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Gold Balls
The precise characteristics of gold precision spheres make them ideal for intricate applications in diagnostics, precision engineering, flow control, fiber optics, electronics, and quality assurance. From high-performance bearings to miniaturized electronics, gold precision spheres hold immense potential to revolutionize numerous technological advancements.
Formula: Au
Percentage Purity: 99.99%
Diameter: 0.56mm
Quantity: 20 Pcs
UOM Code: 721-182-35
Percentage Purity: 99.99%
Diameter: 0.56mm
Quantity: 20 Pcs
UOM Code: 721-182-35
SKU: 1000225215
Product Code: AU00-SP-000146
Tolerances
Balls
| Diameter | Standard | ±5% |
|---|---|---|
| Diameter | Precision | See Item |
Tolerances
Balls
| Diameter | Standard | ±5% |
|---|---|---|
| Diameter | Precision | See Item |
$483.00
each
- Buy 5 for $391.84 each and save 19%
- Buy 10 for $357.97 each and save 26%
No Minimum order
Despatch of products in stock within 48 hours
Free technical support
*Free delivery worldwide
Material Properties for Precious Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 79 |
| Crystal structure | Face centred cubic |
| Electronic structure | Xe 4f¹⁴ 5d¹⁰ 6s¹ |
| Valences shown | 1,3 |
| Atomic weight( amu ) | 196.9665 |
| Thermal neutron absorption cross-section( Barns ) | 98.8 |
| Photo-electric work function( eV ) | 4.8 |
| Atomic radius - Goldschmidt( nm ) | 0.144 |
| Ionisation potential( No./eV ) | 1/ 9.22 |
| Ionisation potential( No./eV ) | 2/ 20.5 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Soft |
| Material condition | Hard |
| Poisson's ratio | 0.42 |
| Poisson's ratio | 0.42 |
| Bulk modulus( GPa ) | 171 |
| Bulk modulus( GPa ) | 171 |
| Tensile modulus( GPa ) | 78.5 |
| Tensile modulus( GPa ) | 78.5 |
| Hardness - Vickers( kgf mm⁻² ) | 20-30 |
| Hardness - Vickers( kgf mm⁻² ) | 60 |
| Tensile strength( MPa ) | 130 |
| Tensile strength( MPa ) | 220 |
| Yield strength( MPa ) | 205 |
| Yield strength( MPa ) | - |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 2.20@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.004@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 0.74 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 3080 |
| Density( gcm⁻³ ) | 19.3@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1064.4 |
| Latent heat of evaporation( J g⁻¹ ) | 1738 |
| Latent heat of fusion( J g⁻¹ ) | 64.9 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 129@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 318@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 14.1@0-100°C |
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Percentage Purity: 99.99%
Diameter: 0.56mm
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Gold Balls Formula: Au
Percentage Purity: 99.99%
Diameter: 0.56mm
Quantity: 100 Pcs
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Gold Balls Formula: Au
Percentage Purity: 99.99%
Diameter: 0.56mm
Quantity: 500 Pcs
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Gold Balls Formula: Au
Percentage Purity: 99.99%
Diameter: 0.56mm
Quantity: 1000 Pcs
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