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Tungsten Rod and Bar

Tungsten rod & bar stock are manufactured from high purity tungsten powder. Because of the special properties of tungsten, these rods and bars have many applications such as welding electrodes and electrical contacts.

Buffalo Tungsten also sells tungsten discs and contacts, precision ground tungsten pins, and pure molybdenum rod. Plating of tungsten pins and discs with elements such as tin and nickel are also available upon request.

PHYSICAL PROPERTIES OF TUNGSTEN ROD & BAR

Density

19.17 g/cm3

Melting Point

3410oC

Electrical Conductivity

31% IACS

Buffalo Tungsten provides tungsten rod & bar of the highest purity:

TUNGSTEN ROD & BAR CHEMICAL COMPOSITION

W:

99.95% min.

Al:

25 PPM max.

C:

50 PPM max.

Cr:

20 PPM max.

Cu:

15 PPM max.

Fe:

50 PPM max.

K:

30 PPM max.

Mo:

50 PPM max.

Na:

20 PPM max.

Ni:

50 PPM max.

O:

50 PPM max.

Si:

25 PPM max.

TUNGSTEN ROD GROUND FINISH

At Buffalo Tungsten, black tungsten rod is ground to a smooth finish on a high precision center-less grinder. The finished rod diameter can be ground to within tolerances 0.001”. Standard diameter sizes for Tungsten Rod are listed here below. Custom size diameters are also available.

TUNGSTEN ROD STANDARD SIZES

Diameter

Typical Tolerances

Typical Max. Lengths

0.125"

+0.002"

6'

0.187"

+0.002"

6'

0.250"

+0.003"

6'

0.313"

+0.003"

4'

0.375"

+0.005"

4'

0.500"

+0.005"

1'

0.625"

+0.005"

1'

0.750"

+0.010"

1'

1.000"

+0.010"

1'

TUNGSTEN ROD CUSTOM SIZE DIAMETERS

0.080" - 1.000"

2.0mm - 25.0mm

Analytical Reports
A Certificate of Analysis (COA) accompanies each shipment.
Copyright 2011 Buffalo Tungsten Inc.