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Serving the tubing community since 1919

Mechanical & Structural Grade Steel Tubing Supplier

technical services

In-House Metallurgical Lab

As a steel tubing manufacturer, our in-house metallurgists work to reduce variability in our products so customer fabrications are predictable and controllable. This begins with consistency in raw materials, defining internal specifications often times more restrictive than industry or customer standards. Our 2 degreed metallurgists apply best practice and Continuous Improvement methodologies to gain competitive advantages. Find out about our in-house testing here.

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Mechanical & Structural Grade Steel Tubing Supplier

Lock Joint Tube is a mechanical, structural & industrial steel tubing manufacturer with five plants located in Indiana, Ohio, Texas and Tennessee. Selecting hot rolled, cold rolled, aluminized, and galvanized steel, Lock Joint Tube services fabricators and distributors, as well as original equipment manufacturers with different sized and shaped steel tubing. LJT excels in special-shaped tubing to help differentiate our customers in their particular marketplaces.

we can accommodate special & unique requirements

Custom Tubing Solutions for Your Application

Industries We Proudly Serve

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Give us a call at 800-257-6859 or leave us a message.

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