Tungsten possesses distinctive qualities as a high-performance material, including its remarkably high melting point of 3410°C, minimal vapor pressure at elevated temperatures, and a low coefficient of thermal expansion. These attributes render it highly valuable for various applications involving high temperatures. Some examples include its utilization in glass-to-metal seal components, support parts for lighting and electronics, silicon rectifier stud mounts, and various high-temperature furnace components.

T&D specializes in the production of both pure tungsten rods and potassium-doped tungsten rods (WK Type). The potassium-doped variants are specifically designed for applications demanding exceptional high-temperature non-sag properties, particularly in smaller cross-sectional areas, making them ideal for use in the lighting and electronics industries.

Availability

Tungsten rods are produced in either random-length sections or can be precisely cut to meet the specific length requirements of our customers. These rods are available in diameters spanning from .02 inches to .75 inches. The standard tolerances for diameter and length are detailed in the tables provided for your reference. Should you require closer tolerances, please feel free to request a quote. Furthermore, we offer three distinct surface processes or finishes for tungsten rods, each tailored to the intended application.

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.