Steel Grating Bearing Bar Types
- Plain Flat Bar: Smooth surface bars for general walkways.
- Serrated Flat Bar: Toothed surface bars improve slip resistance.
- I-Shaped Bar: I-section bars reduce weight and maintain strength.
- T-Shaped Bar: T-section bars provide balanced load support.
- Rectangular Bar: Solid rectangular bars for heavy-duty applications.
- Hollow Bar: Lightweight hollow bars for reduced structural weight.
- Trapezoidal Bar: Angled bars improve drainage and load performance.
- Curved Bar: Custom curved bars for special structural designs.
- Anti-Slip Bar: Enhanced surface bars for safety applications.
- Stainless Steel Bar: Corrosion-resistant bars for harsh environments.
- Aluminum Bar: Lightweight bars for corrosion-resistant structures.
- Galvanized Steel Bar: Zinc-coated bars for outdoor protection.
Flat Bar Specifications:
- Material: Q235A carbon steel or stainless steel.
- Types: Plain flat bar, serrated anti-slip bar, and I-bar profiles.
- Common Sizes: 20×5, 25×5, 25×3, 32×5, 40×5, 40×3, 50×5, 65×5, 75×6, 100×8, 100×10 mm.
Cross Bar Specifications:
- Material: Q235A steel or SS304 stainless steel.
- Types: Round bar, twisted square bar, square bar, and hexagonal bar.
- Twisted Square Bar Sizes: 5×5, 6×6, and 8×8 mm.
Platform Steel Grating Specifications
- 30 mm Flat Bar Spacing: The most commonly used steel grating type for industrial applications.
- 40 mm Flat Bar Spacing: The most economical and lightweight steel grating option.
- 60 mm Flat Bar Spacing: Developed for mining applications with 50 mm cross bar spacing.
- Material Standard: Flat bars and cross bars are made from Q235 steel according to GB/T700.
- Flat Bar Material: Uses hot-rolled flat steel or slit hot/cold rolled steel strips.
- Flat Bar Tolerance: Dimensions meet YB/T4001.1-2007 standard requirements.
- Serrated Flat Bar: Made from hot-rolled or punched steel strips with minimum 5 teeth per 100 mm.
- I-Shaped Flat Bar: Available with different section sizes and moment of inertia specifications.
Platform Steel Grating Features
- Edge Banding: Can be welded with toe plates, checkered plates, and protective panels.
- Edge Frame Options: Available with flat bars, angle steel, channel steel, or square tubes.
- Installation Accessories: Handles and hinges can be installed for movable platforms.
Steel Grating Welding Standard:
Edge welding follows series 1, series 2, and series 3 standards.
Welding Spacing:
- Series 1: Every 5 bearing bars welded.
- Series 2: Every 4 bearing bars welded.
- Series 3: Every 3 bearing bars welded.
- Weld Size: Single-side fillet welds are ≥3 mm with 20 mm weld length.
Steel Grating Applications
- Industrial Platforms: Used for industrial flooring systems.
- Walkway Flooring: Provides safe access pathways.
- Trench Covers: Used for drainage channels.
- Stair Treads: Applied to industrial stairs.
- Bridge Walkways: Suitable for crossing structures.
- Drainage Covers: Supports water drainage systems.
- Manhole Covers: Used for utility access points.
- Petrochemical Plants: Applied in chemical facilities.
- Power Stations: Used in energy facilities.
- Water Treatment Plants: Suitable for treatment systems.
- Sewage Facilities: Used in wastewater projects.
- Municipal Projects: Applied in public infrastructure.
- Environmental Engineering: Used for engineering applications.
Products and Specifications

- Type: Circular steel grating checker plate cover
- Material: Mild steel or stainless steel
- Surface Type: Smooth anti-slip welded surface
- Edge Frame: Circular border frame
- Applications: Drain covers and platforms
- Custom Options: Diameter and load customization available

- Material: Galvanized carbon steel
- Surface Type: Anti-slip checker plate finish
- Grating Structure: Steel bar welded construction
- Plate Cover: Diamond pattern steel plate
- Load Capacity: Heavy industrial floor use
- Applications: Platforms and walkways

