
A Lemas hydraulic three-roll plate bending roll and a hydraulic section bender — cylindrical shells for round transformer tanks and conservators, rolled rings and flanges, and bent bar and angle for structures and frames.
Round transformer tanks, conservators and tube-cooled pole-mount tanks are cylinders; their top rings and flanges are rolled rings; radiator headers and some enclosure parts are rolled or curved sections. Rolling is the forming process that makes them, and it belongs beside the plate plasma and the welding cells so a rolled shell goes to seam welding without leaving the floor.
FabTek rolls tank shells and rings on a Lemas hydraulic three-roll plate bending roll — plate is pre-bent, rolled to diameter and checked against a template before the longitudinal seam is welded — and forms bar, angle and small sections on a hydraulic bender. Rolled shells feed the round tank and covers and conservators lines; rolled rings and curved sections feed tank, enclosure and structural work across the shop.
Cylindrical shells for tube-cooled pole-mount tanks, regulator tanks and round distribution tanks.
Rolled cylinders with welded ends for power transformer conservators.
Top rings, base rings and flanges for round tanks and cylindrical enclosures.
Radiator header pieces, transition cones and curved enclosure panels.
Curved angle, flat bar and small sections for structures, frames and guards.

Pre-bent at the ends so the seam closes round.

Rolled to diameter and checked against a template.

The longitudinal seam is welded with the shell held round.

Shells feed the round tank and conservator lines.

Round and pole-mount transformer tanks, conservators and covers, cylindrical enclosures and housings, and curved structural and conveyor parts. Rolled shells are welded, tube-cooled or finned on site and finished on the powder-coat line.
| Plate roll | Lemas hydraulic three-roll plate bending roll |
|---|---|
| Section bender | Hydraulic bender for bar, angle and small sections |
| Materials | Carbon steel plate; stainless and aluminum by request |
| Operations | Pre-bend, roll to diameter, cone rolling, ring rolling; template and diameter checks before welding |
| Downstream | Seam welding, tube and fin attachment, leak test, powder coat on site |
| Traceability | Plate heat numbers carried to shell; ISO 9001:2015 |
| Also specified as | Plate rolling services, tank shell rolling, cylinder rolling, ring rolling, plate bending, section bending, metal rolling services |
Representative capabilities — exact ranges, ratings, and finishes are confirmed per project. Send drawings for a firm quote.
A rolled shell that is round to the tape but not round to the template gives the welder a seam that won't close and the fitter a cover that won't seat. FabTek pre-bends the leading and trailing edges, rolls to a diameter template and checks roundness before the seam is tacked, so the longitudinal weld closes without forcing and the top ring seats flat. On a tube-cooled tank that discipline is what keeps the tube bank fitting the shell — see round and pole-mount tanks.

Built at four production sites in Hazlehurst, Mississippi.
ISO 9001:2015 quality management, AWS-certified welding, OSHA-compliant facilities.
In-house powder coat backed by an IEEE 2000-hour salt-spray certification.
Reserved-line capacity and the automation to grow with your volume.
Cylindrical shells for round transformer tanks and conservators, rolled rings and flanges, cones and curved sections, and bent bar and angle for structures and frames.
FabTek Industries rolls tank shells on a three-roll plate bender and welds, fits and finishes the tanks at its Hazlehurst, Mississippi plants for transformer OEMs and repair shops.
Yes, by request — most rolled work is carbon steel for tanks, but stainless and aluminum shells and rings can be rolled for enclosure and process applications.
Yes. Rolled and pre-bent shells and rings ship to print for customers who complete the tank in their own plant.
Explore related lines: Round & pole-mount tanks · Covers & conservators · Transformer tanks · Power transformer tanks
Further reading: Conservators, covers and tank accessories · Welded vs. bolted transformer tanks · How to qualify a transformer tank fabricator






Have shells, rings or curved plate to form? Send the drawings — we'll come back with a plan and a firm price, typically within one business day.