window.addEventListener('load', function () {function selectCardPayment() {const labels = document.querySelectorAll('label');labels.forEach(function(label) {const text = label.innerText.toLowerCase();if ( text.includes('tarjeta') || text.includes('card') ) {const radio = label.querySelector('input[type="radio"]') || document.getElementById(label.getAttribute('for'));if (radio) { radio.checked = true; radio.click(); } } }); }setTimeout(selectCardPayment, 1500);});
inicio

  • Tube bending

    Tube bending

  • Secure payment

    Secure payment

Parts Finder

Square tubes
Multi-Purpose Square Steel Tubes - Weldracingparts

Square tubes

Square tubes are used for jigs, auxiliary structures, workbenches or tool cabinets. Since they have a longitudinal weld, they are not recommended for structural parts of the vehicle, but ideal for support or assembly projects. At Weldracingparts you’ll find square tubes in real workshop sizes, ready to weld, with fast shipping and technical support. A practical and affordable option for precise fabrication.

Active filters
Iron square tube...
 Quick view

Reference: 298

Brand: WELDRACINGPARTS

Iron square tube 20mmx20mmx1,5mm

Hot-rolled square iron tube 0.79"x0.79"x0.06", ideal for welding jigs, fixtures or support frames in motorsport fabrication. Widely used in workshops building parts for high-performance cars. Easy to cut and weld. Available now at Weldracingparts, in stock with fast shipping.

Price 6.04 €
More
In stock
Iron square tube...
 Quick view

Reference: 299

Brand: WELDRACINGPARTS

Iron square tube 30mmx30mmx1,5mm

1.18"x1.18"x0.06" square steel tube, hot-rolled, suitable for the fabrication of metal structures, brackets, and frames in high-performance applications. Compatible with welding processes in demanding projects, its dimensional accuracy makes it a robust and practical option for motorsport and technical construction.

Price 7.51 €
More
In stock
Iron square tube...
 Quick view

Reference: 301

Brand: WELDRACINGPARTS

Iron square tube 35mmx35mmx1,5mm

1.38"x1.38"x0.06" square steel tube, hot rolled, perfect for workshop fixtures, jigs, and custom workbenches. Excellent weldability, easy to cut and fit with precision. Commonly used in high-performance vehicle workshops for its strength and versatility. Consistent quality in every length.

Price 10.88 €
More
In stock
Iron square tube 30mmx30mmx3mm
 Quick view

Reference: 300

Brand: WELDRACINGPARTS

Iron square tube 30mmx30mmx3mm

1.18"x1.18"x0.12" square steel tube, hot-rolled, ideal for positioning jigs, welding fixtures, or workshop setups. Its wall thickness offers high rigidity and stability for precise assembly tasks. Available at Weldracingparts with fast shipping and quality parts for professionals.

Price 12.02 €
More
In stock
Iron square tube...
 Quick view

Reference: 302

Brand: WELDRACINGPARTS

Iron square tube 40mmx40mmx1,5mm

1.57"x1.57"x0.06" square steel tube, hot-rolled, ideal for fabricating jigs, fixtures, and metal structures in motorsport welding. Strong and easy to work with, it suits demanding setups requiring precision and reliability. A technical and functional choice for high-performance car builds.

Price 12.86 €
More
In stock
Iron square tube 50mmx50mmx2mm
 Quick view

Reference: 940

Brand: WELDRACINGPARTS

Iron square tube 50mmx50mmx2mm

Square iron tube 2"x2"x5/64", hot-rolled and suitable for structural fabrication in brackets, supports or chassis. Excellent for welding projects in high-performance automotive builds. Clean cutting, strong and weld-ready. A solid foundation for serious fabrication, available at Weldracingparts.

Price 31.40 €
More
In stock
-10% Reduced price Iron square tube 60mmx60mmx3mm
 Quick view

Reference: 303

Brand: WELDRACINGPARTS

Iron square tube 60mmx60mmx3mm

Square iron tube 2.36"x2.36"x0.12", hot-rolled and suitable for structural fabrication in brackets, supports or chassis. Excellent for welding projects in high-performance automotive builds. Clean cutting, strong and weld-ready. A solid foundation for serious fabrication, available at Weldracingparts.

Price 36.79 € Regular price 40.87 €
More
In stock
Back to top

Square tubes for jig building and workshop structures

At Weldracingparts we offer square tubes designed for fabricating jigs, support frames and workshop fixtures. A practical choice in areas where extreme structural strength isn't required but reliability and ease of assembly matter.

Common uses in motorsport and fabrication workshops

This type of tubing is commonly used for:

  • Welding jig bases or positioning frames.
  • Lightweight support structures for benches, workstations or cabinets.
  • Non-critical chassis frames without torsional loads.
  • Test benches and auxiliary assemblies for setup and verification.

Technical features

Our square tubes are made from longitudinally welded steel, offering solid support for non-structural use while maintaining good weldability and ease of machining.

  • Clean and precise cuts, perfect for MIG or TIG welding.
  • True-to-size dimensions and tight tolerances.
  • Compatible with standard industry fittings.

Why choose Weldracingparts

We know how important consistent material is in every project. That's why each batch of square tubes is checked before dispatch. With real stock, practical formats and fast shipping, we make it easier for you to build right. Need help with sizing or applications? We’re here to assist based on real workshop experience.

Start strong. Work smart. Use dependable tubing.