Sep 11 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesOther DesignationsFabrication and Heat Treatment Annealing Cold Working Welding Forging Machinability Hot Working
Introduction
Copper alloys exist in more than 400 varieties. Each copper alloy variety has specific properties that suit a number of manufacturing processes, environments and applications. Some of the copper alloy forms include:
- Beryllium copper
- Nickel silver
- Tin bronze
- Brass
- Phosphor bronze
- Gunmetal
- Aluminum bronze
- Copper-nickel
The datasheet below provides an overview of UNS C41300 copper alloys.
Chemical Composition
The chemical composition of UNS C41300 copper alloys is outlined in the following table.
| Element |
Content (%) |
| Cu |
90.0 |
| Sn |
1.0 |
| Zn |
9.0 |
Physical Properties
The following table shows the physical properties of UNS C41300 copper alloys.
| Properties |
Metric |
Imperial |
| Density |
8.80 g/cm3 |
0.318 lb/in³ |
Mechanical Properties
The mechanical properties of UNS C41300 copper alloys are displayed in the following table.
| Properties |
Metric |
Imperial |
| Tensile strength |
283-724 MPa |
41000-105000 psi |
| Yield strength (depending on temper) |
83.0-565 MPa |
12000-81900 psi |
| Elongation at break (in 50.8 mm) |
45.00% |
45.00% |
| Machinability (UNS C36000 (free-cutting brass) = 100) |
2 |
2 |
| Poisson's ratio |
0.34 |
0.34 |
| Elastic modulus |
117 GPa |
16969 ksi |
Other Designations
Equivalent materials UNS C41300 copper alloys include ASTM B591 alloys.
Fabrication and Heat Treatment
Annealing
UNS C41300 copper alloys can be annealed between 482 and 760°C (900 and 1400°F).
Cold Working
UNS C41300 copper alloys have excellent cold working capacity.
Welding
UNS C41300 copper alloys suitable for brazing, oxyacetylene welding, soldering, butt welding, spot welding and gas shielded arc welding processes. Coated metal arc welding and seam welding are not recommended for these alloys.
Forging
UNS C41300 copper alloys can be forged between 768 and 793°C (1415 and 1460°F) and they have a hot forgeability rating of 50.
Machinability
UNS C41300 copper alloys have a machinability rating of 20.
Hot Working
UNS C41300 copper alloys have good hot forming capacity.