Industrial, Mechanical & Structural Grade Steel Tubing Markets
Lock Joint Tube LLC provides high-quality tubular products to several different markets for a variety of mechanical & structural grade steel tubing applications. Our extensive experience with a vast number of materials, applications, and fabrications allows LJT to offer the technical support and product performance necessary to exceed the customers’ expectations. In the business of steel tubing manufacturing, LJT satisfies demands from simple structural to the most demanding of automotive applications, we also specialize in steel fence tubing.
Automotive
Lock Joint Tube (LJT) has been a proud partner of the automotive industry for 100 years. Our capabilities in creating unique shapes, precision cutting, and subject matter experts have helped the industry evolve and innovate.
Learn MoreConstruction
Lock Joint Tube offers high-quality steel tubing for the construction industry and offers a wide range of sizes and over 300 shapes. Learn more!
Learn MoreExercise Equipment
Lock Joint Tube (LJT) is a proud partner of the Exercise Equipment industry! In fact, our tube is used in 75% of exercise equipment made in the US.
Learn MoreFence Tubing
At Lock Joint Tube (LJT), we manufacture our steel tubing for fence posts at state-of-the-art tube mills that can hold extremely tight tolerances, a standard for our company since 1919.
Learn MoreFurniture
Lock Joint Tube offers the Furniture Market high quality, competitive costs and excellent service. LJT offers a wide range of sizes, including shapes, that are already tooled for.
Learn MoreSolar
In 2020, the U.S. solar market installed over 19 Gigawatts of solar capacity, a 43% increase from 2019. Lock Joint Tube (LJT) has been a proud partner and top supplier of the Solar Industry since its inception.
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