STB76 Electric Pipe Rolling Bender 16-76mm Round & Square

The SUNTECHMACH STB76 section & tube rolling machine is specially designed for rolling large-radius bends and complete circles in thin-walled mild steel and stainless steel round & square tubes. It can be used from either side — the front handles larger tubes while the rear rolls smaller ones. Tooling is made of grey cast iron for long service life. Especially suitable for the production of steel greenhouse frames, pipe arc bending and decoration fabrication.

Key Features

Dual-Side Rolling — Front handles larger tubes, rear rolls smaller tubes on one machine.

1.5KW Motor (220V/380V) — 1400rpm drive for continuous production.

Grey Cast Iron Tooling — Long service life, precise grooves.

Manual Top Roll Adjustment — Set any bending radius, from gentle arcs to complete circles.

Round & Square Tube Tooling Included — 2-in-1 and 3-in-1 combined formers cover 16-76mm round and 16-50mm square.

Greenhouse Frame Specialist — Ideal for steel greenhouse frame, pipe arc and decoration fabrication.

Technical Specifications

What's Included

1x STB76 rolling machine

Round tube tooling set (16-76mm, 2-in-1/3-in-1 combined)

Square tube tooling set (16-50mm, 2-in-1/3-in-1 combined)

1x Operation manual + 12-month warranty card

Applications

Steel greenhouse frame production

Large-radius pipe arcs and complete circles

Thin-wall mild steel / stainless steel round & square tube rolling

Pipe arc bending for decoration and fabrication

Agricultural / greenhouse construction industry

Packaging & Quality Assurance

Packed in wooden case for export. Every machine is tested before shipment under our ISO9001 quality system.

After-Sales Support

12-month warranty

WhatsApp: +86-13777804353 ｜ Email: vivian@cnsuntech.com

Spare parts supply for all SUNTECHMACH models

Operation Guide

Select the correct tooling for the tube (round or square, matching size) and install it on the rollers.

Adjust the top roll height to set the bending radius (lower top roll = smaller radius).

Feed the tube between the rollers.

Drive forward with the switch; pause and reverse as needed to shape the arc or complete circle.

Re-adjust the top roll for the final radius if required; remove the finished piece.

Common Faults & Solutions

FAQ

1. WHO ARE WE? — We are a professional pipe machine manufacturer in Hangzhou, China. Our team has worked in the pipe tool industry since 1989, and the company was registered in 2014. We are close to Shanghai, Ningbo and Yiwu ports, exporting mainly to North & South America, South Asia and the Middle East.
2. HOW CAN WE GUARANTEE THE QUALITY? — We always test at least one pipe on every machine before shipping. All our machines carry a 12-month warranty.
3. WHAT CAN YOU BUY FROM US? — Pipe threading machines, roll grooving machines, pipe cutting machines, pipe bending machines, plastic pipe welding machines, pressure test pumps and pipe tools.
4. WHY SHOULD YOU BUY FROM US? — We offer a full range of pipe tools; you can mix different models in one shipment. Multilingual support: English, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian.
5. HOW LONG IS THE LEADTIME? — Usually 10-35 days after payment, depending on motor voltage customization.
6. HOW CAN YOU PLACE ORDER? — We accept T/T payment to our company account; online shop payment by credit card is also available.
7. HOW TO SHIP? — By sea to port for bulk orders; door-to-door delivery for small shipments.
8. WHAT IS THE MOQ? — No strict MOQ; however, we recommend an order amount of at least USD 2000 for cost-effective overseas shipping.
9. IS OEM ACCEPTABLE? — Yes. For bulk orders we can make nameplates and customized packaging in your brand.