Steel Grating Specifications | Complete Guide to Materials & Sizes

Steel grating represents a versatile structural material composed of bearing bars and cross bars arranged in precise grid patterns. Available in low carbon steel and stainless steel variants, these industrial grating systems provide exceptional strength, ventilation, and safety characteristics. Manufactured through both automated pressure welding and manual fabrication processes, steel grating offers customized solutions for diverse industrial, commercial, and infrastructure applications.

Technical Specifications

Materials & Construction

• Primary Materials: Low carbon steel, Stainless steel

• Bearing Bar Profiles: Flat steel, Serrated steel (enhanced slip resistance)

• Cross Bar Options: Twist steel, Flat steel, Round steel, Square steel

• Surface Treatments:

  • Hot-dipped galvanization (maximum corrosion protection)

  • Cold galvanization (cost-effective solution)

  • Painting (aesthetic customization)

  • Anti-rust oil (temporary protection)

Dimensional Specifications

• Bearing Bar Sizes: 25×3mm to 100×10mm

• I-Bar Specifications: 25×5×3mm, 30×5×3mm, 32×5×3mm, 40×5×3mm

• Bearing Bar Pitch: 12.5mm to 80mm (30mm, 40mm recommended)

• Cross Bar Pitch: 38mm to 120mm (50mm, 100mm standard)

Manufacturing Methods

Automated Pressure Welding

• High-voltage resistance pressure welding technology

• Hydraulic pressure ensures strong, stable weld joints

• Ideal for large-volume production orders

• Consistent quality and dimensional accuracy

Manual Welding Process

• Flexible fabrication for custom requirements

• Suitable for special designs and small batches

• Accommodates unique project specifications

• Perfect for prototype development

Key Features & Benefits

Performance Advantages

• Optimal Ventilation: Open grid design promotes air circulation

• Excellent Light Transmittance: Allows natural light penetration

• Superior Slip Resistance: Serrated options for hazardous areas

• Reinforced Load Bearing: Robust construction supports heavy weights

• Effective Cooling: Facilitates heat dissipation in high-temperature environments

• Explosion-Proof Design: Safe for volatile atmospheres

• Easy Installation: Pre-engineered for quick deployment

Applications

Industrial & Commercial Uses

• Steel structure platforms and stairways

• Industrial mezzanine flooring systems

• Safety handrails and protective barriers

• Railway platform surfaces

• High-altitude scaffolding systems

• Drainage gutter covers and well protection

• Factory workshop flooring

• Chemical plant access platforms

• Shipbuilding and marine applications

• Construction site safety flooring

Quality Assurance & Packaging

Secure Packaging Options

1. Bandage and Paperboard: Ideal for standard steel plates

2. Screw Locking Method: 4-screw rod system for maximum security

3. Steel Pallet: Traditional export packaging for international shipping

Payment Flexibility

• T/T Bank Transfer

• Letter of Credit (L/C)

• Western Union

• Credit Card Payments

• Alibaba Trade Assurance

Custom Manufacturing

• OEM & ODM Services: Custom specifications welcome

• Material Selection: Various steel grades and thicknesses

• Size Customization: Tailored to project requirements

• Surface Treatment: Multiple coating options available

• Technical Support: Professional engineering consultation

Industry Compliance

Our steel grating products meet international standards for quality and performance, ensuring reliable service in demanding environments. From material selection to final packaging, we maintain strict quality control protocols to deliver products that exceed customer expectations.

Contact us for steel grating solutions - Our technical team provides comprehensive support for your specific application requirements, offering customized products that combine quality manufacturing with competitive pricing and reliable service delivery.