Nov 12 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesThermal PropertiesOther DesignationsFabrication and Heat Treatment Annealing Cold Working Welding Forging Machinability Hot Working
Introduction
UNS C40500 alloys are high conductivity bronze alloys. The following datasheet provides an overview of these alloys.
Chemical Composition
The chemical composition of UNS C40500 high conductivity bronze alloys is outlined in the following table.
| Element |
Content (%) |
| Cu |
95 |
| Sn |
1 |
| Zn |
4 |
Physical Properties
The following table shows the physical properties of UNS C40500 high conductivity bronze alloys.
| Properties |
Metric |
Imperial |
| Density |
8.83 g/cm3 |
0.319 lb/in³ |
Mechanical Properties
The mechanical properties of UNS C40500 high conductivity bronze alloys are displayed in the following table.
| Properties |
Metric |
Imperial |
| Poisson's ratio |
0.34 |
0.34 |
| Elastic modulus |
117 GPa |
16969 ksi |
Thermal Properties
The thermal properties of UNS C40500 high conductivity bronze alloys are given in the following table.
| Properties |
Metric |
Imperial |
| Thermal conductivity (@20°C/68°F) |
165 W/mK |
1150 BTU in/hr.ft².°F |
Other Designations
Equivalent materials to UNS C40500 high conductivity bronze alloys are ASTM B591 alloys.
Fabrication and Heat Treatment
Annealing
UNS C40500 bronze alloys are annealed between 454 and 677°C (850 and 1250°F).
Cold Working
UNS C40500 bronze alloys have excellent cold working capacity.
Welding
Welding processes that suit UNS C40500 bronze alloys include gas shielded arc welding, brazing, oxyacetylene welding, soldering, seam welding, butt welding and spot welding. Coated metal arc welding is not recommended for these alloys.
Forging
UNS C40500 bronze alloys can be forged between 829 and 896°C (1525 and 1635°F).
Machinability
UNS C40500 bronze alloys have a machinability rating of 20.
Hot Working
UNS C40500 bronze alloys have fair hot forming capacity.