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Andy Simpson

I'm a long-term partner of this factory. I've been on a field trip.The factory is strong and the grating quality is very good. I cooperated with this grating supplier in 2017.What surprised me was that this factory was very strong,and it was also one of the top local grating factories.
David Zhang

My client told me that it was very smooth.The delivery speed is also very fast,I will receive the goods on the 7th day of the order.And the goods is inexpensive and convenient.
Ajay Parate

I have placed an oeder at this factory about FRP grating.The service is good and the grating is perfact.I'll come again.

Contact Person : Bella Zhang

Phone Number : 13831857763

Whatsapp : +8613831857763

Industrial steel grating adopts interlocking load and cross bars for high strength and stable performance.

Place of Origin	China
Brand Name	TT
Certification	ISO9001
Model Number	Customized as required
Minimum Order Quantity	10pcs
Price	USD 10-30/SET
Packaging Details	Pallets in containers or as per request
Delivery Time	5-8work days
Payment Terms	L/C, D/A, D/P, T/T, Western Union
Supply Ability	500sq.m per days

Product Details

Welded Way	Pressure Welded	Width And Length	According To Customer Requirement
Surfacetreatment	Galvanized, Painted, Or Plain	Surface Treatment	Hot Dipped Galvanized,galvanized
Type	Welded, Press-Locked, Or Swaged	Finish	Galvanized
Material	Carbon Steel, Stainless Steel, Or Alloy Steel	Transport Package	Steel Belt With Pallet
Highlight	industrial steel grating with interlocking load , high strength steel grating bars , stable performance industrial grating

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Product Description

Industrial steel grating adopts interlocking load and cross bars for high strength and stable performance.

The construction and industrial engineering industries have always upheld rigorous standards for structural materials, prioritizing superior durability, stable functionality and optimal economic efficiency. Steel grating is a well-established structural component manufactured through precise interlocking of load-bearing bars and cross bars. It serves as a core infrastructure element in modern engineering systems. Combining high structural strength, versatile multi-scenario adaptability and stable practicality, steel grating fits a wide range of industrial and municipal engineering projects. It delivers consistent, high-standard performance across diverse scenarios including factory safety walkways, urban road drainage facilities and heavy-duty offshore operating platforms, fully meeting the strict technical specifications of various engineering projects.

1. Product Specifications

Steel grating features a fully customizable structural specification system. Its design parameters can be optimally adjusted to accommodate differentiated technical requirements and complex operating conditions across various industrial and engineering scenarios:

Load-bearing Bar Specifications: Standard available sizes include 20×3mm, 25×3mm, 30×3mm, 32×5mm, 40×5mm and 50×5mm (thickness × width). Load-bearing bar spacing ranges from 20mm to 100mm. Among these options, 30mm and 40mm spacing serve as universal industry standards for conventional engineering applications.

Cross Bar Specifications: High-grade twisted square steel is the standard material for cross bars, offered in 6×6mm, 8×8mm and 10×10mm dimensions. Cross bar spacing is adjustable from 50mm to 200mm. The 100mm standard spacing is widely adopted for floor and platform structures, achieving an ideal balance between structural load capacity and economic efficiency.

Overall Sheet Size: Standard grating panels measure 1m to 1.2m in width and 2m to 6m in length for general engineering use. Non-standard customized dimensions are available based on project demands. Custom options include wide-format panels for large-scale platform construction and shortened panels for stair tread assembly and partial laying works.

2. Core Materials

Material selection directly determines steel grating’s structural performance, service lifespan and environmental adaptability. Three standardized high-performance materials are deployed in industrial production to meet the differentiated operational and environmental requirements of various engineering projects:

Carbon Steel: Fabricated from Q235 or Q355 grade carbon steel, carbon steel grating delivers stable mechanical performance and outstanding cost-effectiveness, making it the most widely used material across the industry. Surface anti-corrosion treatments such as hot-dip galvanization are mandatory to enhance environmental resistance and extend service life. It is primarily suitable for indoor, dry and low-humidity scenarios, including warehouse facilities, factory workshops and indoor operating platforms.

Stainless Steel: Stainless steel grating is available in 304, 316 and 316L grades with exceptional corrosion resistance. Grade 304 fits open-air environments and mild chemical exposure conditions. In comparison, 316 and 316L grades provide prominent resistance to seawater erosion, acid substances and corrosive reagents. These high-grade options are indispensable for marine facilities, food processing factories and chemical plants with harsh operating environments.

