Steel Grating Specifications | Complete Guide to Bearing Bars & Grating Styles

Steel grating represents a versatile and durable solution for industrial flooring, drainage systems, and safety applications. Manufactured through precision welding or pressure locking of bearing bars and cross bars, these structural components provide exceptional strength-to-weight ratios while ensuring optimal ventilation and drainage. Available in multiple material grades and surface treatments, steel grating serves diverse industrial, commercial, and municipal applications with reliable performance and long-term durability.

Comprehensive Product Specifications

Bearing Bar Specifications

Standard Metric Sizes

• Flat Bars: 25×3mm to 100×10mm

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

Imperial Standard Sizes

• 1"×3/16", 1-1/4"×3/16", 1-1/2"×3/16"

• 1"×1/4", 1-1/4"×1/4", 1-1/2"×1/4"

• 1"×1/8", 1-1/4"×1/8", 1-1/2"×1/8"

Technical Parameters

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

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

• Material Grades: Q235, ASTM A36, S275JR, SS304/400

• Surface Treatments: Hot-dipped galvanized, painted, powder coated

Manufacturing Excellence

Production Methods

Pressure Welding Technology

• 200-ton hydraulic resistance welding equipment

• Automated production for consistent quality

• Precision cutting and opening capabilities

• Custom fabrication to project specifications

Quality Materials

• Primary Materials: Carbon steel, stainless steel

• Cross Bar Options: Twisted square steel, round steel, flat steel

• International Standards Compliance

Key Features & Benefits

Structural Advantages

• High Strength-to-Weight Ratio: Optimal load capacity with minimal weight

• Superior Drainage: Open grid design ensures efficient water flow

• Excellent Ventilation: Allows air circulation and heat dissipation

• Slip Resistance: Serrated options available for enhanced safety

• Corrosion Resistance: Multiple surface treatment options

Customization Options

• Grating Styles: Plain, Serrated, I-Bar configurations

• Surface Finishes: Untreated, galvanized, painted, powder coated

• Size Adaptations: Custom dimensions and spacing available

• OEM/ODM Services: Tailored to specific project requirements

Applications & Industries

Primary Applications

• Industrial platforms and walkways

• Drainage trenches and gutter covers

• Stair treads and safety flooring

• Mechanical platforms and equipment areas

• Municipal infrastructure projects

• Marine and water treatment facilities

Quality Assurance & Standards

International Compliance

• China: YB/T 4001.1-2007

• USA: ANSI/NAAMM (MBG531-88)

• UK: BS4592-1987

• Australia: AS1657-1985

• Germany: DIN24537-1-2006

• Japan: JIS Standards

Packaging & Shipping

Secure Packaging Options

1. Bandage and Paperboard: Ideal for standard steel plates

2. Screw Locking Method: 4-screw rod system for high-strength 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

Why Choose Our Steel Grating?

Competitive Advantages

• Custom Manufacturing: OEM and ODM services available

• Quality Materials: Premium raw materials ensuring durability

• Technical Expertise: Professional engineering support

• Global Standards: Compliance with international specifications

• Reliable Performance: Proven track record in diverse applications

Contact us for detailed quotations and technical specifications - Our engineering team provides comprehensive support for steel grating applications, offering customized solutions that meet your specific project requirements and performance standards.