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a large stack of square mechanical steel tubing strapped to pallets.

Square & Rectangular Mechanical Steel Tubing.


L&R Industries maintains a large inventory of square and rectangular welded-seam, mechanical steel tubing, including a variety of A513 T1 & T2, A500 GR B carbon and alloy steel products, and more. We fabricate steel tube in lengths of 24” to 45’, with up to 3” diameters, and we’re constantly building inventory to stay ahead of customer demand so we can usually ship what you need same or next day. We also maintain an extensive inventory of raw materials and regularly do quick line changeovers to meet your specialized needs fast.

See our complete listing of steel tubing and pipe: Product Offerings and Specifications.

employee at desk of steel tubing division

Your Reliable Supply Chain Partner for Steel Tubing.


When you need an experienced, reliable Strategic Partner for any of your mechanical steel tubing and ERW pipe needs, L&R Industries is the one to call. We have the capacity and resources to meet and exceed your most challenging supply chain demands.

Contact Us today for your square and rectangular steel tubing and ERW pipe needs.