Steel Crossarm (Our Base) | Residential/commercial power lines | Material: Steel (ASTM A36) ▲ Load Capacity: 1,200 kg (IEC 61439-2) Corrosion Resistance: 5 years (ASTM B117) | Cost-effective, durable for moderate loads. Standard strength for urban use. | Prone to rust without galvanization. Heavy compared to aluminum. |
Steel Crossarm (Our Advanced) | Industrial/high-stress environments | Material: High-grade steel (ASTM A572) ▲▲ Load Capacity: 1,800 kg (▲50% over Base) Corrosion Resistance: 15 years (ASTM A153) | Enhanced strength for heavy-duty use. Longer lifespan in corrosive areas. | Higher cost. Requires specialized installation. |
Aluminum Crossarm | Rural/lightweight installations | Material: Aluminum 6061 ▲ Load Capacity: 800 kg (IEC 61439-2) Weight: 12 kg/m (ISO 7531) | Lightweight, corrosion-resistant. Easier to install in remote areas. | Lower load capacity. Not ideal for high-voltage systems. |
Composite Crossarm | Coastal/high-corrosion zones | Material: Fiberglass (ASTM D790) ▲▲ Corrosion Resistance: 0% permeation (ASTM D543) Fire Resistance: Class A (ASTM E84) | Immune to rust/chemicals. Non-conductive for safety. | Fragile under extreme loads. Higher upfront cost. |
Galvanized Steel Crossarm | Standard utility grids | Material: Steel + Hot-Dip Galvanization (ASTM A153) ▲ Corrosion Resistance: 10 years (ASTM B117) Load Capacity: 1,500 kg | Improved rust protection vs bare steel. Balanced cost-performance ratio. | Moderate weight. Galvanization adds installation complexity. |
High-Capacity Steel Crossarm | Heavy industrial setups | Material: Ultra-High-Strength Steel (ASTM A514) ▲▲▲ Load Capacity: 2,500 kg (▲108% over Base) Thermal Conductivity: 30 W/m·K | Handles extreme loads and temperatures. Suitable for high-voltage grids. | Bulky design. Very expensive and niche application. |