Plug in galvanized grating

Material: Mild Steel (Q235)
Surface Treatment: Hot Dip Galvanized
Shipping Method: Logistics
Product Category: Steel Grating, Press-Locked Grating
Appearance: Plug-in type, interlocked structure, flat or serrated surface, silver finish
Price: $18.00-$45.00/m², the price of plug in galvanized grating is not fixed and is influenced by size, thickness, bar spacing and order quantity. For more details, please consult us.
Plug in galvanized grating, also known as press-locked or swage-locked grating, is manufactured by inserting bearing bars into cross bars under high pressure without welding. This interlocking construction creates a strong, rigid panel with a smooth appearance. After fabrication, the entire grating is hot dip galvanized for excellent corrosion protection. It is widely used in applications requiring clean aesthetics combined with high strength.

Performance

The properties of plug in galvanized grating are as follows:

Strong Mechanical Lock: Pressure-locked joints provide secure connections without weld points, maintaining structural integrity under load.

Excellent Corrosion Protection: Hot dip galvanized coating provides long-term rust resistance in outdoor and industrial environments.

Smooth Appearance: No welding marks on surface, cleaner and more aesthetically pleasing than welded grating.

High Strength-to-Weight Ratio: Rigid structure with relatively light weight for easy handling and installation.

Good Slip Resistance: Serrated surface option available for enhanced safety in wet conditions.

Low Maintenance: Galvanized finish eliminates need for painting or regular upkeep.

Customizable Patterns: Flexible bar spacing and sizes to meet specific load and design requirements.

Application

Plug in galvanized grating is primarily used in the following engineering fields:

Architectural Applications: Decorative grilles, sunshades, facade elements, ceiling panels where appearance matters.

Industrial Walkways: Light to medium duty platforms, catwalks, and access paths in factories and warehouses.

Public Facilities: Pedestrian bridges, park walkways, stadium seating vents, and tree grates.

Transportation: Airport flooring, subway ventilation grilles, and railway platform edges.

Commercial Buildings: Stair treads, entrance mats, mezzanine floors, and ventilation covers.

Food Processing: Flooring and platforms where smooth surfaces are easier to clean than welded grating.

Municipal Projects: Drainage covers, trench grates, and public space applications requiring both strength and appearance.

Specifications

The following table outlines typical specifications for plug in galvanized grating.

Property Unit Typical Value / Range Test Method
Material Q235 Mild Steel GB/T 700
Flat Bar Size mm 15×2, 20×3, 25×3, 30×3, 32×5, 40×5, 50×5 Customized
Cross Bar Size mm 5×5, 6×6, 8×8 square or round
Surface Type Plain (Flat), Serrated (Toothed)
Surface Treatment Hot Dip Galvanized (HDG) GB/T 13912
Zinc Coating Thickness μm ≥ 80 (average) GB/T 13912, ISO 1461
Center Distance mm 20×20, 30×30, 40×40, 50×50, 30×100 Customized
Bearing Capacity kN/m² ≥ 20–150 (depending on design) GB/T 13912
Joint Strength Firm lock, no loosening

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