Material Pure tungsten
  Specification (Ф2.0-Ф100)mm* L(50-2000)mm
  Density 19.2g/cm3
  Purity 99.95%
  Surface Black, ground or machined
  Grade W-1


Ion implantation parts, electric light source parts,electric vacuum components, heating elements and refractory parts in high temperature furnaces,glass and glass fiber industry, electrodes in the field of rare earth metal industry etc.

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

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