10M Polygonal Street Light Pole 4mm Wall Q235B Steel Manufacturer
| Diameters | Top: Ø80mm / Bottom: Ø200mm |
| Wall Thickness | 4.0mm (5.0mm Optional) |
| Flange Plate | 380 x 380 x 18mm |
1. Aerodynamic Stability & Harmonic Oscillation Control
At 10 meters (33ft), lighting columns act as massive levers, making them highly susceptible to wind-induced harmonic oscillation (whipping effect), which can prematurely destroy LED driver electronics. To counteract this, the Q235B steel shaft is expanded to a Ø200mm bottom diameter and engineered with a strict 4.0mm minimum wall thickness. The press-braked polygonal geometry further increases the moment of inertia, restricting structural deflection within safe tolerances.
2. Extreme Overturning Moment Resistance (18mm Flange)
The forces generated by heavy double-arm outreach brackets and large luminaire wind-sail areas are transferred entirely to the base. This model utilizes an oversized 380x380mm square flange plate with an extreme 18mm thickness. This prevents flange deformation (cupping) under lateral wind loads and eliminates weld-seam metal fatigue, ensuring the structure remains securely anchored to the concrete footing.
3. Code-Compliant Electrical Access & Earthing
Designed for municipal grid integration, the pole features a reinforced, flush-mounted access door positioned for ergonomic street-level maintenance. The internal cavity provides adequate volume for standard DIN-rail cut-outs and MCBs. Crucially, a heavy-duty grounding lug is welded internally to ensure strict compliance with step-and-touch voltage safety protocols.
4. Passive Cathodic Protection (≥85μm HDG)
Maintenance at 10 meters is logistically expensive. To guarantee a 25+ year lifespan without structural repainting, the column undergoes Hot Dipped Galvanizing to deposit a zinc layer of ≥85μm. This provides passive cathodic protection—meaning even if the outer ≥60μm powder coat is physically gouged by debris, the underlying steel will not rust or compromise the pole’s load-bearing capacity.
| Model Reference | DL01-A01A03-038 |
| Pole Height | 10M (Approx. 32.8FT) |
| Structural Material & Yield Strength | Q235B Carbon Steel (Min. Yield 235 MPa) |
| Cross-Section Geometry | Polygonal (High Bending Moment Resistance) |
| Top Shaft Diameter | Ø80mm |
| Bottom Shaft Diameter | Ø200mm |
| Structural Wall Thickness | 4.0mm (5.0mm Option for High Wind Zones) |
| Base Flange Dimensions | 380 * 380 * 18mm (Anti-Deformation Design) |
| Multi-Mounting Capacity | Supports Single/Double Mast Arms & CCTV Enclosures |
| Electrical Maintenance | Flush Service Door with Internal Earth/Grounding Lug |
| Galvanizing Standard | HDG, Zinc Coating ≥ 85μm (IEC/IECEE Compliant) |
| Powder Coating | ≥ 60μm Thickness (Custom RAL Colors Available) |
Civil Engineering Applications for 10M Polygonal Columns
The 10-meter (33ft) column is a critical threshold in municipal infrastructure. Its 4.0mm wall thickness and heavy 380mm flange provide the payload capacity required for high-speed multi-lane illumination and smart-city hardware integration.
Multi-Lane Expressways & Highways
Illumination Strategy: Illuminating 4-to-6 lane highways requires the light source to be elevated to 10 meters to achieve wide horizontal lux distribution without causing blinding forward glare to high-speed drivers.
Structural Benefit: Highway setbacks dictate poles must be placed further from the carriageway. The Ø200mm base and 18mm flange plate provide the extreme bending resistance required to safely support long 2-to-3 meter outreach arms (brackets) extending the luminaire over the traffic lanes.
Smart City Co-Location (CCTV & 5G)
Illumination Strategy: Modern municipal grids use lighting columns as vertical real estate for traffic surveillance (PTZ cameras), environmental sensors, and micro-cellular antennas.
Structural Benefit: A standard 6m or 8m pole cannot physically support this added weight and wind-sail area. The Q235B 4.0mm steel structure is specifically designed with the necessary torsional stiffness to prevent the pole from twisting, ensuring high-zoom CCTV cameras maintain stable focal points.
Heavy Logistics & Inland Ports
Illumination Strategy: Inland freight terminals require lighting structures that clear the operational height of 18-wheeler articulated trucks and heavy lifting equipment.
Structural Benefit: Elevating the fixture to 10 meters prevents impact damage from commercial vehicles. Additionally, the continuous harmonic vibrations caused by thousands of tons of passing freight are safely dissipated through the 18mm heavy-duty flange plate into the concrete footing, preventing structural fatigue.