When rubber and composite hose cannot handle the heat, pressure, or media, flexible metal hose takes over. It is the go-to for steam, hot oil, cryogenics, and corrosive service.

Why Choose Metal Hose?

Corrugated metal hose flexes like hose but survives conditions that destroy elastomers: extreme temperature, high vacuum, aggressive chemicals, and zero permeability for gases. A braid over the corrugation adds pressure capacity and protects the hose.

Annular vs. Helical Corrugation

• Annular (rings): the standard for hose assemblies; flexes in any direction and welds easily to fittings.
• Helical (spiral): better for continuous conveying and tight spiral flexing.

Choosing the Alloy

• 321 and 316 stainless: the workhorses for steam, hot oil, and general corrosion resistance.
• Bronze: economical for water, fuel, and lower-temperature service.
• Monel and Hastelloy: high-nickel alloys for chlorides, acids, and severe corrosion.

Match Pressure, Temperature, and Motion

Metal hose flexes, but it does not stretch. Size the live length for the movement, avoid torque, and respect the minimum bend radius so the corrugations do not fatigue. We can weld fittings and pressure-test the assembly to spec.

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