- Material: Galvanized steel or aluminum
- Surface Design: Combination plate and grating
- Bearing Bars: Load supporting flat bars
- Anti-Slip Surface: Checker plate protection layer
- Applications: Industrial platforms and stairs
- Installation: Bolted or welded fixing

Curved Steel Grating Panel 1500×3000mm Customized Shape For Circular Walkway Flooring Applications
- Type: Custom Curved Steel Grating Panels
- Material: Galvanized carbon steel
- Shape Type: Custom curved design
- Bearing Bars: Flat steel support bars
- Surface Finish: Hot dip galvanized coating
- Applications: Circular platforms and walkways

- Material: Steel or stainless steel
- Shape Design: Cut-to-size grating panels
- Manufacturing: Welding and precision cutting
- Applications: Platforms and access areas
- Installation: Fixed with clips
- Custom Options: Drawing-based fabrication available

- Thickness: 40 mm
- Bearing Bar: 30×5 mm
- Mesh: 30×100 mm
- Surface Treatment: Hot dip galvanized coating
- Structure: Welded flat bar grating
- Applications: Factories and platforms

- Thickness: 50 mm
- Bearing Bar: 40×5 mm
- Opening: 40×100 mm
- Bar Design: Heavy load bearing bars
- Structure: Welded steel grid panel
- Applications: Factories and industrial platforms

- Thickness: 30 mm
- Bearing Bar: 25×3 mm
- Opening: 30×100 mm
- Material: Mild steel or galvanized steel
- Bar Structure: Parallel flat bearing bars
- Applications: Walkways and platforms
- Installation: Grating clips fixing

- Bearing Bar: 25×5 mm
- Opening: 30×100 mm
- Surface Finish: Plain untreated surface
- Bearing Bars: Flat load bars
- Cross Bars: Twisted square bars
- Applications: Industrial floors and walkways

- Material: Q235 carbon steel
- Surface Treatment: Galvanized finish
- Structure: Welded flat bar design
- Load Support: Industrial platform flooring
- Applications: Walkways and bridges
- Installation: Bolted or welded fixing

- Material: Steel or stainless steel
- Manufacturing: Pressure welded assembly
- Bar Connection: Locked cross bars
- Surface Finish: Galvanized coating option
- Load Performance: Strong structural support
- Custom Options: Various bar sizes available

- Product Type: Reinforced steel grating
- Material: Heavy duty carbon steel
- Structure: Strengthened bearing bars
- Load Capacity: Heavy equipment support
- Applications: Industrial floors and platforms
- Custom Options: Load design available

- Material: SS304 or SS316 steel
- Corrosion Resistance: Suitable for harsh environments
- Surface Finish: Smooth stainless surface
- Structure: Welded bar construction
- Applications: Food, chemical, marine industries
- Custom Options: Size and material options

- Material: Carbon steel or stainless steel
- Bearing Bar: Flat steel bar construction
- Cross Bar: Welded or pressure locked
- Opening Size: Custom square openings
- Edge Frame: Steel flat bar edging
- Applications: Platforms, walkways, drainage covers

- Bearing Bar: 25×5 mm serrated flat bar
- Opening Size: 30×100 mm common spacing
- Material: Mild steel or galvanized steel
- Surface Type: Serrated anti-slip surface
- Edge Treatment: Flat bar edging
- Applications: Platforms, stairs, industrial floors

- Bearing Bar: Load bearing flat bars
- Opening Size: 30×100 mm
- Surface Treatment: Hot dip galvanized finish
- Frame Type: Steel support frame
- Design: Removable drainage cover
- Applications: Drainage channels, trenches, roads

- Bearing Bar: Serrated flat steel bars
- Opening Size: 30×100 mm
- Nosing Type: Checkered or flat nosing
- Surface: Anti-slip serrated design
- Load Capacity: Industrial stair applications
- Applications: Platforms, ladders, access stairs

- Material: Galvanized carbon steel
- Structure: Welded bar grating panel
- Surface Treatment: Hot dip galvanized
- Installation: Removable trench cover system
- Load Type: Pedestrian and vehicle loads
- Applications: Drainage channels, trenches, walkways