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SIS supplies over 20,000 parts and services for mass spectrometry, chromatography, vacuum, and other scientific equipment.

Tungsten Wire and Ribbon - Filament Wire and Heater Material

For the Repair or Manufacture of Mass Spec Filaments and Heaters

Scientific Instrument Services supplies a wide range of resistance type wires for the repair and manufacture of filaments and heaters for mass spectrometers, SEM's and scientific instruments. Wires such as rhenium, tungsten, platinum, and tantalum are often used for these applications.

Thermocouple wires such as alumel, chromel, constantan and iron can be used to manufacture your own thermocouples. In addition we supply a wide range of high purity wires including gold, silver and platinum for a wide range of uses including gasket fabrication and sputter coating. In addition to the wires listed below we can obtain other sizes and types. Call with your specifications for a price quotation.

Quantity discounts - 10% discount on quantities of 10 or more feet with the exception of gold, silver, and platinum. 

Prices and quantities listed in units of per FOOT of material. Indicate Purchase Quantity in FEET. (1 ft= 0.305m)

Tungsten is practically the only material used for electron emitters. The advantage of tungsten is its extremely low vapor pressure even at high temperatures.

Tungsten Wire

Tungsten Wire
Part No. Diameter (in)Diameter (mm)(ohms/cm)UOM Quantity
In Stock
Price Quantity
to order
W89 0.000560.0143.67031Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $9.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W337 0.000720.0180.02230Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W406 0.0010.0251.15101Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W90 0.0020.0510.27658Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W331 0.00220.060.255900Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W330 0.00240.0610.19333Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W91 0.0030.0760.12455Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W92 0.0040.1020.06914Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W93 0.0050.1270.04460Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W94 0.0060.1520.03114Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W95 0.0070.1780.02270Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W96 0.0080.2030.01746Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W332 0.0090.230.01540Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W102 0.0100.2540.01115Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.75[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W336 0.0110.280.00773Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $10.75[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W97 0.0120.3050.00773Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $11.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W98 0.01320.3360.00637Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $11.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W99 0.0150.3810.00496Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $11.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W100 0.0200.5080.00279Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $11.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W333 0.0220.5590.00230Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $11.75[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W334 0.0240.6100.00193Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $12.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W335 0.0310.7870.00116Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $12.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W101 0.0401.0160.00070Foot 0[*W2]Standard lead time for non-stocked wire is 48 hours. $13.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.

Tungsten Ribbon

Part No. Thickness (in)Width (in)Thickness (mm)Width (mm)(ohms/cm)UOM Quantity
In Stock
Price Quantity
to order
W339 Tungsten Ribbon
0.00050.0300.0100.760.05950Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $23.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W340  
------------------ 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. CALL
W341 Tungsten Ribbon
0.0010.0100.0250.250.09040Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $17.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W408 Tungsten Ribbon
0.0010.0180.0250.460.04913Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $17.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W342 Tungsten Ribbon
0.0010.1000.0252.540.00890Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $31.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W343 Tungsten Ribbon
0.00150.0150.0400.380.00673Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $16.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W110 Tungsten Ribbon
0.00150.0250.0380.640.02323Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $18.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W345 Tungsten Ribbon
0.00150.0280.0400.710.02158Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $18.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W113 Tungsten Ribbon
0.00150.0300.0380.760.01956Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $18.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W112 Tungsten Ribbon
0.0020.0250.050.640.01766Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $18.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W346 Tungsten Ribbon
0.0020.0280.0500.710.01596Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $18.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W114 Tungsten Ribbon
0.0020.0300.050.760.01487Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $18.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W344 Tungsten Ribbon
0.0020.0500.051.270.00890Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $18.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W116 Tungsten Ribbon
0.0030.0350.0760.890.00835Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $19.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W117 Tungsten Ribbon
0.0050.0400.131.000.01780Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $19.50[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W119 Tungsten Ribbon
0.0080.0590.201.500.03750Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $20.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.

Additional types of wires available on special request.

See Also


SIS Catalog Cross Reference
Page #Part Numbers
A33 - Filament & Heater Material W110, W112, W113, W114, W116, W117, W119, W339, W341, W342, W343, W344, W345, W346, W408
A34 - Filament & Heater Material/Heater Coils W100, W101, W102, W330, W331, W332, W333, W334, W335, W336, W337, W406, W89, W90, W91, W92, W93, W94, W95, W96, W97, W98, W99
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