Hardware & tools

Industrial Steel Grating and Bar Grating Suppliers from China Factory

Premium steel grating and bar grating from a leading China factory. High-strength, corrosion-resistant and anti-slip solutions for industrial platforms and municipal engineering. Trusted suppliers offering customizable sizes and hot-dip galvanizing. FOB Price: US $0.5 - 9,999 / Piece.

About this product

Product information from the supplier.

Our industrial-grade Steel Grating and Bar Grating solutions are engineered for maximum durability and safety, serving as the ideal choice for trench covers, foot plates, and heavy-duty walkways. Manufactured from premium carbon steel and stainless steel, these gratings are designed to withstand extreme industrial environments while providing critical functionality such as ventilation, lighting transmission, and heat dissipation.

To ensure long-term resistance against oxidation and corrosion, our steel gratings undergo rigorous surface treatments, including hot-dip galvanizing. With a versatility that spans across petrochemical plants, power stations, municipal engineering, and shipbuilding, our gratings combine structural integrity with a non-slip surface to ensure operational safety in the most demanding settings.

Detailed Parameters

Bearing Bar20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm Bearing Bar Pitch25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm
Cross Bar5x5, 6x6, 8x8mm (Twisted or Round bar) Cross Bar Pitch40, 50, 60, 65, 76, 100, 101.6, 120, 130mm
Surface TreatmentHot-dip Galvanized, Cold-dip Galvanized, Powder Coated, Painted, Black Flat Bar TypePlain, Serrated (tooth-like), I-bar (I section)
Material StandardASTM A36, A1011, A569, S275JR, SS304, SS400, UK 43A International StandardsYB/T4001-1998 (CN), ANSI/NAAMM (USA), BS4592 (UK), AS1657 (AU), JJS (JP)
Material GradesLow Carbon Steel, Stainless Steel (304, 201, 316, 316L, 310, 310S), Aluminum Finish OptionsAnodized, Pickling, Electrochemical Polishing, Chrome Plating

Key Advantages

Superior Strength

Engineered for high bearing capacity, supporting everything from light pedestrian traffic to heavy vehicular loads.

Long-term Durability

Hot-dip galvanizing prevents oxidation, ensuring a long service life even in highly corrosive environments.

Anti-Skid Safety

Available in serrated tooth-like finishes to provide maximum grip and prevent slips in wet or oily conditions.

Optimal Ventilation

Open grid design allows for excellent airflow, light transmission, and efficient heat dissipation.

Modern Aesthetics

Sleek, professional appearance suitable for both industrial utility and modern architectural decoration.

Easy Installation

Lightweight yet strong design allows for quick assembly and easy cleaning of the surrounding area.

Product Gallery

Management Platforms

Material Selection

Choose between Low Carbon Steel, Stainless Steel, or Aluminum based on your load and corrosion needs.

Custom Dimensions

Tailor bearing bar pitch and cross bar spacing to meet specific structural requirements.

Surface Coating

Select from Hot-dip galvanizing, powder coating, or polishing for environment-specific protection.

Standard Compliance

Full adherence to global standards including ANSI, BS, AS, and JJS for international project safety.

Load Management

Optimized design for different traffic levels, from light pedestrian paths to heavy vehicle zones.

Application Fit

Specialized configurations for sewage treatment, petrochemical plants, and municipal engineering.

Investment Return Comparison

Material TypeInitial CostService Life / ROI
Carbon Steel (Galvanized)EconomicalHigh - Excellent for general industrial use
Stainless SteelPremiumVery High - Lifetime value in corrosive areas
Aluminum SteelModerateHigh - Lightweight with zero rust risk
Painted SteelLowestModerate - Requires periodic maintenance
Serrated GratingSlightly HigherSuperior - Reduces workplace accident costs

Frequently Asked Questions

Q: Which material is best for highly corrosive chemical environments?

For highly corrosive environments, we recommend Stainless Steel (316 or 316L) or Aluminum gratings, as they provide superior resistance to chemical oxidation compared to carbon steel.

Q: What is the difference between plain and serrated flat bars?

Plain bars are smooth and suitable for dry areas. Serrated bars have a tooth-like profile that provides significantly higher traction, making them essential for oily, wet, or icy walkways.

Q: Can these gratings be customized to specific dimensions?

Yes, we offer full customization. You can specify the bearing bar size, pitch, cross bar spacing, and overall dimensions to fit your exact project requirements.

Q: Which international standards do your steel gratings meet?

Our products are manufactured according to global standards, including ANSI/NAAMM (USA), BS4592 (UK), AS1657 (Australia), and JJS (Japan), ensuring quality and safety worldwide.

Q: What is the benefit of hot-dip galvanizing for steel gratings?

Hot-dip galvanizing creates a thick, durable zinc coating that bonds to the steel, providing an exceptional barrier against rust and oxidation, drastically extending the product's lifespan.

Q: Where are these steel gratings typically applied?

They are widely used in petrochemical plants, power stations, water treatment facilities, port terminals, shipbuilding, municipal engineering, and architectural decoration.

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