Sep 18 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesThermal PropertiesFabrication and Heat Treatment Machinability Welding Hot Working Cold Working
Introduction
Brass comprises a broad range of copper-zinc alloys having a variety of properties such as strength, hardness, color, machinability, ductility, wear- resistance, antimicrobial, corrosion-resistance, and electrical and thermal conductivity. UNS C43500 brass alloys are one of the types of brass.
The following datasheet will provide more details about UNS C43500 brass alloys.
Chemical Composition
The following table shows the chemical composition of UNS C43500 brass alloys.
| Element |
Content (%) |
| Cu |
81 |
| Sn |
0.9 |
| Zn |
18.1 |
Physical Properties
The physical properties of UNS C43500 brass alloys are outlined in the following table.
| Properties |
Metric |
Imperial |
| Density |
8.66 g/cm3 |
0.313 lb/in³ |
Mechanical Properties
The mechanical properties UNS C43500 brass alloys are tabulated below.
| Properties |
Metric |
Imperial |
| Tensile strength |
317-552 MPa |
46000-80100 psi |
| Yield strength (depending on temper) |
110-469 MPa |
16000-68000 psi |
| Elongation at break (in 177.8 mm) |
46% |
46% |
| Elastic modulus |
117 GPa |
17000 ksi |
| Poisson’s ratio |
0.34 |
0.34 |
| Machinability (UNS C36000 (free-cutting brass) = 100) |
30 |
30 |
| Shear modulus |
40.0 GPa |
5800 ksi |
Thermal Properties
The thermal properties UNS C43500 brass alloys are tabulated below.
| Properties |
Metric |
Imperial |
| Thermal expansion co-efficient (@20°C/68°F) |
19.4 µm/m°C |
10.8 µin/in°F |
Fabrication and Heat Treatment
Machinability
The machinability rate of UNS C43500 brass alloys is 30.
Welding
Soldering, brazing, oxyacetylene welding, gas shielded arc welding, spot welding, and butt welding are considered as suitable welding processes, whereas processes such as coated metal arc welding and seam welding are not recommended for UNS C43500 brass.
Hot Working
The hot forming capacity of UNS C43500 is rated as fair.
Cold Working
UNS C43500 brass alloys have excellent cold working property.