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Formula: Ho
Form: Disk
Material: Holmium
CAS Number: 7440-60-0
Commodity: Metals
Purity:
99%
Temper:
As Rolled
Hazard Pictogram:
GHS02
Holmium disks are precision-engineered disks available in a wide selection of 424 diameters, thicknesses and finishes. These high-performance disks offer unique magnetic and optical properties ideal for scientific instrumentation, including spectrometers, lasers and magnetometers. Their industrial applications range from advanced optics to microelectronics fabrication. With unparalleled quality in a wide choice of sizes and compositions, our Holmium disks enable cutting-edge research and manufacturing.
Flammable
Tolerances
Disk
| Thickness | >0.05mm | ±10% |
|---|---|---|
| Thickness | <0.01mm | ±25% |
| Thickness | 0.01mm - 0.05mm | ±15% |
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 67 |
| Crystal structure | Hexagonal close packed |
| Electronic structure | Xe 4f¹¹ 6s² |
| Valences shown | 3 |
| Atomic weight( amu ) | 164.9304 |
| Thermal neutron absorption cross-section( Barns ) | 65 |
| Atomic radius - Goldschmidt( nm ) | 0.176 |
| Ionisation potential( No./eV ) | 2/ 11.80 |
| Ionisation potential( No./eV ) | 1/ 6.02 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Polycrystalline |
| Poisson's ratio | 0.225 |
| Bulk modulus( GPa ) | 40.5 |
| Tensile modulus( GPa ) | 66.9 |
| Hardness - Vickers( kgf mm⁻² ) | 60 |
| Tensile strength( MPa ) | 262 |
| Yield strength( MPa ) | 221 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 94@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.00171@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 2695 |
| Density( gcm⁻³ ) | 8.803@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1474 |
| Latent heat of evaporation( J g⁻¹ ) | 1695 |
| Latent heat of fusion( J g⁻¹ ) | 104 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 165@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 16.2@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 9.5@0-400°C |
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Ytterbium Foil Formula: Yb
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-64-4
UOM Code: 000-446-82
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Waspaloy® Foil Formula: Ni58/Cr19/Co14/Mo/Ti/Al/Fe
Temper: Annealed
Thickness: 0.25mm
Length 1: 100mm
Length 2: 100mm
UOM Code: 558-637-81
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X-ray Quality Rhodium Foil Grade: X-ray Quality
Formula: Rh
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.025mm
Length 1: 10mm
Length 2: 10mm
CAS Number: 7440-16-6
UOM Code: 464-926-09
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Zirconium Foil Formula: Zr
Percentage Purity: 99.2%
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-67-7
UOM Code: 004-371-61
eachStarting at $165.58
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Yttrium Foil Formula: Y
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.1mm
Length 1: 50mm
Length 2: 50mm
CAS Number: 7440-65-5
UOM Code: 117-129-99
eachStarting at $235.38
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Zinc Foil Formula: Zn
Percentage Purity: 99.9%
Thickness: 0.0025mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-66-6
UOM Code: 013-016-12
eachStarting at $152.18
Discounts applied for volume purchases
