Scientific Instrument Services, Inc.  Supplies and Services for Mass Spectrometers, Gas Chromatographs, and Liquid Chromatographs.
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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 one of several materials commonly used to make 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

Tungsten Ribbon
Part No. Thickness (in)Width (in)Thickness (mm)Width (mm)(ohms/cm)UOM Quantity
In Stock
Price Quantity
to order
W339 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 0.0010.0300.0250.760.02974Foot 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. $13.00[*A][*A] 10 or more: 5% off; 50 or more: 10% off.
W341 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 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 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 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 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 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 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 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 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 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 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 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 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 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


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