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