Steel tube bent around the bend die of a tube bending machine

CNC Tube Bending
Services

CNC mandrel bending of stainless tube from 6.35mm to 50.8mm, with tight radii and clean finishes.

  • 6.35–50.8 mm Tube diameter
  • Mandrel Wall integrity kept
  • ISO 9001 Certified quality system

Precision bends without compromise

At NSSC, CNC tube bending isn’t guesswork; it’s precision. We form stainless tubes from 6.35mm to 50.8mm in diameter with tight radii, repeatable accuracy, and finishes ready for use. From intricate prototypes to structural production runs, every bend is programmed, measured, and delivered to spec.

Mandrel-bent tubes on a workshop rack

Our CNC tube bending capabilities

  • Tube diameters: 6.35mm - 50.8mm
  • Single & multi-bend sequences with radii control
  • Mandrel bending for wall integrity & smooth finishes
  • Complex, multi-plane geometries with repeat accuracy
  • Materials: 304, 316, 3CR12, Duplex, aluminium, mild steel & more
  • Clean, uniform finish - ideal for visible or hygienic applications

From drawing to delivery

  1. Review bend specs & materials

  2. Program the optimal bend sequence

  3. Run controlled production with inspections

  4. Deliver tubes ready for assembly, welding, or installation

NSSC welders at a fabrication table in the Kempton Park factory

Why choose NSSC?

  • 40+ years stainless steel expertise
  • Digitally programmed accuracy, bend after bend
  • Maintains wall thickness & material integrity
  • Handles urgent deadlines & production-scale runs
  • Works across stainless, aluminium, mild steel, Duplex & alloys
  • ISO TUV 9001-certified quality management
  • Integrated with NSSC’s in-house cutting, polishing & fabrication

Industries we serve

NSSC tube bending supports projects in:

  • Automotive: Exhausts, frames, custom tubing
  • Architecture: Railings, handrails, decorative steelwork
  • Chemical & Petrochemical: Corrosion-resistant process piping
  • Civil & Construction: Structural & functional tubing
  • Water & Sanitation: Hygienic tubing & fittings
  • Paper & Pulp: Precision stainless components
  • Mining & Heavy Industry: Robust bends for equipment
  • Engineering: Custom-formed machine parts
  • Agriculture: Durable tubing for farm & processing

Frequently asked questions

What is CNC tube bending and when is it needed?

CNC tube bending forms straight stainless steel tube into precise curves and complex geometries using computer-controlled mandrels. It's used wherever a fluid line, structural frame, or decorative piece needs accurate curves that maintain tube cross-section integrity without flattening or cracking.

What tube sizes can NSSC bend?

NSSC's CNC tube bending handles a range of tube diameters and wall thicknesses across stainless steel, mild steel, and aluminium. For exact diameter and wall thickness ranges on your project, contact our team with your drawings for a detailed capability and tolerance review.

How does NSSC ensure tube cross-sections stay intact during bending?

NSSC uses CNC-controlled mandrel bending which supports the inside of the tube during the bend. This prevents collapse, ovalisation, and wall thinning that would occur with standard rotary bending, particularly on tight radii and thin-walled tube sections used in fluid applications.

What materials can NSSC bend?

NSSC bends stainless steel (304, 316, 3CR12), mild steel, and aluminium tube. Each material requires different setup parameters and tooling. Our team selects the right combination of mandrel, wiper die, and bend speed to ensure cleanage results across every material grade.

What industries use NSSC's tube bending?

NSSC's tube bending serves automotive (exhausts, roll cages), architectural (handrails, balustrades), food and beverage (hygienic process pipework), chemical and petrochemical (process lines), mining (hydraulic and pneumatic lines), and engineering sectors requiring precise, repeatable curved tube components.

Can tube bending be combined with NSSC's other services?

Yes. NSSC integrates tube bending with cutting, welding, polishing, and finishing in one workflow. Your tube assembly can arrive cut, bent to spec, welded into sub-assemblies, finished, and inspected, all from a single facility, reducing transport and lead time across the project.

Get a quote for CNC tube bending services

Need tight radii and clean bends without wrinkles, flattening, or ovality? NSSC delivers tube and pipe bent to spec, every time.

Send us your project details

Please fill out the form below and we’ll get back to you within 24 hours.

Prefer email? Send drawings (DXF, DWG or PDF) to info@nssc.co.za. Ordering standard stock cut to size? Request a quote online.