Press Welded Hot Dip Galvanized Steel Grating China Factory Suppliers

CSTAR is a leading China factory and suppliers of ISO9001 certified press welded hot dip galvanized steel grating. High load capacity, corrosion resistant, and custom sizes available. MOQ 100 PCS, delivery in 15-20 days. Get a professional quote today!

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Details

Detailed Parameters

Material Standard	ASTM A36, A1011, A569, Q235, S275JR, SS304/316	Surface Treatment	Hot-dipped Galvanized, Powder Coated, Painting
Bearing Bar Pitch	12.5, 15, 20, 25, 30, 40, 60, 80mm (Customizable)	Cross Bar Pitch	38.1, 50, 60, 76, 80, 100, 120mm
Flat Bar Thickness	3mm, 4mm, 5mm (Custom range 3-15mm)	Bearing Bar Width	20, 25, 30, 40, 45, 50, 55, 60mm
Grating Height	20mm to 500mm	Maximum Length	Up to 6000mm
Grating Style	Plain / Smooth, Serrated / Teeth, I-Bar	Quality Standard	ISO9001 Certified

Key Advantages

Superior Corrosion Resistance

Hot-dip galvanizing provides a thick zinc coating that shields the steel from rust and chemicals.

Extended Service Life

High-strength welding and premium materials ensure durability under heavy industrial loads.

High Load Capacity

Precision engineered to support heavy machinery and pedestrian traffic without deformation.

Optimal Ventilation

The open-grid design allows air and light to pass through, preventing dirt accumulation.

Anti-Slip Safety

Available in serrated top styles to provide maximum grip in hazardous or wet conditions.

Easy Installation

Standardized dimensions and lightweight design facilitate quick and efficient on-site setup.

Product Gallery

Management Platforms

Custom Fabrication

Tailored dimensions for bearing bars, crossbars, and specialized I-bar shapes to fit any project.

Material Sourcing

Access to Q235, S275JR, and Stainless Steel 304/316 for various chemical resistances.

Quality Control

Strict ISO9001 compliance ensures every panel meets global structural safety standards.

Coating Precision

Advanced hot-dip galvanizing and powder coating for long-term environmental protection.

Logistical Support

Efficient global shipping and packaging to prevent surface damage during transit.

Engineering Advice

Professional guidance on load calculations and spacing for optimal structural performance.

Investment Return Comparison

Feature	Hot Dip Galvanized Steel	Standard Mild Steel
Lifespan	20+ Years	5-10 Years
Maintenance Cost	Very Low	High (Frequent Painting)
Corrosion Resistance	Excellent	Poor
Installation Speed	Fast (Modular)	Moderate
Total Cost of Ownership	Low Long-term	High Long-term

Frequently Asked Questions

Q: What are the common applications for steel floor gratings?

They are primarily used for industrial platforms, ladder pedals, drainage covers, manhole covers, railway bridge walkways, and oil drilling platforms.

Q: What is the difference between plain and serrated steel grating?

Plain grating has a smooth surface, while serrated grating features a "toothed" surface to provide superior grip and prevent slipping in wet or oily conditions.

Q: Can you customize the spacing of the bearing bars?

Yes, we offer standard spacing (30, 40, 60mm) as well as non-standard custom spacing (25, 33, 35, 50mm) to meet specific load requirements.

Q: Why choose hot-dip galvanizing over powder coating?

Hot-dip galvanizing creates a metallurgical bond between zinc and steel, offering far superior corrosion protection and durability in outdoor or acidic environments.

Q: What material standards do you follow for metal structures?

We adhere to international standards including ASTM A36, A1011, A569, as well as Q235 and S275JR, and offer Stainless Steel 304/316 options.

Q: How do I determine the correct bearing bar thickness for my project?

Thickness depends on the expected load and span. We offer a range from 3mm to 15mm; our engineering team can help calculate the optimal thickness for your specific load.