Galvanized Electrical Steel Pipe ASTM A53 A36
Galvanized steel pipe is a specialized tubular product manufactured by applying a zinc coating to the surface of carbon steel pipes through hot-dip or electroplating processes. The zinc coating forms a sacrificial anode protection layer, effectively isolating the steel substrate from air and moisture, thereby significantly enhancing corrosion resistance.
Core Classifications:
- Hot-Dip Galvanizing (HDG): Superior performance, 20-50 years service life.
- Electro-Galvanizing (EG): Suitable for indoor decorative or dry environments.
| Process |
Zinc Coating Index |
Core Properties |
Service Life |
| Hot-Dip (HDG) |
≥80μm (average ≥640g/m²) |
Strong adhesion, excellent corrosion resistance |
20-50 years (outdoor) |
| Electro-Galvanizing |
10-50μm |
Smooth surface, indoor use |
3-8 years (indoor) |