High Precision Welding, Brazing and Soldering

A wide range of industries, both large and small, trust Alloy Bellows & Precision Welding for high-precision welding, brazing and soldering. Whatever your metal joining needs – from dissimilar metals or wall thicknesses to ultra thin, exotic metals – our in-house engineers and welders have the expertise to create the right solution.

Using a variety of proprietary welding (TIG and laser), brazing and soldering techniques, our ASME Section IX-certified welders specialize in joining precision components for general industrial and high purity applications. Stainless steel and other exotic materials, dissimilar metals and dissimilar wall thicknesses (.003” to .750”) are joined in atmosphere controlled chambers, clean rooms and open air stations to tight tolerances using semiautomated, programmable welding machines and fixtured lathes for consistent, high quality results.

Whether it is a new custom design or an existing application that needs to be renewed Alloy Bellows uses repeatable and programmable means to join our precision metal bellows with unique components.  Our value added bellows assemblies can be turnkey pressure or temperature sensing units or a simple assembly allowing for a more streamlined production process for our customer.


  • ASME Section IX

  • European PED

  • EN1418

  • MIL-STD-1595A

Alloy’s Precision Welding Capabilities:

  • Free-hand TIG Welding

  • Thin to thick wall welding, from .003” to .750”

  • Dissimilar metal joining

  • Circumferential welding

  • Orbital welding

  • Ultra-thin metal joining

  • Chamber welding (contamination-free, high purity welding)

  • Tight dimensional tolerances

  • Soldering

  • Brazing

  • Semi-automated welding

Materials Typically Joined

  • Carbon Steels

  • Stainless Steels

  • Exotic Metals

  • Dissimilar Metals

  • Dissimilar Wall Thicknesses

  • Corrosion Resistant Materials

  • Ultra Thin Metals

  • General Industrial and High Purity Components


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6989 Lindsay Dr.
Mentor, OH 44060

Phone: (440) 266-7700

© Copyright 2018 Alloy Bellows & Precision Welding