Choosing the right corrugated transformer tank manufacturer is a critical decision for transformer manufacturers, power utilities, EPC contractors, and electrical equipment distributors.
A high-quality transformer tank directly affects:
With many transformer tank suppliers worldwide, buyers should evaluate not only the price but also the manufacturer’s production capability, engineering experience, material quality, manufacturing process, testing standards, and after-sales support.
Radiastar is a professional corrugated transformer tank manufacturer specializing in OEM production of hermetically sealed oil-immersed transformer tanks for global transformer manufacturers.

The first factor when selecting a transformer tank supplier is manufacturing experience.
A professional manufacturer should understand:
A supplier only producing general metal fabrication products may not have sufficient knowledge of transformer applications.
Before cooperation, ask:
✔ How many years of transformer tank manufacturing experience do you have?
✔ Do you supply transformer manufacturers or only trading companies?
✔ Can you provide previous transformer tank projects?
✔ Do you support OEM production?
A reliable corrugated transformer tank factory should have proven manufacturing experience and technical capability.
The manufacturing process determines the final quality of the transformer tank.
A professional manufacturer should have complete production capabilities including:
Capabilities:
Benefits:
The corrugated forming process is the core technology.
Important factors:
High-quality corrugated panels provide:
Transformer tanks require high-quality welding because they must prevent oil leakage.
Recommended welding technologies:
A qualified manufacturer should perform:
Material selection directly affects transformer tank durability.
| Component | Recommended Material |
|---|---|
| Tank body | Q235B / Q345B steel |
| Corrugated fins | Cold rolled steel plate |
| Reinforcement parts | Structural steel |
| Sealing gasket | Oil-resistant NBR |

Poor-quality steel may cause:
A professional manufacturer should provide:
Transformer tanks usually operate outdoors for decades.
Therefore, corrosion protection is one of the most important purchasing factors.
A professional corrugated transformer tank supplier should provide a complete coating system.
Recommended:
Sand blasting: Sa2.5 grade
Removes:
Common:
Epoxy zinc-rich primer
Advantages:
Common:
Polyurethane coating
Advantages:
| Corrosion Class | Application |
|---|---|
| C3 | Normal outdoor environment |
| C4 | Industrial/coastal areas |
| C5 | Marine and harsh environments |
For coastal countries or high humidity areas, buyers should consider C4 or C5 protection.
A reliable transformer tank manufacturer should have strict inspection procedures.
Purpose:
Purpose:
Purpose:
Check:
Check:
Transformer manufacturers often require customized tank designs.
A capable supplier should support:
Common customized parameters:
For transformer factories, delivery reliability is extremely important.
Before selecting a supplier, evaluate:
Ask about:
A professional supplier should support:
For overseas buyers, export experience is important.
A professional transformer tank exporter should understand:
Important documents include:
Radiastar specializes in manufacturing:
Our manufacturing advantages include:
Supporting:
Including:
Available specifications:
| Item | Range |
|---|---|
| Capacity | 50kVA–3150kVA |
| Voltage | 6kV–35kV |
| Cooling | ONAN |
| Tank Type | Hermetically sealed |
| Material | Q235B/Q345B |
| Protection | C3/C4/C5 |
Before placing an order, confirm:
✅ Manufacturer or trading company?
✅ Transformer tank production experience?
✅ Own factory and equipment?
✅ Material certificates available?
✅ Welding quality control?
✅ Leakage testing provided?
✅ Anti-corrosion coating system?
✅ OEM customization capability?
✅ Export experience?
✅ After-sales technical support?
The most important factors are manufacturing experience, material quality, welding technology, corrosion protection, testing standards, and customization capability.
No. A lower price may reduce material thickness, coating quality, or testing standards, which can increase long-term operating risks.
Corrugated transformer tanks are commonly used for:
50kVA, 100kVA, 160kVA, 250kVA, 400kVA, 630kVA, 1000kVA, 1600kVA, 2500kVA and 3150kVA transformers.
Yes. Radiastar provides OEM manufacturing based on customer drawings, transformer specifications, and installation requirements.
Selecting the right corrugated transformer tank manufacturer ensures better transformer performance, lower maintenance costs, and longer service life.
Radiastar provides:
✔ Factory-direct transformer tank supply
✔ OEM customization
✔ International export service
✔ Technical support
Contact Radiastar today for transformer tank specifications and quotation.
















