A and M Groups
Precision Engineering for Power & Distribution Transformer Components
At Outershel, we specialize in designing and fabricating transformer tanks and radiators that satisfies the most demanding performance standards. Every unit is built to handle high-voltage operations, oil-immersion cooling, and long-term reliability. As a transformer radiator & tank fabricators in Chennai we ensure each product delivers consistent quality and durability, with advanced in-house facilities for CNC machining, MIG/TIG welding, bending, and powder coating.
A and M Groups
Our Range of Transformer Tanks & Radiators
What It Is:
Custom-built tanks designed to house distribution and power transformers, ensuring safe insulation, oil containment, and efficient cooling.
| Key Features | Benefits | Applications |
|---|---|---|
| Heavy duty MS steel construction with precise CNC finishing | Long service life under harsh operating conditions | Electrical utilities |
| Leak-proof welding with MIG/TIG techniques | High-quality surface finishing with reduced maintenance. | Industrial plants |
| Compatible with both oil-immersed and dry-type transformers | For extended transformer life, cooling efficiency is enhanced. | Renewable energy substations |
| Customized sizes for ratings up to 100 MVA are available | Infrastructure and commercial power distribution |
What It Is:
Compact transformer enclosures with corrugated wall panels are designed to accommodate natural oil expansion and facilitate effective heat dissipation.
| Key Features | Benefits | Applications |
|---|---|---|
| High-strength corrugated panels for durability | Reduces the overall footprint of transformer installations | Distribution transformers (up to 33 kV) |
| Removes the need for a conservator tank | Better cooling with natural convection | Renewable energy projects (solar/wind farms) |
| Designed for efficient thermal performance | Cost-effective solution for distribution transformers | Urban and rural power supply networks |
| Space-saving, lightweight construction | Easy to install and translate. | Compact substations |
A and M Group
Material, Process & Testing – Built to Industry Standards
Material, Process & Testing – Built to Industry Standards
Materials Used: IS 2062 grade mild steel, CRCA sheets, galvanized steel, and stainless steel (optional as per project specifications)
Surface Finish: Epoxy primer with top coats, polyurethane (PU) systems, powder coating, or hot-dip galvanizing for extended durability
Fabrication: CNC laser cutting, CNC punching, precision bending, MIG/TIG/Arc welding, drilling, tapping, and specialized sheet-metal forming
Testing: Hydro pressure testing, dye-penetrant inspection, ultrasonic flaw detection, dimensional accuracy checks, and painting thickness tests
Add-ons: Flanges, gussets, lifting eyes, inspection windows, drain valves, maintenance holes, radiator mounting brackets, earthing terminals, and other customized accessories
Quality Assurance: Strict adherence to ISO standards, stage-wise inspections, and final acceptance tests before dispatch
Industries we serve
As the transformer radiator & tank fabricators in Chennai our services are in
A and M Groups
Top Reasons Industries Trust Our Transformer Tanks
Proven Expertise
Decades of experience in transformer tank fabrication for leading OEMs
Quality First
Every tank undergoes stringent testing and inspection before dispatch
Customization
Designed to exact client specifications for ratings and cooling needs
Durability
Superior materials and finishing ensure long-term performance
Timely Delivery
Strong supply chain and logistics support for on-time projects
Pan-India Reach
Reliable delivery and service support across the country
A and M Groups
Our Transformer Tank Projects Across
Tamil Nadu
Outershel has successfully delivered transformer radiator & tank fabrications in Chennai for multiple projects, across various cities like, Coimbatore, Trichy, Madurai, Salem, and other industrial hubs of Tamil Nadu. Our solutions are trusted in utility substations, industrial plants, and renewable energy projects, making us a preferred partner for transformer manufacturers and contractors.
A and M Group
Safe Delivery, On Time – Anywhere in India
We understand that transformer projects run on strict schedules.
That’s why we provide:
Every transformer tank is securely packed to prevent damage during transit
Deliveries are handled with care following strict safety guidelines.
A dedicated logistics team ensures smooth coordination from dispatch to delivery.
On-time supply is prioritized, so project schedules are never affected.
Capable of managing both single-unit and bulk consignments with equal efficiency.
Deliveries are carried out across India, maintaining reliability, safety, and punctuality.
A and M Groups
What people saying about industry
Rajesh Kumar
Factory OwnerWe approached A and M Group to build a storage unit for our business, and they did a wonderful job. Their team is highly professional when it comes to metal buildings and handled everything smoothly from start to finish. The structure is sturdy, well-designed, and was completed right on time.
Suresh Patel
Industrial DeveloperWe wanted a strong, low-maintenance roofing solution for our industry space, and A and M Group delivered exactly that. As a trusted trussless roofing contractors in Chennai, they did a wonderful job—quick, neat, and hassle-free. We’re very happy with the outcome.
Venkatesh Raman
Project ManagerA and M Group did a fantastic job for our factory shed. They’re experienced pre-engineered building contractors in Chennai, and it really shows in the quality of their work. They kept us updated throughout the project and made sure everything was completed perfectly and on time.
Anand Krishnan
Business OwnerWe had been searching for good PEB contractors in Chennai for months, and a friend recommended A and M Group. Honestly, it was the best decision we made! The way they handled our pre-engineered building project was so professional yet friendly. The cost was fair, and the final structure came out great.