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Tungsten Rod

Product Category : Tungsten Series

Applications:

1. Suitable for producing ion implantation parts;

2. For producing electric light source parts and electric vacuum components;

3. For producing heating elements and refractory parts in high temperature furnaces;

4. Used as electrodes in the field of rare earth metal industry.

Standard: GB/T 3459-2006

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Properties

Main Characteristics:

1. High melting point (3410°C)

2. Low thermal expansion

3. High electrical resistance

4. Low vapour pressure

5. Good thermal conductivity

6. High density

Tungsten rod Availability

Tungsten rod is manufactured as random length pieces or cut to customers' desired lengths. Standard diameter and length tolerances are listed as follows. Other, closer tolerances can be quoted on request. In addition, there are three different surface processes or finishes which are provided, depending upon the desired end use.

Tungsten rod Surface Finish

Black - Surface is "as swaged" or "as drawn"; retaining a coating of processing lubricants and oxides.

Cleaned - Surface is chemically cleaned to remove all lubricants and oxides.

Ground - Surface is centerless ground to remove all coating and to achieve precise diameter control.

Tungsten content: 99.95%

Size: 2.0mm~100mm diameter Length: 50-2000mm

Parameters

Type and Size:

Type	Swaged Rods	Straightened Rods after Drawn	Ground rods available
Size	Ф2.4~95mm	Ф0.8 ~3.2mm	Ground rods available

Chemical Composition:

Designation	Tungsten Content	Impurity Elements Content
Designation	Tungsten Content	Total	Each
WAL1、WAL2	≥99.95%	≤0.05%	≤0.01%
W1	≥99.95%	≤0.05%	≤0.01%
W2	≥99.92%	≤0.08%	≤0.01%
Note: Potassium is not counted in impurities content.