Tungsten and Tungsten Alloy Filament & Heater Material

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 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. 

Tungsten Wire

Tungsten Wire
Part No.	Diameter (in)	Diameter (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W89	0.00056	0.014	3.67031	Foot	CALL(#)	$7.50(*A)
W406	0.001	0.025	1.15101	Foot	CALL(#)	$7.50(*A)
W90	0.002	0.051	0.27658	Foot	CALL(#)	$7.50(*A)
W330	0.0024	0.061	0.19333	Foot	CALL(#)	$7.50(*A)
W91	0.003	0.076	0.12455	Foot	CALL(#)	$7.50(*A)
W92	0.004	0.102	0.06914	Foot	CALL(#)	$7.50(*A)
W93	0.005	0.127	0.04460	Foot	CALL(#)	$7.75(*A)
W94	0.006	0.152	0.03114	Foot	CALL(#)	$7.75(*A)
W95	0.007	0.178	0.02270	Foot	CALL(#)	$7.75(*A)
W96	0.008	0.203	0.01746	Foot	CALL(#)	$7.75(*A)
W102	0.010	0.254	0.01115	Foot	CALL(#)	$8.00(*A)
W97	0.012	0.305	0.00773	Foot	CALL(#)	$8.00(*A)
W98	0.0132	0.336	0.00637	Foot	CALL(#)	$8.25(*A)
W99	0.015	0.381	0.00496	Foot	CALL(#)	$8.25(*A)
W100	0.020	0.508	0.00279	Foot	CALL(#)	$8.25(*A)
W333	0.022	0.559	0.00230	Foot	CALL(#)	$8.50(*A)
W334	0.024	0.610	0.00193	Foot	CALL(#)	$8.50(*A)
W335	0.031	0.787	0.00116	Foot	CALL(#)	$8.50(*A)
W101	0.040	1.016	0.00070	Foot	CALL(#)	$10.25(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

Tungsten Ribbon

Tungsten Ribbon
Part No.	Thickness (in)	Width (in)	Thickness (mm)	Width (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W340	0.001	0.030	0.025	0.76	0.02974	Foot	CALL(#)	$11.00(*A)
W341	0.001	0.010	0.025	0.25	0.09040	Foot	CALL(#)	$13.25(*A)
W408	0.001	0.018	0.025	0.46	0.04913	Foot	CALL(#)	$13.50(*A)
W342	0.001	0.100	0.025	2.54	0.00890	Foot	CALL(#)	$25.00(*A)
W110	0.0015	0.025	0.038	0.64	0.02323	Foot	CALL(#)	$11.00(*A)
W113	0.0015	0.030	0.038	0.76	0.01956	Foot	CALL(#)	$12.00(*A)
W112	0.002	0.025	0.05	0.64	0.01766	Foot	CALL(#)	$12.00(*A)
W114	0.002	0.030	0.05	0.76	0.01487	Foot	CALL(#)	$12.25(*A)
W344	0.002	0.050	0.05	1.27	0.00890	Foot	CALL(#)	$12.50(*A)
W116	0.003	0.035	0.076	0.89	0.00835	Foot	CALL(#)	$13.25(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

3% Rhenium / 97% Tungsten Wire

3% Rhenium/97% Tungsten Wire
Part No.	Diameter (in)	Diameter (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W42
	0.003	0.076	0.21426	Foot	CALL(#)	$8.50(*A)
W44
	0.005	0.127	0.07673	Foot	CALL(#)	$8.75(*A)
W45
	0.006	0.15	0.05500	Foot	CALL(#)	$8.75(*A)
W46	per foot (Finnigan #00023-00400 / #0023-004000)
	0.007	0.178	0.03906	Foot	CALL(#)	$9.00(*A)
W47	(Finnigan #00023-00400 / #0023-004000)
	0.007	0.178	0.03906	Foot	CALL(#)	$9.50(*A)
W50
	0.0132	0.34	0.01071	Foot	CALL(#)	$12.00(*A)
W52
	0.016	0.41	0.00736	Foot	CALL(#)	$15.50(*A)
W54
	0.020	0.50	0.00495	Foot	CALL(#)	$16.00(*A)
W56
	0.025	0.64	0.00302	Foot	CALL(#)	$21.00(*A)
W58
	0.034	0.86	0.00167	Foot	CALL(#)	$33.00(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

