Midwest Tungsten Service

MTS has been providing some of the the highest quality refractory metal (W, Mo, Ta) products since 1958. We are ISO 9001:2008 certified and an ITAR-registered manufacturer.

MTS offers custom machining of these metals to specification. Typical parts include: die casting and extrusion tooling, aircraft and auto ballast, golf club weights, crankshaft weights, aircraft bucking bars, X-ray shields, nuclear medical components, ion apertures, glass melting electrodes, vacuum furnace elements, vacuum furnace shields and hardware. Browse our site for detailed information or view our line card.

Choose shelf stock or have items made to order. Large inventory and short manufacturing lead times guarantee prompt delivery.

Raw materials for sale include pure tungsten and tungsten heavy metal alloys, copper tungsten alloys, molybdenum, and tantalum. Raw material forms include rod, wire, sheet, plate, bar, nuts, and threaded rod.

We are the premier manufacturer of resistance heated evaporation sources and materials for vacuum evaporation (vacuum metallizing). Sources include evaporation filaments and boats, ion beam and electron beam filaments. We also manufacture electron beam gun parts such as anode assemblies, buss bars, cathode blocks, crucible liners, and beam formers. Evaporation materials include aluminum, chrome, copper, nickel, nichrome, tin, silver, and gold. We invite you to browse our product offerings and the large amount of technical information contained on our site, or contact us for specific information.