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We offer Electron Beam Welding on a contract basis. This is a high energy density process which can make welds with very low distortion. The welding is done in a vacuum, so external  contamination is not introduced. Welds can be made in metals that are not weldable by other methods.

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Key Benefits

  • Clean - all welds done under high vacuum
  • Deep, narrow welds possible - depth = 10-40 times width
  • Very low distortion
  • Can eliminate secondary operations
  • No filler metal or bevels required
  • High welding speeds - 30/100 ipm
  • Normally inaccessible joints can be welded

Metals Welded

  • Carbon and Stainless Steels
  • Aluminum Alloys
  • Nickel-Based Alloys
  • Titanium and Zirconium
  • Refractory Metals:
    • Rhenium, Tantalum, Vanadium,
    • Niobium, Molybdenum, Tungsten
  • Dissimilar Metals

Fischer Capabilities

  • 7.5 kW power
  • Rectangular part size: 22" long x 16" deep x 12" high
  • Cylindrical part size:  22" with axis horizontal, 12" with axis vertical
  • Eccentric table for:  multiple circular welds; circular welds on large parts
  • 3/4 inch deep in one pass for steel
  • CNC:  x-y table, rotary positioner and beam oscillator


  • Precision fabrication
  • Valve components
  • Filter assemblies
  • Housings, diaphragms
  • Sealed containers
  • Water channels
  • Precision instruments
  • Turbine parts
  • Reclamation of mismachined parts

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Last modified: April 17, 2014