Vietnamese Utility Selects Yixing Hongxin 30FT Octagonal Galvanized Steel Poles for 15kV Power Line
August 26, 2026
30FT Octagonal Galvanized Steel Poles for a 15kV Power Line Project in Vietnam
In a recent medium-voltage transmission project, a Vietnamese customer selected Yixing Hongxin Illumination Facilities Co., Ltd. as its supplier of 30FT octagonal galvanized steel poles. Designed for 15kV power line application, these poles deliver a balanced combination of high-strength structural steel, heavy-duty hot dip galvanizing, and reliable manufacturing quality for long service life in Vietnam's demanding climate.
Customer Background
The end customer is a utility and infrastructure contractor based in Vietnam, engaged in the construction and maintenance of medium-voltage distribution networks across the country. With rapid urbanization and industrial expansion driving growing electricity demand, the customer required a dependable source of steel poles that could meet tight delivery schedules, strict dimensional tolerances, and long-term corrosion resistance at a competitive factory-direct price.
Product Specifications
| Parameter | Specification |
|---|---|
| Height | 30FT / 9150mm |
| Shape | Octagonal / 8 Sides |
| Material | Q355 / Q235 (Q355B / ASTM A36) |
| Wall Thickness | 2.75mm / 3.0mm |
| Design Load | 500 KGF |
| Surface Treatment | Hot Dip Galvanized / Black Tar Painting |
| Galvanizing Thickness | Min Average Over 86 Microns |
| Application | 15kV Power Line |
| Warranty | 5 Years |
Why the Customer Chose Yixing Hongxin
- Direct factory advantage: over 25 years of manufacturing history, 30 million RMB registered capital, and a 15,000-square-meter production base.
- Specialized product focus: the factory specializes in octagonal hot dip galvanized steel poles applied in 15kV power line projects.
- Superior galvanizing quality: average galvanizing thickness above 86 microns ensures excellent corrosion protection for Vietnam's tropical climate.
- Flexible material options: poles are available in Q355B / ASTM A36 structural steel with 2.75mm and 3.0mm wall thickness options to meet the 500 KGF design load.
- Large production capacity: over 1,000 tons per month guarantees on-time delivery for the project schedule.
- Long-term warranty: a 5-year warranty provides the Vietnamese customer with lasting peace of mind.
Product Highlights
- Q345 galvanized octagonal pole widely proven in medium-voltage distribution networks.
- 500KGF galvanized octagonal pole engineered for standard distribution line loads.
- 15kV galvanized pipe post delivering reliable support for power line conductors.
- Octagonal / 8-side cross-section provides excellent structural rigidity and wind load resistance.
- Black tar painting available as an additional protective layer for highly corrosive environments.
Quality Assurance
Every 30FT octagonal pole undergoes strict dimensional inspection and galvanizing thickness verification before shipment. The hot dip galvanized surface provides reliable anti-corrosion performance even in high-humidity tropical conditions, while the optional black tar painting offers an extra barrier for poles installed in coastal or industrial areas.
Project Outcome
With the successful delivery of the 30FT octagonal galvanized steel poles, the Vietnamese customer completed the 15kV power line construction on schedule. The combination of competitive factory-direct pricing, certified product quality, and responsive engineering support has laid a solid foundation for a long-term partnership between the customer and Yixing Hongxin Illumination Facilities Co., Ltd.