Hot Dipped Galvanized Welded Steel Grating Supplier | Anti-Slip Industrial Bar Grating
Royal Steel Group’s hot dipped galvanized welded steel bar grating is produced from premium Q235 carbon steel, delivering reliable strength, durability and corrosion resistance.
Engineered for heavy-duty industrial environments, our grating is commonly applied on walkways, platforms, stair treads, trench covers, drainage and industrial floors. The solid welded structure plus serrated anti-slip surface ensures better load performance and site safety with extended service life for industrial & commercial projects.
Custom dimensions, bearing bar specs, surface treatment and packaging are available upon request.
| Item | Details |
| Product Name | Hot Dipped Galvanized Welded Steel Bar Grating |
| Material | Q235 Carbon Steel |
| Surface Treatment | Hot Dip Galvanized |
| Grating Type | Welded Steel Bar Grating |
| Surface Type | Serrated / Plain |
| Bearing Bar | Flat Steel Bar |
| Cross Bar | Twisted Square Bar / Round Bar |
| Application | Walkway, Platform, Stair Tread, Trench Cover, Industrial Flooring |
| Manufacturing | Welded Construction |
| Customization | Available |
| 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 | General Dimensions (mm) | Applications & Features |
| Bearing Bar (Height × Thickness) | Standard Type | 25×3, 30×3, 32×5 | Industrial goods walkways, stairs treads, maintenance platforms. |
| Heavy-Duty Type | 40×5, 50×5, 60×10 | Car parks, freight terminals, industrial halls with large spans. | |
| Mesh Size (Pitch Bar × Cross Bar) | Series 1 (30mm pitch) | 30 × 50 / 100 | Strongest; Most common, Complies with International Industrial Codes. |
| Series 2 (40mm pitch) | 40 × 50 / 100 | Cost effective; for light duty walk ways or fencing. | |
| Series 3 (60mm pitch) | 60 × 50 / 100 | Mining, large washing plants (discourages accumulation of debris). | |
| Material Grade (Q235) | Q235A | No need for an impact test | Indoor use, general structural components – inexpensive. |
| Q235B | 20°C Impact Test | Routine Pick: Good weldability and toughness for large projects. | |
| Surface Treatment | Hot-Dip Galvanized (HDG) | Zn coating ≥ 610g/m² | Long-lasting corrosion resistance (20+ years), and for the best outdoor/marine environment. |
| Black / Painted | No zinc coating | Venture projects, tight budget or dry indoor surroundings. | |
| Surface Profile | Plain / Serrated | Plain / Serrated (Antiskid) | Serrated: This type has also good anti-slip value on oil and ice. |
| Category | Key Parameters | Description |
| 1. Dimensions | Span (L) × Width (W) | Critical: The direction of bar must always be given (Span). |
| 2. Structure | Bearing Bar Size | Height × Thickness (e.g. 32×5mm 40×5mm). |
| Mesh Pitch | Bearing Bars Center to Center × Cross Bars Center to Center. | |
| 3. Material | Steel Grade | Q235B(Standard),Q355B(High Strength),SS304/316. |
| Surface Finish | Pre-Galvanized, which is galvanized (or zinc coating) before fabrication, or Post-Galvanized. | |
| 4. Configuration | Surface Profile | Plain (Plain) or Serrated (Anti-slip). |
| Special Cuts | Circular cuts, notches, or reliefs 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. |
Walkways
Our Metal Grating serves as practical walkway material for factories, warehouses, processing plants and logistics sites. The open‑style grid avoids buildup of water, dust and debris. It delivers safe footing and lowers regular maintenance workload.
Steel Stair Treads
Our grating‑based stair treads bring robust strength and lasting performance to commercial and industrial buildings. Serrated edges or anti‑slip surface treatments are available to improve friction, preventing slips in wet or high‑traffic working areas.
Working Platforms
Ideal for equipment platforms, maintenance decks and production sections, this grating offers stable load‑bearing capability with good airflow and water permeability. Its grid construction eases routine inspection and cleaning jobs.
Drainage and Trench Covers
Our Heavy Duty Steel Grating fits drainage ditches, trench covers and wastewater facilities. The mesh structure lets rainwater, oil and liquids pass through smoothly. It maintains good drainage efficiency and prevents standing water in industrial and outdoor zones.
Royal Steel Group supplies Hot Dip Galvanized Steel Grating for industrial, energy, mining and infrastructure projects around the world. Clients from the Middle East, North America and South America rely on our grating products for their high strength, long durability and consistent anti-slip performance.
To support overseas customers efficiently, we run local service teams in the US and Guatemala to handle timely communications and project coordination. With eight strategically placed warehouses and a stable supply network, we cut delivery lead times and secure sufficient inventory for regular orders and big project requirements alike.
Packing
Export Packaging
Steel Bar Grating panels are securely bundled with steel straps to maintain stability during transportation and minimize the risk of damage or distortion.
Identification & Marking
The bundles can be labeled with the products specifications, size, grade of the material and project reference; this stream line the site installation and warehouse management.
Optional Packing Solutions
Extra packing solutions, wooden pallets, waterproof packing and surface protection material can be provided for export shipment or special project handling.
Delivery
Production Time
Normal production of Size specification capacity is 7 to 15 days upon order confirmation depending on order quantity, specs and so on.
Shipping Methods
There are a variety of means of transportation, including container shipping, bulk cargo, road transport, as well as project logistics solutions.
Safety in Transportation
All of our products are packaged in a manner that allows for safe loading/unloading and handling, which means you can rest assured knowing that your material will arrive on site in the best possible condition and will be ready to be installed.
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
