Lock Joint Tube, founded in 1919.

Lock Joint Tube manufactures mechanical and structural grade steel tubing in four plants located in Indiana, 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 used in such diverse industries as automotive, office furniture, health care, exercise and display fixtures to name a few.

Incorporated in the state of Indiana, Lock Joint Tube is a privately-owned member of the Lerman Enterprise network of related-industry companies.

LJT Quality Statement

Our primary objective is to profit in our marketplace by providing customers with exceptional quality products and services, and by establishing benchmark quality standards, best described as "Lock Joint Tube Quality."

"Lock Joint Tube Quality" stands for integrity; therefore, we will not compromise on QUALITY, SERVICE or DELIVERY.

Our commitment is to provide customers with the highest quality products and services. We will focus on continuing improvement of all aspects of the business and provide the neccessary resources to meet this commitment.

Our Commitment

Our Technical Services team is dedicated to continuously improve our products and in the field. We recognize the need to provide customers with engineered materials to maximize product performance. LJT offers any customer direct access to metallurgical support 24/7. We take pride in providing unmatched customer service and satisfaction in the tubing industry.