Harbor steel products
Harbor Steel offers a range of tubing types to meet different performance requirements, including seamless, DOM (drawn over mandrel), and electric welded tubing. Each option provides unique benefits in strength, finish, and dimensional consistency depending on the application. Our team can help determine the best material based on your project requirements.
Squares (A500 and A513) :
from 3/8″ x 3/8″ to 16″ x 16″
Rectangulars (A500 and A513):
from 1″ x 1/2″ to 12″ x 18″
Round Mechanical Tubing (A500, A513, D.O.M., Electric Weld and Seamless):
from 1/4″ to 10” od
Structural Pipe (A500):
from 1/2″ through 12″
Structural Tubing
Square and rectangular tubing for load-bearing applications
Mechanical Tubing
Round, seamless, and DOM tubing for precision and performance
Pipe Products
Standard pipe and pipe-size tubing
Our team can help determine the best option based on performance requirements, tolerances, and budget.
Explore Harbor Steel’s full range of metal products to support your project needs.

Structural and mechanical tubing and pipe solutions for fabrication, construction, and industrial use.

Durable steel bars designed for structural strength, fabrication, and general industrial applications.

Precision bars with tighter tolerances and improved surface finish for machining and manufacturing.

Beams, channels, and angles built for load-bearing and structural applications.

Flat-rolled steel products available in a range of thicknesses for fabrication, forming, and structural use.

Lightweight, corrosion-resistant materials designed for performance, versatility, and fabrication.

Corrosion-resistant materials available in multiple grades for demanding and specialized applications.

Zinc-coated steel products designed to resist corrosion and perform in demanding environments.