Hot Dip Galvanized Welded Steel Grating for Industrial Platforms & Walkways | Custom Manufacturer
| Item | Details |
| Product Name | Hot Dip Galvanized Welded Steel Grating |
| Manufacturing Process | Welded Steel Bar Grating |
| Surface Treatment | Hot Dip Galvanized (HDG), Painted, Untreated |
| Material | Carbon Steel (Q235/Q355, ASTM A36, S235JR) |
| Standard | ASTM A123, EN ISO 1461, YB/T 4001 |
| Bearing Bar Type | Flat Bar, I-Bar, Serrated Bar |
| Cross Bar Type | Twisted Bar, Round Bar |
| Application | Platforms, Walkways, Stair Treads, Industrial Flooring |
| 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 |
| Bearing Bar Size | Bearing Bar Spacing | Cross Bar Spacing | Standard Panel Size |
| 25×3 mm | 30 mm | 100 mm | 1000×3000 mm |
| 25×5 mm | 30 mm | 100 mm | 1000×4000 mm |
| 30×3 mm | 30 mm | 100 mm | 1000×3000 mm |
| 30×5 mm | 40 mm | 100 mm | 1000×4000 mm |
| 32×5 mm | 40 mm | 100 mm | 1220×3660 mm |
| 40×5 mm | 40 mm | 100 mm | 1000×4000 mm |
| 50×5 mm | 50 mm | 100 mm | 1000×6000 mm |
Common Steel Grating Dimensions
Width: 500 mm, 600 mm, 800 mm, 1000 mm, 1200 mm
Length: 1000 mm, 2000 mm, 3000 mm, 4000 mm, 6000 mm
Branch Height: 20 mm, 25 mm, 30 mm, 40 mm, 50 mm
Branch Thickness: 3 mm, 5 mm
Below are all key technical details you need to confirm before ordering steel gratings, covering size, structure, raw material, custom processing, safety edge fittings and installation hardware:
Overall Size
We require the finished length (span) and width of each grating panel. You must clearly mark the span direction, which runs parallel to the load-bearing bars.
Structural Standards
Bearing bar size: Stated as bar height × thickness, typical options are 32×5mm and 40×5mm.
Mesh spacing: The gap measured from center to center for bearing bars and cross rods separately.
Material & Surface Finishes
Steel material: Regular Q235B carbon steel, high-strength Q355B, or SS304/316 stainless steel for corrosive working environments.
Galvanizing options: Zinc coating can be applied either on raw steel before cutting, or full hot-dip galvanizing after the whole grating is welded.
Custom Panel Processing
Surface style: Choose flat smooth panels or serrated anti-slip grating to prevent slipping on walkways.
Custom cutouts: We can punch round holes, edge notches and reserved grooves to route pipes through the panels.
Edge & Safety Components
Additional safety accessories include full end banding, platform kick plates, and anti-slip nosing strips for stair tread gratings.
Installation Fasteners
Matching mounting hardware is available, including saddle clips, G-clips and special fasteners to lock gratings firmly onto supporting frames.
1. Industrial Walkways: Hot Dip Galvanized Grating is an ideal flooring material for both warehouse and factory walkways. Its open mesh design prevents water and dirt buildup, provides a safe foothold, and reduces maintenance.
2. Steel Stair Tread Grating: Our grating stair treads are robust and durable, suitable for industrial/commercial buildings. The serrated anti-slip design prevents slipping in wet and high-traffic areas.
3. Work and Maintenance Platforms: Steel Grating provides stable load-bearing capacity for platforms suitable for work platforms on factory equipment. Its open texture allows light, air, and liquids to pass through, facilitating inspection and cleaning.
4. Drainage and Drain Covers: Hot-dip galvanized Metal Grating is ideal for drainage ditches and wastewater systems. Its mesh structure allows rainwater and oil to drip off quickly, preventing water accumulation both inside and outside.
Royal Steel Group manufactures hot-dip galvanized steel Floor Grating for industrial, energy, mining and infrastructure projects worldwide. Clients from Middle Eastern factories to American construction sites rely on our gratings for solid load capacity, long service life and reliable anti-slip properties.
We have local service teams in the US and Guatemala to deliver timely communication and full project coordination for overseas buyers. With eight well-positioned warehouses and a steady supply chain, we shorten lead times and guarantee steady stock, whether clients order standard panels or bulk project supplies.
Packaging
Export Packaging
Steel grating panels are tightly bundled with steel straps. We use steel straps to tightly bind the steel grating panels to ensure stability during transportation and prevent bending or collision.
Labels and Marking
Each bundle is clearly labeled with product specifications, dimensions, steel grade, and project code for easy on-site assembly and warehouse inventory management.
Additional Packaging Options
Our workshop offers additional packaging options: wooden pallets, waterproof membranes, and surface protective films, suitable for overseas shipping or special project requirements.
Delivery
Delivery Time
The standard production cycle is 7-15 working days after order details confirmation. The specific time will be adjusted according to order quantity and customized specifications.
Shipping Methods
We offer various shipping methods, including container shipping, bulk sea freight, land transportation, and dedicated logistics services for large-scale engineering projects.
Shipping Safety
All products are batch-packaged for easy and safe loading and unloading. Customers will receive products that are in perfect condition and ready for immediate installation.
1. What are the main advantages of steel bar grating?
It boasts high load-bearing capacity, excellent corrosion resistance, long service life, and reasonable price, making it the optimal choice for industrial and heavy-duty applications.
2. Does it comply with 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 workshops.
4. Can sizes and specifications be customized?
Yes. We can customize the load-bearing bar size, spacing, panel size, thickness, 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 lifespan is greatly affected by climate and exposure conditions.












