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Galvanized Steel Grating

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General Introduction to Galvanized Steel Grating

Galvanized Steel Grating is a strong, durable, and cost-effective flooring and covering solution made from mild steel bearing bars and cross bars welded or press-locked into a grid structure. After fabrication, the surface is treated by hot-dip galvanizing or electro-galvanizing, forming a protective zinc coating that provides excellent corrosion resistance and extends the service life even in harsh industrial or outdoor environments.

With high load-bearing capacity, slip resistance, and easy installation, galvanized steel grating is widely applied in industrial platforms, walkways, trench covers, drainage systems, stair treads, and municipal construction projects. Its combination of safety, strength, and cost-efficiency makes it a preferred choice in both new constructions and renovation works.

Types And Specification of Galvanized Steel Grating

Types of Galvanized Steel Grating


Hot-Dip Galvanized Steel Grating

Immersed in molten zinc, forming a thick and firmly bonded zinc-iron alloy layer. This provides superior anti-corrosion performance, strong adhesion, and long service life. Commonly used in chemical plants, power stations, water treatment facilities, and outdoor projects.

Galvanized Steel Grating

Press-Locked Galvanized Steel Grating
Manufactured by press-locking cross bars into bearing bars without welding. It features p

recise spacing, a clean appearance, high strength, and light weight. Suitable for architectural applications, pedestrian walkways, shipyards, and mechanical platforms.

Galvanized Steel Grating

Welded Galvanized Steel Grating
Produced by welding flat bars or I-bars with cross rods, then galvanized. Known for high load-bearing capacity and wide applicability in construction, petrochemical, sewage treatment, and food processing industries.

Galvanized Steel Grating

The specification for galvanized steel grating



SpecificationDescription
MaterialGalvanized carbon steel
Manufacturing ProcessWelded, swage-locked, or press-locked
Surface TreatmentHot-dip galvanized
Surface TypeStandard plain surface, serrated surface
Cross Bar SpacingCustomizable, typically 2" or 4", center to center
Bearing Bar SpacingCustomizable, typically 15/16" or 1-3/16", center to center
Bearing Bar HeightCustomizable, typically 20mm to 60mm
Bearing Bar ThicknessCustomizable, typically 2mm to 5mm
Cross Bar SizeCustomizable, typically 4mm to 10mm diameter
Slip ResistanceSerrated or plain surface, depending on the application
Installation MethodWelding, clips, or bolts and nuts, depending on the application
ComplianceMeets industry standards and applicable building codes, including ASTM, ISO, and ANSI/NAAMM


Galvanized steel grating types


Galvanized Steel Grating

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Key Advantages Of Galvanized Steel Grating

Galvanized steel grating offers outstanding durability, strength, and adaptability, making it suitable for a wide range of industrial and commercial uses. For projects that demand a reliable and long-lasting material, Hengchen Grating provides galvanized steel gratings engineered to deliver safety and performance. It is a trusted solution you can depend on.Corrosion Resistance: Hot-dip galvanized surface ensures long-lasting protection against oxidation and harsh weather.

High Strength & Load-Bearing: Rigid grid structure supports heavy traffic, machinery, and vehicles.

Slip Resistance: Optional serrated surface provides superior traction in wet or oily environments.

Lightweight & Easy to Install: Modular design reduces handling and installation costs.

Low Maintenance: Zinc coating prevents rusting, reducing long-term upkeep.

Safety & Security: Anti-theft designs available for trench covers and public facilities.

Galvanized Steel Grating

Application

Hot-dip galvanized steel grating is widely used across a broad range of industries and infrastructure projects due to its strength, durability, and anti-corrosion properties. Typical applications include:

Industries:
Petroleum & petrochemical plants, power stations, water supply systems, wastewater treatment facilities, shipbuilding, and sanitation engineering.

Infrastructure & Construction:
Ports and docks, municipal projects, self-propelled parking garages, and architectural decoration.

Usage Scenarios:
Platforms, walkways, bridges, trench covers, manhole covers, ladders, fencing, and more.


Galvanized Steel Grating


Hengchen's Inspection of Zinc Coating

Manufacturing Process

Surface Pre-Treatment – Rust, oil, and scale are removed by shot blasting or acid cleaning.

Pickling – Oxide layers are dissolved using hydrochloric acid for a clean metal surface.

Fluxing – Zinc chloride solution ensures better adhesion and corrosion protection.

Hot-Dip Galvanizing – Gratings are immersed in molten zinc to form a durable zinc-iron alloy layer.

Cooling – Solidifies the protective coating, available in air-cooled or water-cooled methods.

Passivation (Optional) – Provides additional resistance to surface oxidation.

Packaging – Carefully wrapped with plastic film and secured in crates to ensure protection during transport.


Manufacturing Process

Package and Ship

For secure transportation, we offer the following packaging options:

Strap Packing: Ideal for small-sized press-locked grating.

Pallet Packing: Suitable for large orders and container loading.

Screw Rod Fixation: Secures the grating in place for safe transit.

Our products are carefully inspected and packaged to meet international shipping standards.

steel grating

steel grating

steel grating

steel grating

steel grating

Why Choose Hebei Hengchen Technology Co., Ltd.?

Hebei Hengchen Technology Co., Ltd. has over 10 years of experience in the production of high-quality steel grating. We are dedicated to delivering top-tier products tailored to meet the specific needs of our global clients.

Why Choose Hebei Hengchen Technology Co., Ltd.?

Quality Assurance

Over a decade of industry expertise and innovation in manufacturing steel grating.

Fast Delivery

Daily Production Of 8,000 Square Meters, Fast Delivery From Powerful Manufacturers

Experience & Expertise

We Use Advanced Technology And Premium Materials To Ensure Consistent Product Quality.

Customization

We Offer Tailor-Made Solutions Based On Your Unique Project Requirements, Including Customized Sizes And Finishes.

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