Metal Bellows Guide: Hydroformed, Welded & Formed Expansion Joints

Metal Bellows Guide: Hydroformed, Welded & Formed Expansion Joints

Short answer: Metal bellows are thin-walled, convolute flexible elements made by hydraulically forming a tube, welding stacked rings, or pressing a blank — absorbing axial, lateral and angular movement while sealing pressure and isolating vibration. Used in expansion joints, flexible couplings, actuators and hermetic seals, bellows let piping and instruments flex under thermal growth, misalignment and pressure without fatigue failure, with stainless and Inconel chosen for corrosion and temperature service.

At a Glance

Metal Bellows Guide: Hydroformed, Welded & Formed Expansion Joints chart
Figure 1 – Metal Bellows Guide: Hydroformed, Welded & Formed Expansion Joints overview.

Bellows Types

Bellows follow Metal Cold Drawing Guide and pair with Steel Tube Supplier, Stainless Steel Pipe Supplier; relate to Metal Residual Stress Guide en Metal Vibration Fatigue Guide.

Kwaliteit

Convolution and weld checked by Metal Ndt Guide, certified by Mill Test Certificate Guide. Relate to Metal Corrosion Inhibitor Guide.

Supply & QA

Control fatigue via Metal Vibration Fatigue Guide; protect via How To Prevent Metal Rust. HXSCO supplies bellows-grade tube and strip.

Get a Quote

Tell HXSCO your requirements and we will respond with a competitive quote and lead time.

Veelgestelde vragen

What is a metal bellows?

A convoluted flexible element that absorbs movement and seals.

Hydroformed vs welded?

Hydroformed is thin-wall seamless; welded handles thicker plate.

What are they used for?

Expansion joints, seals, actuators, flexible couplings.

Which alloys?

Stainless 300-series and Inconel for heat/corrosion.

Do you supply bellows stock?

HXSCO supplies stainless and Inconel tube for bellows.

Source Bellows-Grade Tube from HXSCO

HXSCO supplies stainless and Inconel tube and strip suited to hydroformed and welded bellows. Send your alloy and size for a quote.

Request a Quote

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