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Invar® Tube
Invar® Tube is a nickel-iron alloy tubing product offered by Goodfellow within its range of specialty metals and alloys. With 14 size variations, Invar alloy tubes are precision drawn seamless tubes valued for their uniquely low coefficient of thermal expansion. The dimensional stability of Invar alloy makes it ideal for applications in precision instruments, optics, antennas, thermal couplings, and glass-to-metal seals.
Formula: Fe64/Ni36
Outside Diameter: 2.2mm
Wall Thickness: 0.16mm
Inside Diameter: 1.88mm
Length: 10mm
UOM Code: 380-468-50
Outside Diameter: 2.2mm
Wall Thickness: 0.16mm
Inside Diameter: 1.88mm
Length: 10mm
UOM Code: 380-468-50
SKU: 1000094618
Product Code: FE02-TB-000100
Tolerances
Tube
| Outside Diameter | =<2mm | ±0.05mm |
|---|---|---|
| Outside Diameter | 2mm - 5mm | ±0.1mm |
| Outside Diameter | >5mm | ±5% |
| Wall Thickness | ±10% |
Health hazard/Hazardous to the ozone layer
Serious health hazard
Tolerances
Tube
| Outside Diameter | =<2mm | ±0.05mm |
|---|---|---|
| Outside Diameter | 2mm - 5mm | ±0.1mm |
| Outside Diameter | >5mm | ±5% |
| Wall Thickness | ±10% |
€207.22
each
- Buy 5 for €167.85 each and save 19%
- Buy 10 for €153.34 each and save 26%
No Minimum order
Free technical support
*Free delivery worldwide
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 160 |
| Elongation at break( % ) | 45 |
| Modulus of elasticity( GPa ) | 140-150 |
| Tensile strength( MPa ) | 450-590 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 75-85 |
Magnetic Properties
| Element | Value |
|---|---|
| Curie temperature( C ) | 279 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1427 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 515@23°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 13@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 1.7-2@20-90°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 8 |
Other Customers Purchased
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each
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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 €157.45
Discounts applied for volume purchases -
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 €137.16
Discounts applied for volume purchases -
each
Starting at €122.55
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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 €1,345.26
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 €133.61
Discounts applied for volume purchases
