Custom Galvanized Steel Grating for Industrial Platforms, Walkways and Drainage Trench Covers
Royal Steel Group offers custom galvanized steel grating for use in industrial platforms, walkways, stair treads, factory floors, drain lines, and trench covers. Made from premium quality carbon steel, our steel bar grating ensures high load capacity, precision, slip resistance and corrosion protection.
Our galvanized steel grating can be engineered to satisfy specific industrial or building applications with customized bearing bar sizes, panel sizes, spacing, surface treatment, banding, cut-outs, and fabrication.
| 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.
1.Professional Steel Grating Manufacturer: Experienced in supplying galvanized steel grating for industrial and infrastructure projects worldwide.
2.Custom Fabrication: Bearing bar size, spacing, panel dimensions, banding, cut-outs, and fixing details can be customized.
3.Engineering Support: Professional technical support for platforms, walkways, stair treads, and drainage trench covers.
4.Strict Quality Control: Material, dimensions, welding, flatness, and galvanizing quality are inspected before delivery.
5.Global Export Experience: Reliable documentation, logistics coordination, and third-party inspection support for overseas customers.
Steel grating panels are securely bundled with steel straps for safe loading and transportation. Protective packing can be added according to shipping requirements.
We support container and bulk shipping, with professional export documentation and logistics coordination for global customers.
Q: What steel is used for galvanized steel grating?
A: Common materials include Q235B and Q355B carbon structural steel. Stainless steel options such as SS304 and SS316 can also be supplied for specialized corrosion-resistant applications.
Q: What is galvanized steel grating used for?
A: It is widely used for industrial platforms, walkways, stair treads, factory floors, drainage trench covers, equipment platforms, and infrastructure projects.
Q: Can the steel grating be customized?
A: Yes. We can customize panel dimensions, bearing bar size, spacing, surface type, banding, cut-outs, and fixing details according to project requirements.
Q: What is the difference between plain and serrated grating?
A: Plain grating provides a standard walking surface, while serrated grating offers improved slip resistance, making it suitable for wet, oily, or outdoor environments.
Q: Can you manufacture drainage trench covers?
A: Yes. Galvanized steel grating can be customized as drainage trench covers and channel grates according to opening dimensions, load requirements, and installation conditions.
Contact Details
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service
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