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Parts Finder

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-5% Reduced price Round tube St52 0,78"X1/16"
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Reference: 849

Brand: WELDRACINGPARTS

Round tube St52 0,78"X1/16"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 13.02 € Regular price 13.71 €
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Round tube St52 0,98"X1/16"
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Reference: 848

Brand: WELDRACINGPARTS

Round tube St52 0,98"X1/16"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 15.09 €
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Round tube St52 1,25"X3/64"
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Reference: 845

Brand: WELDRACINGPARTS

Round tube St52 1,25"X3/64"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 15.52 €
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-5% Reduced price Round tube St52 0,86"X5/64"
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Reference: 261

Brand: WELDRACINGPARTS

Round tube St52 0,86"X5/64"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 15.63 € Regular price 16.46 €
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-5% Reduced price Round tube St52 1,18"X1/16"
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Reference: 263

Brand: WELDRACINGPARTS

Round tube St52 1,18"X1/16"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 17.51 € Regular price 18.43 €
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Round tube St52 1,10"X1/16"
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Reference: 847

Brand: WELDRACINGPARTS

Round tube St52 1,10"X1/16"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 18.55 €
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Round tube St52 1,18"X3/32"
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Reference: 264

Brand: WELDRACINGPARTS

Round tube St52 1,18"X3/32"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 19.84 €
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-5% Reduced price Round tube St52 1,25"X3/32"
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Reference: 404

Brand: WELDRACINGPARTS

Round tube St52 1,25"X3/32"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 23.32 € Regular price 24.55 €
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Round tube St52 1,49"X5/64"
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Reference: 699

Brand: WELDRACINGPARTS

Round tube St52 1,49"X5/64"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 25.24 €
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-10% Reduced price Round tube St52 1,37"X3/32"
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Reference: 266

Brand: WELDRACINGPARTS

Round tube St52 1,37"X3/32"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 28.13 € Regular price 31.25 €
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In stock
Round tube St52 1,49"X3/32"
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Reference: 434

Brand: WELDRACINGPARTS

Round tube St52 1,49"X3/32"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 29.95 €
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In stock
Round tube St52 1,37"X7/64"
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Reference: 265

Brand: WELDRACINGPARTS

Round tube St52 1,37"X7/64"

The ST52 Ducal tubes are a key solution in motorsport, designed for building roll cages and durable structures. This seamless material ensures a uniform and reliable structure, complying with Appendix J regulations for official competitions. Its balance between affordability and reliable performance makes it an ideal choice for custom and competition...

Price 31.21 €
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ST52 Ducal seamless tubes for safe and functional automotive structures

ST52 Ducal tubes are a solid and affordable solution for building metal structures in motorsport. Made from seamless structural steel, they offer reliable performance for those who need a balance of strength, workability, and regulation compliance.

Main technical features

  • Seamless tube: manufactured without welds, with uniform and continuous structure.
  • ST52 steel: good resistance under stress and impact, suitable for automotive use.
  • Weldable material: easy to cut, bend and weld with MIG or TIG processes.
  • Cost-effective: ideal for projects with budget constraints.

Recommended motorsport applications

  • Roll cage fabrication for amateur competition vehicles.
  • Structural reinforcements where weight and cost matter.
  • Support brackets and custom framework.

Practical benefits for fabricators

  • Solid performance at low cost: reliable solution for tight budgets.
  • Anexo J compliant: suitable for legal motorsport structures.
  • Workshop flexibility: adaptable to many fabrication styles.
  • Good starting point: can be upgraded later to 25CrMo4 if needed.

Why choose Weldracingparts?

At Weldracingparts, we understand the needs of those who build high-performance vehicle structures. That’s why we offer ST52 Ducal tubes with technical features that support efficient and safe fabrication. We also offer custom cutting to fit each project precisely.

If you're building on a budget and want something reliable and compliant, this tube is a smart choice to start your next project with confidence.