Luzhongbao 400×600×60 Ductile Iron Square Grate: The Optimal Choice for Durable Municipal Facilities.
Core Features of 400×600×60 Ductile Iron Square Grate
1. Exceptional Load-Bearing Capacity
Cast from high-strength QT500-7 ductile iron (Tensile Strength ≥500MPa, Yield Strength ≥320MPa, Elongation ≥7%).
60mm thickened design significantly enhances structural rigidity, bending resistance, and impact resistance.
Complies with GB Class A (≥400kN) or Class B (≥250kN) load requirements (specific grade depends on design), effortlessly handling routine loads on sidewalks, non-motorized lanes, green belts, and internal community roads.
2. Outstanding Anti-Theft & Stability
Standard concealed anti-theft hinges tightly interlock the grate with the frame, preventing unauthorized opening and accidental displacement.
Robust installation ensures no noise, bouncing, or movement under traffic, guaranteeing smooth and safe passage.
3. Superior Slip Resistance
Surface features finely designed anti-slip patterns (e.g., cross lines, raised points, fish scale textures) to maximize friction.
Ensures sufficient grip in rain, snow, or oily conditions, effectively preventing slips and enhancing pedestrian safety.
4. High Precision & Easy Maintenance
Strict dimensional accuracy (400mm×600mm) ensures seamless compatibility with matching frames for efficient installation.
High flatness allows smooth integration with road surfaces, minimizing bumps and improving aesthetics and driving comfort.
Durable construction reduces maintenance needs and extends service life, lowering long-term costs.
5. Excellent Corrosion & Weather Resistance
Ductile iron matrix offers inherent corrosion resistance.
Surface treatments (e.g., asphalt coating, epoxy paint, hot-dip galvanizing) provide additional protective layers.
Effectively withstands urban environmental hazards like acid rain, de-icing salts, and moisture, significantly outlasting ordinary cast iron grates.
The Luzhongbao 400×600×60 Ductile Iron Square Grate, with its superior strength, anti-theft security, slip resistance, precise fit, and long-term durability, stands as the ideal solution for square manholes in non-heavy-load urban areas. It delivers solid assurance for the safety, reliability, and efficiency of municipal engineering.
