ASTM A36 Galvanized Steel Grating – American Steel Structure Accessories
| Product Name | ASTM A36 Steel Grating | Material Standard | ASTM A36 Carbon Structural Steel |
| Dimensions | Standard Width: 600–1500 mm | Tolerance | Length: ±2 mm |
| Standard Height/Thickness: 25–50 mm | Width: ±2 mm | ||
| Grating Spacing: 30–100 mm (customizable) | Thickness: ±1 mm | ||
| Quality Inspection | Chemical composition test (Spectrometer) | Surface Treatment | Hot-dip galvanization (HDG) |
| Mechanical property test (Tensile, Hardness) | Electro-galvanization | ||
| Flatness inspection | Powder coating / Spray painting | ||
| Weld strength test | Plain black / Raw steel finish | ||
| Applications | Industrial walkways & platforms | ||
| Steel stair treads | |||
| Drainage grating covers | |||
| Warehouse and factory access platforms | |||
| Ship decks & outdoor facilities | |||
| 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 |
| 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 | Adjustable per section: Length 1–6 m; Width 500–1500 mm; Bearing bar spacing 25–100 mm, designed to suit load requirements. |
| Load & Bearing Capacity | Light, Medium, Heavy, Extra Heavy Duty | Load capacity can be customized according to project needs; bearing bars and mesh openings are engineered to meet structural specifications. |
| Processing | Cutting, Drilling, Welding, Edge Treatment | Grating panels can be cut or drilled to specification; edges can be trimmed or reinforced; prefabricated welding available for easier installation. |
| Surface Treatment | Hot-dip Galvanizing, Powder Coating, Industrial Painting, Anti-slip Coating | Selected based on indoor, outdoor, or coastal conditions to ensure corrosion resistance and safe anti-slip performance. |
| Marking & Packaging | Custom Labels, Project Coding, Export Packaging | Labels show material grade, dimensions, and project details; packaging is suitable for container shipping, flatbed, or local delivery. |
| Special Features | Anti-slip Serration, Custom Mesh Patterns | Optional serrated or perforated surfaces for enhanced safety; mesh size and pattern can be tailored to meet project or aesthetic requirements. |
1. Walkways
Provides a safe and stable walking surface for personnel in industrial plants, factories, and warehouses.
The open-grid design ensures slip resistance while allowing dirt, liquids, and debris to pass through, keeping the surface clean and hazard-free.
2. Steel Staircases
Ideal for industrial and commercial stair treads where durability and anti-slip performance are essential.
Optional serrated or anti-slip inserts can be added for enhanced safety.
3. Work Platforms
Widely used in workshops and maintenance areas to support machinery, equipment, and personnel.
The open design allows for proper ventilation and easy cleaning of work surfaces.
4. Drainage Areas
The open-grid structure enables efficient passage of water, oils, and other fluids.
Commonly installed in outdoor areas, factory floors, and alongside drainage channels to ensure safe and effective fluid management.
High Strength & Long Service Life
Manufactured from ASTM A36 structural steel, the grating offers excellent load-bearing performance and durability for demanding working conditions.
Flexible Customization
Dimensions, mesh size, bearing bar spacing, and surface finishing can be tailored to meet specific engineering and project requirements.
Superior Weather & Corrosion Resistance
Available with hot-dip galvanizing, powder coating, or industrial painting, making the product suitable for indoor, outdoor, or coastal/marine environments.
Safe, Non-Slip, and Well-Ventilated
The open-grid structure provides natural drainage and airflow while enhancing slip resistance—improving workplace safety.
Versatile Applications
Ideal for industrial, commercial, and infrastructure projects, including walkways, platforms, stairways, maintenance areas, and drainage zones.
ISO 9001 Quality Assurance
Manufactured under strict quality control systems to ensure consistent performance and reliable results across every batch.
Fast Delivery & Professional Support
Flexible production, packaging, and logistics options available. Standard delivery time: 7–15 days, backed by experienced technical and customer service teams.
Packing
Standard Export Packing
Grating panels are bundled securely with steel straps and reinforced to avoid deformation or damage during transit.
Customized Labels & Project Identification
Each bundle can include labels indicating material grade, size specifications, and project codes for efficient handling at the job site.
Additional Protection Available
Wooden pallets, protective covers, and enhanced packaging can be provided for sensitive surface requirements or long-distance shipment.
Delivery
Lead Time
Typically 7–15 days after order confirmation, subject to order quantity and customization.
Flexible Shipping Options
Supports container loading, flatbed transportation, and local delivery arrangements.
Safe Handling & Transport
Packaging is designed for safe lifting, loading/unloading, and efficient installation upon arrival.
Stable cooperation with shipping companies such as MSK, MSC, COSCO efficiently logistics service chain, logistics service chain are we to your satisfaction.
We follow the standards of quality management system ISO9001 in all procedure, and have strict control from packaging material purchase to transport vehicle scheduling. This guarantees the H-beams from the factory all the way to the project site, helping you build on a solid foundation for a trouble free project!
Q1: What material is used for ASTM A36 steel grating?
A: It is manufactured from ASTM A36 carbon structural steel, known for excellent strength, toughness, and weldability.
Q2: What sizes are available?
A: Common widths are 500–1500 mm, length 1–6 m, and bearing bar spacing 25–100 mm. Customized dimensions can be produced upon request.
Q3: Does the product meet quality standards?
A: Yes. Grating is produced according to ASTM A36 requirements and quality-controlled under ISO 9001 systems.
Q4: What surface finishes can be provided?
A: Available finishes include:
Hot-dip galvanizing
Powder coating
Industrial painting
Plain black/raw finish
Q5: What applications are suitable for A36 steel grating?
A: Common uses include walkways, platforms, stair treads, drainage covers, maintenance areas, and industrial flooring.
Q6: Is the grating anti-slip?
A: Yes. Serrated or anti-slip surfaces are available, and the open-grid design provides drainage, reducing slip hazards.
Q7: Can the grating be customized for special projects?
A: Absolutely. Size, bearing bar spacing, surface treatment, load capacity, and mesh pattern can all be customized.
Q8: What is the typical delivery time?
A: Standard lead time is 7–15 days depending on order quantity and customization requirements.
Q9: Do you provide sample pieces for inspection?
A: Yes, samples can be supplied upon request. Shipping cost may apply depending on destination.
Q10: How are products packed for shipment?
A: Standard export packaging with bundled steel straps, protective pallets, labels, and project identification coding.
Contact Details
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service
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