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Formula: Au
Form: Tube
Material: Gold
CAS Number: 7440-57-5
Commodity: Precious Metals
Purity:
99.95%
Temper:
As Drawn
Gold Tube from Goodfellow is part of its range of tubes,with 82 variations available. Gold possesses excellent malleability and ductility, making it ideal for applications where the material needs to be shaped or formed. The tubes are used in scientific research requiring inert materials. With its unique properties, Gold Tube enables innovative designs across industries.
Tolerances
Tube
| Outside Diameter | =<2mm | ±0.05mm |
|---|---|---|
| Outside Diameter | 2mm - 5mm | ±0.1mm |
| Outside Diameter | >5mm | ±5% |
| Wall Thickness | ±10% |
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 |
Other Customers Purchased
-
Zirconium Tube Formula: Zr
Percentage Purity: 99.2%
Outside Diameter: 6.35mm
Wall Thickness: 0.9mm
Inside Diameter: 4.55mm
Length: 200mm
Temper: Annealed
CAS Number: 7440-67-7
UOM Code: 032-374-21
eachStarting at $161.32
Discounts applied for volume purchases -
Yttria-stabilized Zirconia Tube Formula: ZrO₂/Y₂O₃
Outside Diameter: 3.5mm
Wall Thickness: 0.25mm
Inside Diameter: 3mm
Length: 100mm
CAS Number: 114168-16-0
UOM Code: 910-637-06
eachStarting at $1,582.25
Discounts applied for volume purchases -
Tungsten Tube Formula: W
Percentage Purity: 99.95%
Outside Diameter: 1.6mm
Wall Thickness: 0.5mm
Inside Diameter: 0.6mm
Length: 10mm
CAS Number: 7440-33-7
UOM Code: 748-026-87
eachStarting at $399.66
Discounts applied for volume purchases -
each
Starting at $259.93
Discounts applied for volume purchases -
Tungsten/Copper Alloy Tube (W 80/Cu20) Formula: W 80/Cu20
Outside Diameter: 0.5mm
Wall Thickness: 0.13mm
Inside Diameter: 0.24mm
Length: 10mm
UOM Code: 783-917-60
eachStarting at $157.16
Discounts applied for volume purchases -
Tungsten/Copper Alloy Tube (W 60/Cu40) Formula: W 60/Cu40
Outside Diameter: 3.15mm
Wall Thickness: 1.15mm
Inside Diameter: 0.85mm
Length: 10mm
UOM Code: 786-428-40
eachStarting at $185.19
Discounts applied for volume purchases
