Tungsten Rod

99.95% pure and available at several diameters. Rod has a ground finish and is available in standard lengths or can be cut to order on request.

Pre-Ground Welding Electrodes

High quality pre-ground welding electrodes. Adhere to ISO 6848 and AWS A5.12 standards. Available to custom specifications.

TIG Welding Tungsten Electrodes

Tungsten Inert Gas (TIG) welding is a popular type of welding that utilizes tungsten electrodes to join various metals.

Tungsten Alloy

Available as plate, block, or rod in several densities. View our list of available heavy metal alloys & copper tungsten alloys. We do custom machining of alloys.

Tungsten Alloy Race Car Weight

Midwest Tungsten Service carries stock weights and custom manufactures chassis and rail weights for high performance vehicles and race cars. 

Tungsten Bucking Bar

Our high density tungsten bucking bars are 50% more dense than lead and over twice the density of steel. All tungsten bucking bars are not created equal, view our difference!

Custom Machined Parts

MTS manufactures intricate parts of tungsten, molybdenum, or tantalum via EDM, laser cutting, water jet cutting, stamping, grinding, and CNC milling, drilling and turning.

Evaporation Filaments

Single or multiple strand tungsten, molybdenum, or tantalum stranded wire for vacuum metallizing. Cores of Aluminum, Nichrome and Silver are available.

Silicone Diffusion Pump Oil

We supply silicone diffusion pump oil 702, 704, 705 and Dow Corning High Vacuum Grease.

Evaporation Boats

Our refractory metal tungsten, molybdenum & tantalum boats are ideally suited to the evaporation of powdered or granulated materials.

Evaporant Materials

Our evaporants are all high purity, vacuum grade materials, in popular shapes, materials and sizes. MTS sells quantities that are ideal for experimental & prototype work.

Electron Gun Parts

MTS supplies electron beam gun parts including: cathode blocks, anode plates, beam formers, filament buss bars, and crucible liners.

Electron and Ion Beam Filaments

MTS manufactures filaments, crucibles, and gun parts for all popular electron beam systems.


We carry several standard crucible & heater sizes or can economically provide custom crucibles made to your specifications.

Chrome Plated Rods

Our chrome plated rods provide quick evaporation and reduce spitting that can occur when evaporating chromium in pellet form. 

Sheet & Plate

We carry a wide variety of pure and alloy sheet & plate in stock for immediate delivery as well as custom machining to your specifications.

Vacuum Furnace Hardware

We manufacture high-temperature furnace components of molybdenum (including TZM and Lanthanum-doped moly), tungsten and tantalum.

Tungsten Wire

Tungsten wire is available in bulk form on spools or in cut lengths. Choose single or multiple strand wire.