Precise and High Performing Custom Bellows & Assemblies

Alloy Bellows & Precision Welding custom manufactures your solution, and our team of engineers become an extension of your design team. We have multi-convolution hydro forming machines and mechanically forming machines which produce custom bellows of varying diameters and lengths.


Our hydro forming technology produces the most consistent bellows available in the market. The tooling and forming processes we develop are specific to each bellows configuration and is what enables the consistency and precision our customers have come to expect. The tooling is made from precision ground plates which yield bellows that exceed customer and industry standards. Hydro forming is the best technology for medium to large quantities of bellows  Our Mechanically Formed Bellows have minimum tooling costs make this the most cost-effective solution for smaller quantities.

Alloy Bellows metal bellows can be customized to meet you requirements and specifications. We work with most materials to meet your desired cost, performance, cycle rate and corrosion resistance requirements. ​

  • Custom engineered equipment and process

  • Prototyping and proof of concepts 

  • 100% leak check​

  • Cost competitive

  • Low cost to entry

  • Large inventory of existing sizes

  • Stocking programs for Kanban releases

  • Application verification through in-house life testing and design verification testing

Technical specifications:

  • ID:  min .375” 

  • OD: .158" to 8" 

  • Single, 2- and 3-ply designs​

  • Wall thicknesses ranging from .004” to .024”

Bellows & Bellows Assemblies Available in:

  • Stainless Steel Alloys

  • Inconel Alloys

  • Monel Alloys 

  • Hastelloy Alloys 

  • Titanium Alloys

  • Copper

  • Brass

  • Other “white” and “yellow” metals

Applications include those with:

  • Aneroids

  • Accumulators

  • Actuators

  • Flexible shaft couplings

  • Instrumentation

  • Pressure Sensors

  • Seals

  • Sensors

  • Valves

  • And Others

Plus, our proprietary software allows us to assess your existing bellows design, offer alterative design options, accurately predict bellows performance and reduce prototype costs. To submit an RFQ, simply complete our Bellows Design Guide or contact us at 440-684-3000.


Let’s work together.