The solution heat treatment of UNS C95500 alloy is between 860 and 890°C (1585 and 1635°F).