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.
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.
Tubing by Type
Lock Joint Tube services fabricators and distributors, as well as original equipment manufacturers with different tubing types depending on their distinct needs
Learn MoreTubing by Shape
Lock Joint Tube services fabricators and distributors, as well as original equipment manufacturers with different sized and shaped steel tubing used in such diverse industries.
Learn MoreCapabilities
Lock Joint tube hosts unique capabilities across our state-of-the-art mills in Indiana, Ohio, Tennesse, and Texas.
Learn MoreLaser Cutting
Co2 Laser Tube Cutting is a thermal cutting process similar to sheet metal laser cutting but performed on tubing.
Learn Morewe can accommodate special & unique requirements
Custom Tubing Solutions for Your Application
Industries We Proudly Serve
Why Choose Lock Joint Tube
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