Your browser is out of date.

You are currently using Internet Explorer 7/8/9, which is not supported by our site. For the best experience, please use one of the latest browsers.

Tubular Manufacturing Facilities

Lock Joint Tube manufactures mechanical and structural grade steel tubing in 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 used in such diverse industries as solar, automotive, office furniture, health care, exercise, and display fixtures to name a few. Find out about each of our tubular manufacturing facilities' specific capabilities below.

Learn More

Welded Tube, Inc - Newest member of the LJT Family- Specializing in Advanced High Strength Tube

In 2020 Lock Joint Tube acquired WTI Capabilities:

Mills shape the strip into a tube from 3/8" to 2-1/8" 0.0. with wall thickness from .020" to .083"

Tooled for more than 200 tube sizes, and can tool up for special sizes and shapes on a 6 to 8 week lead time.

Average inventory of 2,000 tons of SAE 1008, 1020, AKDO and HSLA steel lets us offer you 4 lo 5 week production lead times.

Brite Finish tube has a maximum profilometer reading of 15 microns, standard and guaranteed. 

We offer cut-to-length as well as mill length.

Cut-to-length tolerance is ±0.015", Grieder cut or Brehm cut. Our tolerances on wall thickness, outside diameter and inside diameter all better ASTM standard tolerances by half. 

Edges of the formed tube are high frequency electric-resistance welded, forming a clean, strong bond.

Leading supplier. to the vacuum cleaner industry, WTI offers floor care customers an extensive range of fabrication capabilities: punching, drilling, stamping, swaging, bending, weld-on, and rivet-on.

Sophisticated monitoring and recording system ensures that the crucial welding temperature remains within the optimum range. 

Finishing capabilities include this proprietary end conditioning station. 

Owned truck fleet or your choice of carriers delivers quality by the truckload. 

Have a Question?
Our experts can help

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

Ask a Tubing Expert