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Formula: Cu 63/Zn 37
Form: Disk
Material: Copper/Zinc (Brass)
Commodity: Alloys
Brass Disk (Cu63/Zn37) features a balanced blend of high machinability, structural strength, and corrosion resistance, making it suitable for both decorative and functional applications. The 63% copper and 37% zinc composition provides stability against dezincification while retaining excellent formability, allowing for precision shaping and machining. Industries such as electronics, marine hardware, architectural design, and precision instrumentation rely on this alloy for components that must perform reliably under mechanical and environmental stress. Specific uses include corrosion-resistant electrical contacts, precision mechanical spacers, and durable decorative inlays. In research, Cu63/Zn37 disks are studied for their electrochemical behavior, mechanical response under impact, and resistance to pitting in chloride-rich environments, helping to improve material performance in harsh operational conditions. The alloy’s combination of reliability, processability, and aesthetic appeal underscores its value across scientific and industrial domains.
Tolerances
Disc
| Thickness | >0.05mm | ±10% |
|---|---|---|
| Thickness | <0.01mm | ±25% |
| Thickness | 0.01mm - 0.05mm | ±15% |
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 65-136 |
| Elongation at break( % ) | 55 |
| Modulus of elasticity( GPa ) | 95-110 |
| Shear strength( MPa ) | 280-310 |
| Tensile strength( MPa ) | 330-500 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 6.2-6.6 |
| Temperature coefficient( K⁻¹ ) | 0.0016-0.0017 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 900-920 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 125@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 19-20.5@20-100°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 8.45 |
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Leaded Brass Rod (Cu58/Zn39/Pb3) Formula: Cu58/Zn39/Pb 3
Diameter: 20mm
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Brass Rod (Cu63/Zn37) Formula: Cu63/Zn37
Diameter: 10mm
Length: 1000mm
Temper: Annealed
UOM Code: 074-052-97
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Tin Disk Single Crystal Formula: Sn
Percentage Purity: 99.999%
Thickness: 2mm
Diameter: 10mm
Orientation: -110
Orientation Accuracy: =< 0.4°
Polish: Polished
Surface Finish: =< 0.03µm Ra
CAS Number: 7440-31-5
UOM Code: 105-350-60
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Tungsten Disk Single Crystal Formula: W
Percentage Purity: 99.99%
Thickness: 2mm
Diameter: 10mm
Orientation: -110
Orientation Accuracy: =< 1°
Polish: Polished
Surface Finish: =< 0.03µm Ra
CAS Number: 7440-33-7
UOM Code: 100-748-47
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Gilding Metal Alloy Spooled Wire (Cu85/Zn15) Formula: Cu85/Zn15
Product Shape: Spooled
Diameter: 0.711mm
Length: 50m
Temper: As Drawn
UOM Code: 034-003-22
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Nickel/Iron/Molybdenum Alloy Disk (Ni80/Fe15.5/Mo4.5) Formula: Ni80/Fe15.5/Mo 4.5
Temper: Annealed
Thickness: 0.5mm
Diameter: 10mm
UOM Code: 712-328-62
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