Custom Galvanized Steel Grating for Industrial Platforms, Walkways and Drainage Trench Covers
| Product Name | Steel Grating |
| Material | Carbon Structural Steel |
| Standard | GB Standard, ASTM Standard, EN Standard |
| Dimensions | Standard Width: 600–1500 mm |
| Standard Height/Thickness: 25–50 mm | |
| Grating Spacing: 30–100 mm | |
| Customization | Custom Size & Spacing Available |
| Tolerance | Length: ±2 mm |
| Width: ±2 mm | |
| Thickness: ±1 mm | |
| Quality Inspection | Chemical composition test (Spectrometer) |
| Mechanical property test (Tensile, Hardness) | |
| Flatness inspection | |
| Weld strength test | |
| Surface Treatment | Hot-dip galvanization (HDG) |
| Electro-galvanization | |
| Powder coating / Spray painting | |
| 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 |
| Category | Key Parameters / Types | Common Specifications (mm) | Applications & Characteristics |
| Bearing Bar (Height × Thickness) | Standard Type | 25×3, 30×3, 32×5 | Industrial walkways, stair treads, maintenance platforms. |
| Heavy-Duty Type | 40×5, 50×5, 60×10 | Parking lots, cargo terminals, large-span industrial areas. | |
| Mesh Size (Pitch Bar × Cross Bar) | Series 1 (30mm pitch) | 30 × 50 / 100 | Most common; highest strength, complies with international industrial codes. |
| Series 2 (40mm pitch) | 40 × 50 / 100 | Economical; suitable for light-load walkways or fencing. | |
| Series 3 (60mm pitch) | 60 × 50 / 100 | Mining, large washing plants (prevents debris accumulation). | |
| Material Grade (Q235) | Q235A | No impact test required | Indoor use, general structural components; cost-effective. |
| Q235B | 20°C Impact Test | Standard choice; better weldability and toughness for major projects. | |
| Surface Treatment | Hot-Dip Galvanized (HDG) | Zinc coating ≥ 610g/m² | Superior corrosion resistance (20+ years); best for outdoor/marine environments. |
| Black / Painted | No zinc coating | Temporary projects, low budget, or dry indoor environments. | |
| Surface Profile | Plain / Serrated | Plain / Serrated (Anti-slip) | Serrated type provides excellent anti-slip properties in oily or icy conditions. |
| Category | Key Parameters | Description |
| 1. Dimensions | Span (L) × Width (W) | Critical: Always specify the direction of the bearing bars (Span). |
| 2. Structure | Bearing Bar Size | Height × Thickness (e.g., 32×5mm, 40×5mm). |
| Mesh Pitch | Center-to-center distance of Bearing Bars × Cross Bars. | |
| 3. Material | Steel Grade | Q235B (Standard), Q355B (High Strength), SS304/316. |
| Surface Finish | Hot-Dip Galvanized (HDG), Painted, or Mill Finish. | |
| 4. Configuration | Surface Profile | Plain (Smooth) or Serrated (Anti-slip). |
| Special Cuts | Circular cuts, notches, or cut-outs for pipe penetrations. | |
| 5. Edging | Banding & Safety | End-banding, Toe Boards (Kick plates), or Nosing for stairs. |
| 6. Accessories | Fixing Clips | Saddle clips, G-clips, or Grating fasteners. |
1. Walkways
Steel gratings is widely used for industrial walkways in factories, warehouses, processing plants, and logistics facilities. Its open structure helps prevent water, dust, and debris accumulation, providing a secure walking surface while reducing maintenance requirements.
2. Steel Stair Treads
Steel grating stair treads offer excellent strength and long-term durability for industrial and commercial buildings. Serrated surfaces or anti-slip treatments can be supplied to improve traction and enhance worker safety in wet or high-traffic environments.
3. Working Platforms
Commonly installed on equipment platforms, maintenance decks, and production areas, steel grating provides reliable load-bearing performance while allowing light, air, and water to pass through. The open-grid design also makes inspection and cleaning more convenient.
4. Drainage and Trench Covers
Steel grating is an effective solution for drainage channels, trench covers, and wastewater systems. Its open mesh design allows rainwater, oils, and other liquids to flow freely, helping maintain efficient drainage and reducing the risk of standing water in industrial and outdoor areas.
Royal Steel Group supplies steel grating products for industrial, energy, mining, and infrastructure projects across global markets. From industrial facilities in the Middle East to construction projects throughout North and South America, our grating solutions are trusted for their strength, durability, and dependable anti-slip performance.
To better serve international customers, we maintain local support teams in the United States and Guatemala, providing responsive communication and project coordination. Supported by eight strategically located warehouses and a stable supply network, we help customers reduce delivery times and ensure reliable material availability for both standard and large-scale projects.
Packing
Export Packaging
Steel grating panels are securely bundled with steel straps to maintain stability during transportation and minimize the risk of damage or distortion.
Identification & Marking
Bundles can be marked with product specifications, dimensions, material grades, and project references, making inventory management and site installation more efficient.
Optional Packaging Solutions
Additional packaging options, including wooden pallets, waterproof wrapping, and surface protection materials, are available for export shipments or projects with special handling requirements.
Delivery
Production Time
Standard production is generally completed within 7–15 days after order confirmation, depending on quantity, specifications, and fabrication requirements.
Shipping Methods
Multiple transportation options are available, including container shipment, bulk cargo, truck delivery, and project-based logistics arrangements.
Transportation Safety
All products are packaged to facilitate safe loading, unloading, and handling, helping ensure materials arrive on site in good condition and ready for installation.
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.
1. What are the main advantages?
It boasts high load-bearing capacity, excellent corrosion resistance, long service life, and a reasonable price, making it the best choice for industrial and heavy-duty applications.
2. Does it meet US or international standards?
Yes. It can be manufactured according to OSHA safety regulations, ANSI/NAAMM specifications, ASTM A36 (steel) standards, and ASTM A123 (galvanized) standards.
3. What are the standard applications?
Widely used in industrial platforms, walkways and trench covers, oil and gas plants, power plants, and shops.
4. Can sizes and specifications be customized?
Yes. We can customize load-bearing bar sizes, spacing, panel sizes, thicknesses, and serrated (anti-slip) surface options according to specific project requirements.
5. How long is the service life?
With proper galvanizing, the service life can exceed 20 years under normal outdoor conditions, but its service life is greatly affected by climate and exposure conditions.
Contact Details
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service
