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Metallic Seals & O-Rings

Our stainless hypodermic tubing, primarily 321 stainless steel, can be cut, formed and welded into circular O-rings that are used as seals for applications and conditions where non-metallic seals cannot be used due to temperature, pressure or environmental conditions that could cause outgassing or deterioration.

In the aerospace and chemical fields, high temp 321 stainless steel O-rings are utilized in semiconductors, hydraulic applications, jet aircraft components, and boilers, as well as in gas pipelines. 321SS is most commonly used for metallic seals and O-rings because the addition of titanium increases the resistance of the material to corrosion and fatigue at elevated temperatures.

Request A Quote

Contact American Tube Technology Inc.

Our tubing production facility is centrally located near Knoxville, TN.

phone icon720-582-4748


fax icon1-303-282-7641

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