Mechanical ERW Steel Tubing

Mechanical Tube is manufactured to extremely tight tolerances tailored to each customer’s specifications, whether it be ASTM or their own internal standards.

Lock Joint Tube produces cold formed, high frequency electric resistance welded tubing. Among the several applications, ERW steel tubing has the broadest range of applications. LJT electric resistance welded tubing is known in the industry as having tight dimensional tolerances, exceptional straightness and twist control, and world-class surface finishes for given material selection.

As your electric resistance welded steel tubing supplier, we look forward to working with you and meeting your specific needs!

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The LJT Advantage

Tubing that withstands simple to extreme fabrications
Fabrications include single and multiple planar mandrel bending, roll bending, flattening, hydroforming, flaring, coining, drilling, punching, flow drilling, threading, rotary and die swaging, arc welding, friction welding, orbital welding, saw cutting, shearing, laser cutting, coving, post hot dip galvanizing, and heat treating
Tubing from HRPO, HRBL, CR, Galvanized steel, Galvannealed steel, Hot Dip Aluminized steel

Why LJT Mechanical Tubing?

Performance excellence with fabrication – repeatable and predictable
Controlled variation in mechanical properties
Tight dimensional tolerances with OD, outer dimensions, wall thickness
Exceptional straightness for laser cutting
Superior finishes for exposed surfaces with Hot Rolled and Cold Rolled products as needed for painting and plating applications
Reliable weldability and formability
Telescoping capabilities or interference fitting as needed

Current Available Material Types for LJT Mechanical Tubing:

Hot Rolled Pickled and Oiled (HRPO)

Hot Rolled Black (HRBL)

Cold Rolled (CR, CR Half Hard, CR Full Hard)

Galvanized (HR or CR substrate)

Aluminized (HR or CR substrate)

we can accommodate special & unique requirements

Custom Tubing Solutions for Your Application

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Tubing Profiles:

Rounds
Squares
Rectangles
Triangles
Trapezoids
Octagons
Flat Ovals
Elliptical Ovals
D-ovals
Bullet profiles
Pear shapes
Pie Shapes
Step Profiles
Non-Symmetrical shapes
Customizable shapes

Sizes:

Diameter: .314” RD to 6.625” RD [8 mm to 168.3 mm]
Length: Custom-cut lengths ranging from 96” - 600”.
Wall Capability Range: .028” to .375” [.7mm to 9.5mm] depending upon grade and tube size/shape