Drainage Grating Product Introduction

Material Options

Load-Bearing Flat Steel：Q235A carbon steel (cost-effective) or 304/316 stainless steel (corrosion-resistant).

Cross Bar

Q235A or 304 stainless steel; round, twisted square (5×5mm–8×8mm), square, or hexagonal.

Dimensions

Flat Steel：Thickness 3–10mm (e.g., 25×3mm–100×10mm); width adjusted by load.

Grid: Flat steel spacing 30/40/60mm; cross bar spacing 50/100mm.

Standard Width: 995mm (5mm installation gap).

Load-Bearing Capacity

Light-Duty: 25 tons/m² (residential walkways, parks).

Medium-Duty: 70 tons/m² (factories, roads <20-ton vehicles).

Heavy-Duty: 140 tons/m² (main roads, industrial docks).

Surface Treatments

Hot-Dip Galvanizing: 85μm zinc coating; 20+ years lifespan.

Cold Galvanizing: Thin coating for less demanding uses.

Painting: Anti-rust paint in multiple colors.

Drainage Efficiency

Leakage Area: Up to 83.3% for rapid water runoff.

Example: Drains 1,000 liters/minute/m² at 50mm/h rainfall.

FAQs：

Q: What's the lifespan of the steel grilles?

A: Our steel grilles, especially when hot - dip galvanized, can last over 20 years in normal conditions. Their robust material ensures long - term durability against wear and corrosion.

Q: Do you offer customization?

A: Yes, we provide customization in terms of size, shape, and hole patterns. This allows the grilles to meet specific project requirements, whether for aesthetics or functionality.

Q: How to clean the grilles?

A: Regularly remove debris with a broom or shovel. For stubborn dirt or stains, use a mild detergent and water. In industrial settings, power - washing may be needed to handle heavy - duty grime.

Q: Can the grilles bear heavy loads?

A: Absolutely. They're designed with different load - bearing capacities. Heavy - duty grilles can withstand up to 140 tons/m², suitable for areas with heavy - truck traffic.

Q: How can I contact you?

A: Email: 17331466463@steelwiremeshfactory.com; 17331468011@steelwiremeshfactory.com

WhatsApp: +86 17331466463; +86 17331468011

Applications

Urban Streets

Withstands vehicle weight; prevents waterlogging.

Industrial Plants

Resists chemical spills and heavy equipment.

Commercial Buildings

Safe, non-slip entrances and parking areas.

Residential Areas

Custom designs for driveways/sidewalks.

Recreational Facilities

Drains water around fountains, playgrounds, and sports facilities.