GB Standard Hot-Dipped Galvanized Steel Grating Welded Metal Mesh Grid Plate for Platform & Construction
Superior Corrosion Resistance: Hot-dip galvanized to a thickness of up to 500 g/m² (compliant with ASTM A123), ensuring decades of rust protection.
High Load Capacity: Heavy-duty welded steel reinforcement effectively prevents bending deformation from heavy industrial vehicles/pedestrian traffic.
Custom Sizes: Standard size is 1 m x 6 m; other sizes are available upon request, with an optional serrated anti-slip design.
Quality Certification: Original manufacturer's certificate of conformity (MTC) provided; SGS/BV third-party testing supported.
| Brand | Royal Steel Group | Max Size | 1000×6000mm |
| Standards | YB/T4001.1, ASTM A123/A36, BS4592, AS1657 | Custom Service | Cutting, bending, welding per drawing |
| Material | Q235B, Q345B, A36, SS400 | Certification | MTC 3.1, SGS/BV/TUV inspection available |
| Surface Treatment | Hot-dipped galvanized, zinc coating 60-610g/m² | Packing | Steel strapped with wooden support |
| Bearing Bar | 20×3~100×10mm, plain/serrated/I-shape | MOQ & Lead Time | 50-100㎡; Stock 7-10days, production 25-40days |
| Pitch | Bearing:30/40/60mm; Cross:50/100mm | Application | Platform, walkway, drain cover, petrochemical engineering |
| Grating Type | Bearing Bar Pitch / Spacing | Bar Width | Bar Thickness | Cross Bar Pitch | Mesh / Opening Size | Load Capacity |
| Light Duty | 19 mm – 25 mm (3/4"–1") | 19 mm | 3–6 mm | 38–100 mm | 30 × 30 mm | Up to 250 kg/m² |
| Medium Duty | 25 mm – 38 mm (1"–1 1/2") | 19 mm | 3–6 mm | 38–100 mm | 40 × 40 mm | Up to 500 kg/m² |
| Heavy Duty | 38 mm – 50 mm (1 1/2"–2") | 19 mm | 3–6 mm | 38–100 mm | 60 × 60 mm | Up to 1000 kg/m² |
| Extra Heavy Duty | 50 mm – 76 mm (2"–3") | 19 mm | 3–6 mm | 38–100 mm | 76 × 76 mm | >1000 kg/m² |
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| Model | Load-bearing Flat Steel Specifications (mm) | Flat Steel Spacing (mm) | Crossbar Spacing (mm) | Applicable Scenarios |
| G253/30/100 | 25×3 | 30 | 100 | Light-duty platforms, steps |
| G303/30/100 | 30×3 | 30 | 100 | General industrial platforms |
| G305/30/100 | 30×5 | 30 | 100 | Medium-load platforms |
| G323/30/100 | 32×3 | 30 | 100 | General industrial platforms |
| G325/30/100 | 32×5 | 30 | 100 | Heavy-duty platforms, workshops |
| G403/30/100 | 40×3 | 30 | 100 | Heavy equipment supports |
| G404/30/100 | 40×4 | 30 | 100 | Heavy equipment supports |
| G405/30/100 | 40×5 | 30 | 100 | Heavy-duty industrial platforms |
| G503/30/100 | 50×3 | 30 | 100 | Extra-heavy-duty platforms |
| G504/30/100 | 50×4 | 30 | 100 | Extra-heavy-duty platforms |
| G505/30/100 | 50×5 | 30 | 100 | Industrial plant operating platforms |
| G254/30/100 | 25×4 | 30 | 100 | Light-duty heavy-duty platforms |
| G255/30/100 | 25×5 | 30 | 100 | Light-duty heavy-duty platforms |
| G304/30/100 | 30×4 | 30 | 100 | Medium-heavy-duty platforms |
| Customization Category | Available Options | Description / Details |
| Dimensions | Length, Width, Bearing Bar Spacing | Section by section: Length 1-6 m; Width 500-1500 mm; bearing bar spacing 25-100 mm, per load demand. |
| Load & Bearing Capacity | Light, Medium, Heavy, Extra Heavy Duty | The load bearing can be design according to project demand; the bearing bars and mesh size are designed to meet structural and application requirements. |
| Processing | Cutting, Drilling, Welding, Edge Treatment | Grating panels may be cut or drilled to size; edges can be trimmed or reinforced; prefab welding available for easier installation. |
| Surface Treatment | Hot-dip Galvanizing, Powder Coating, Industrial Painting, Anti-slip Coating | Indoor, outdoor and coastal grade selection to ensure safe anti-slip performance and corrosion resistance. |
| Marking & Packaging | Custom Labels, Project Coding, Export Packaging | The labels include the material grade, the dimension and the job details, and the packing is suitable for container shipping, flatbed or local delivery. |
| Special Features | Anti-slip Serration, Custom Mesh Patterns | Optional serrated or perforated for added security; the mesh size and pattern can be customised to suit the requirements of your project or your particular aesthetic. |
Custom Tailoring & Pre-cutting:
No need for dangerous on-site cutting. Send us your project structure layouts or CAD blueprints. Royal Steel Group provides customized cutting, toe plate welding, and irregular shape profiling directly at our factory, saving your team up to 40% in on-site installation labor costs.
