C106/CW024A is the preferred grade for non-electrical purposes such as fasteners, roofing sheet, plumbing tube and other general engineering and constructional applications. The alloy comes into its own where the manufacture of the component or plant involves welding or brazing.
This grade of copper is not susceptible to hydrogen embrittlement which can be a serious risk with non-deoxidised grades.
Used in architectural applications, C106 has asaethetic value and and can also be used for plating and polishing.
| Product Form | Imperial Sizes | Metric Sizes |
|---|---|---|
| Sheet HH 2m x 1m | - | 0.55mm - 6.0mm |
| Sheet HH 2.5m x 1.25m | - | 1.2mm - 10.0mm |
| Sheet HH 4' x 2' | 24 swg - 10 swg, 3⁄16" | - |
| Tube | 1⁄4" OD - 2 1⁄2" OD | - |
C106/CW024A copper corresponds to the following designations but may not be a direct equivalent:
| Chemical Element | % Present |
|---|---|
Copper (Cu) | 99.90 - 0.00 |
Others (Total) | 0.00 - 0.10 |
| Mechanical Property | Value |
|---|---|
Proof Stress | 50-340 MPa |
Tensile Strength | 200-360 MPa |
Elongation A50 mm | 50-5 % |
Hardness Vickers | 40 to 110 HV |
| Physical Property | Value |
|---|---|
Density | 8.92 g/cm³ |
Melting Point | 1083 °C |
Thermal Expansion | 16.9 x10-6/K |
Modulus of Elasticity | 117 GPa |
Thermal Conductivity | 391.2 W/m.K |
Electrical Resistivity | 0.0203 x10-6 Ω .m |
Deoxidation of C106/CW024A improves embrittlement resistance during welding.
Brazing and soldering are both excellent joining methods for C106/CW024A. Gas shielded arc welding is also excellent. Oxyacetylene welding and butt welding are good. Welding methods not recommended include:
Corrosion resistance is either good or excellent in most environments and atmospheres other than those containing ammonia ions.
Solution treatment or annealing can be done by rapid cooling after heating to 370-650°C.
This alloy has a machinability rating of 20 when Brass CZ121/CW614N is 100.
C106/CW024A has an excellent response to cold working.
With forging of brass rated as 100, the hot forgeability of C106/CW024A is rated at 65. Hot working temperatures should be between 760 and 870°C
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