Comparison
Hot-Dip vs Electro-Galvanized Steel
Both apply zinc, but by very different processes — giving very different coating thickness and durability.
| Specification | Hot-Dip Galvanised | Electro-Galvanised |
|---|---|---|
| Process | Immersion in molten zinc | Zinc electroplated from solution |
| Coating thickness | Thick | Thin |
| Outdoor durability | Long (structural use) | Short (indoor/decorative) |
| Typical use | Solar & structural steel | Fasteners, indoor parts |
Frequently asked questions
- Is electro-galvanised steel suitable for solar structures?
- No — its thin coating is for indoor/decorative use. Outdoor structural steel needs hot-dip galvanising.
Not sure which to choose?
We will recommend based on your site and load case.