Our steel gratings strictly undergo Hot-Dip Galvanizing in accordance with ASTM A123. The zinc coating thickness reaches over 85 mu, guaranteeing 20+ years of rust-free service life in harsh coastal, chemical, or high-humidity tropical environments (such as Southeast Asia and Central America).
Where Royal Steel Grating Is the Best Value:
1. Walkways & Catwalks: Built to withstand heavy foot traffic in demanding environments. The open sectored design enables water and mud to fall promptly, removing slip-and-fall risk hazards for plant workers.
2. Steel Staircases: Superior, easy to care for stair treads which are impact resistant. We provide custom make welded end plates and chequer plate nosing for quick on site bolting.
3. Work Platforms: High load-to-weight ratio panels suitable for oil & gas refineries, power plants, and chemical warehouses. Provides excellent ventilation, easy cleaning and unobstructed view for overhead crane work.
4. High-Flow Drainage Systems: The best solution for trench covers and outdoor catch basins. Our drainage gratings are also resistant to freezing water when paired with hot-dip galvanizing, and they can withstand the heavy loading of vehicles.
Project Drawings Assistance: Email your CAD layout files to Royal Steel Group. We will be able to calculate the precise span and load requirements to allow our engineering team to recommend the most economical grating specifications for your application.
Robust strength & long lifespan
Structural steel material delivers solid load capacity, standing up to harsh operational scenarios steadily.
Flexible custom solution
Size, grid spacing and surface treatment can be adjusted freely to fit actual project demands.
Outstanding anti-corrosion capability
Hot-dip galvanization, powder coating and paint finishes are optional, fit for indoor, outdoor and seaside usage.
Anti-slip & good ventilation
Open grid design ensures smooth water drainage and air circulation, effectively securing on-site safety.
Wide application scope
Widely adopted in walkways, work platforms, stair treads and drainage areas for various engineering constructions.
Strict quality control
Produced in line with ISO 9001 standards, stable quality guaranteed for all shipments.
Efficient delivery & reliable service
Prompt shipment within 7-15 days, professional technical and after-sales support always available.
Export Packaging
Galvanized Steel Grating is tightly bundled and reinforced with steel straps to prevent bending, slipping, or damage during transport or handling.
Clear Identification and Project Labeling: Each bundle is labeled with product information: material grade, panel size, load-bearing bar specifications, and project label, facilitating on-site identification and inventory management.
Additional Safety Options: Wooden pallets, waterproof packaging film, plastic corner protectors, and special packaging are available to meet specific project requirements and the needs of long-haul export transportation.
Delivery Time
Typically 7–15 days after order confirmation, depending on order quantity, specifications, and customization requirements.
Flexible Shipping Solutions: Container shipping, bulk carrier shipping, flatbed truck shipping, and multimodal transport options are available to maximize transport efficiency and minimize costs.
Safe Loading and Global Delivery: All packaging is secure and easy to lift, load, unload, and store. Royal Steel Group provides complete export documentation and global shipping assistance to ensure on-time delivery of your industrial, commercial, and infrastructure projects.
Q: Is your Steel Grating suitable for heavy vehicle traffic?
A: Yes. We will adjust the height of the load bar(e.g 32 ×5 mm or 50 ×5 mm) according to your span and loading(from foot traffic to heavy truck loading) for the safety.
Q: What is the MOQ?
A: As for standard configuration for ready products, we welcome small quantity trial order to start. For custom sizes, minimum order is 100 square meters.
Q: How do you avoid damage under sea freight?
A: Steel gratings are tied tightly with steel strap and padded with wooden pads both ends. We also provide nylon slings to facilitate easy unloading at your local port using your forklifts.
Contact Details
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service