3% Rhenium / 97% Tungsten Ribbon

Part No.	Thickness (in)	Width (in)	Thickness (mm)	Width (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W65	3% Rhenium/97% Tungsten Ribbon
	0.001	0.018	0.025	0.46	0.08452	Foot	CALL(#)	$11.00(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

25% Rhenium / 75% Tungsten Ribbon

Part No.	Thickness (in)	Width (in)	Thickness (mm)	Width (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W403	25% Rhenium/75% Tungsten Ribbon
	0.003	0.050	0.076	1.27	0.03005	Foot	CALL(#)	$30.00(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

25% Rhenium / 75% Tungsten Wire

25% Rhenium/75% Tungsten Wire
Part No.	Diameter (in)	Diameter (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W410
	0.006	0.15	0.16411	Foot	CALL(#)	$21.00(*A)
W140	for use on Finnigan 8200, 8400
	0.007	0.18	0.11396	Foot	CALL(#)	$26.00(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

90% Tantalum/10% Tungsten Wire

90% Tantalum/10% Tungsten Wire
Part No.	Diameter (in)	Diameter (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W170	0.020	0.50	0.00917	Foot	CALL(#)	$8.50(*A)
W309	0.025	0.64	0.00560	Foot	CALL(#)	$15.00(*A)
W310	0.031	0.79	0.00367	Foot	CALL(#)	$15.00(*A)
W312	0.032	0.81	0.00349	Foot	CALL(#)	$16.00(*A)
W315	0.040	1.0	0.00229	Foot	CALL(#)	$20.00(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

90% Tantalum/10% Tungsten Ribbon

90% Tantalum/10% Tungsten Wire
Part No.	Thickness (in)	Width (in)	Thickness (mm)	Width (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W172	0.001	0.125	0.025	3.18	0.02264	Foot	CALL(#)	$34.00(*A)
W320	0.005	0.125	0.127	3.18	0.00446	Foot	CALL(#)	$41.00(*A)
W321	0.005	0.180	0.127	4.57	0.00310	Foot	CALL(#)	$37.50(*A)
W322	0.005	0.190	0.127	4.83	0.00293	Foot	CALL(#)	$36.00(*A)
W325	0.010	0.040	0.25	1.0	0.00720	Foot	CALL(#)	$36.00(*A)
W329	0.010	0.070	0.25	1.78	0.00404	Foot	CALL(#)	$46.00(*A)
W326	0.010	0.100	0.25	2.54	0.00283	Foot	CALL(#)	$41.00(*A)
W327	0.005	0.575	0.127	14.6	0.00097	Foot	CALL(#)	$66.00(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

1% Thoriated Tungsten Wire

1% Thoriated Tungsten Wire
Part No.	Diameter (in)	Diameter (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W126	0.0024	0.061	0.22987	Foot	CALL(#)	$10.00(*A)
W121	0.003	0.076	0.14712	Foot	DISCONTINUED	---	---
W124	0.0045	0.11	0.06898	Foot	CALL(#)	$10.00(*A)
W122	0.005	0.13	0.04897	Foot	CALL(#)	$20.00(*A)
W450	0.007	0.18	0.02681	Foot	DISCONTINUED	---	---
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

Trophet "C" Wire

Part No.	Diameter (in)	Diameter (mm)	(ohms/cm)	UOM	Quantity In Stock	Price	Quantity to order
W297	Trophet C Wire
	0.0088	0.22	0.27963	Foot	CALL(#)	$5.00(*A)
(*_) Marked parts have bulk quantity discount pricing: Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

*Additional types of wires available on special request. 10% discount on quantities of 10 or more feet on all wires except gold, silver and platinum.

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PHONE: (908)788-5550;   FAX: (908)806-6631;   E-MAIL: WEB: www.sisweb.com
ADDRESS: Scientific Instrument Services, 1027 Old York Rd., Ringoes, NJ 08551.