Powder coating for steel structures up to 3.5 t
More and more heavy steel structures are switching from wet paint to powder coating — for better quality, more flexibility and lower cost. ESTEE engineers lines tailored to heavy, bulky workpieces.
Heavy steel demands robust handling, high oven capacity and durable conveyors. We design the full line around your largest and heaviest parts.
- Workpieces up to 3.5 tonnes
- Reinforced power & free conveyors
- High-capacity curing ovens
- Durable, corrosion-resistant finishes
Ready to build something better?
Can we assist in your plans? Tell us about your project — no commitment, just honest expert advice.
Support over the entire lifetime of your line
Structured plans that keep your line at peak performance.
Theoretical and practical — reaching target output fast.
Extensive availability for fast repairs, minimal stops.
UNICoater IoT enables monitoring and early warning.
Flexible agreements tailored to your line.
Frequently asked questions
Why switch from liquid paint to powder coating for steel structures?
Powder coating gives a stronger, even finish without solvents. It cures quickly, so parts are ready sooner. In addition, overspray can be recovered. The result is better quality, more flexibility and lower costs.
How large and heavy can the parts be?
We design the line around your largest and heaviest parts. Recently we built installations for steel structures up to 24 m long and 3.5 tonnes.
Which conveyor system suits heavy steel?
For continuous high-capacity production a power & free system, for batch work a transfer rail system. In both cases we recommend lowering sections for ergonomic loading and unloading.
How are steel structures pretreated?
Pretreatment can be chemical, mechanical or a combination of both, depending on the quality requirements and the incoming material. We are happy to advise you on the best approach for your situation.
Can galvanised steel be powder coated (duplex system)?
Yes, although outgassing must be taken into account. The porous zinc layer can trap air, moisture and residues that cause surface defects during curing. Pre-baking is the most effective way to prevent this.
How quickly does a new line reach full capacity?
A major advantage of powder coating is that it is quick to learn, and we are happy to provide that training. Typically the line runs at full capacity just 2 to 3 months after start-up.