Aluminum Alloy: Aluminum alloy grating features an ultra-lightweight design, weighing roughly one-third of conventional carbon steel. It comes with inherent corrosion resistance and is specially engineered for load-sensitive precision projects. Typical applications include aerospace auxiliary facilities, urban pedestrian bridges and coastal structural engineering, where load reduction serves as a core design indicator.

3. Surface Finishes & Color Options

Surface treatment processes define steel grating’s protective performance and visual presentation. They enable integrated optimization of structural protection, environmental adaptability and architectural aesthetics to suit diverse application scenarios:

Hot-Dip Galvanized (HDG): As the dominant industrial surface treatment process, hot-dip galvanization forms a uniform silver-gray zinc coating with a minimum thickness of 85μm. The treated grating maintains long-term anti-corrosion performance, offering a 15 to 20-year service life in outdoor environments. It is widely deployed in industrial plants, bridge structures and municipal infrastructure projects.

Powder Coating: This treatment supports customized color options including red, blue, green, yellow and gray. The finished surface boasts excellent wear resistance and UV stability to resist aging and discoloration. It is ideal for commercial buildings, municipal landscape facilities and other scenarios requiring both reliable functionality and aesthetic appeal.

Paint Coating: This process enables flexible color matching for personalized design needs, though it offers inferior wear resistance and long-term durability compared to galvanization and powder coating. It is mainly applied to indoor low-abrasion scenarios that require unified environmental color coordination.

Natural Stainless Steel Finish: This finish preserves stainless steel’s original metallic silver texture without extra coating treatment. It delivers inherent corrosion resistance and a high-grade visual effect. It complies with modern minimalist architectural design standards and meets strict hygienic criteria for sterile, clean operating environments.

4. Wide Application Scenarios

Steel grating possesses superior mechanical properties and extensive environmental adaptability. It is widely adopted across multiple industrial sectors to meet diverse functional and structural requirements under various operating conditions:

Industrial Field: Steel grating is extensively used for factory operating platforms, anti-slip safety walkways, standard stair treads, multi-layer mezzanine structures, conveyor equipment supports and offshore oil rig platforms. It supports a maximum light vehicle load of 25 kN/m² and features a standardized anti-slip surface, ensuring operational and personnel safety in heavy-duty industrial environments.

Municipal & Infrastructure Engineering: It applies to bridge deck paving, urban road drainage grates, sidewalk anti-blocking facilities, subway passage structures and sewage treatment plant systems. Its open-grid structure enables efficient circulation of water, air and debris. This effectively prevents blockage and material accumulation while lowering long-term operation and maintenance costs.

Commercial & Civil Buildings: The product is installed in shopping mall atriums, underground garage floors, urban pedestrian bridges, building rooftop terraces and outdoor balcony flooring systems. It combines structural robustness with modern architectural aesthetics, achieving balanced optimization of practical functionality and decorative effects for civil and commercial construction projects.

Special Working Environments: Customized steel grating solutions cater to extreme and harsh operating scenarios. Typical options include galvanized and stainless steel grating for marine vessels and offshore wind platforms, food-grade 316 stainless steel grating for food processing facilities, high-corrosion-resistant grating for chemical plants, and serrated anti-slip grating for building fire escape passages.

5. Core Technical Parameters

All steel grating products are manufactured in strict accordance with international industrial standards. Standardized, verified core technical parameters ensure structural stability, operational safety and long-term reliability in actual engineering applications:

Load-Bearing Capacity: Structural load performance is assessed by maximum safe load (kN/m²) and bending strength (MPa). For standard reference, 30×5mm load-bearing bars with 30mm spacing support 5–10 kN/m² for pedestrian traffic. By contrast, 50×5mm load-bearing bars with 40mm spacing withstand 15–25 kN/m², fully meeting load standards for light vehicle passage.

Slip Resistance: Grating equipped with serrated load-bearing bars or raised anti-slip textures achieves a wet surface slip resistance coefficient of no less than 0.5. This fully complies with OSHA, EN 14411 and other authoritative international safety specifications for industrial workplaces.

Corrosion Resistance: A product’s corrosion resistance depends on its base material grade and surface treatment technology. Hot-dip galvanized carbon steel resists oxidative rusting under conventional conditions. 304 stainless steel withstands mild chemical corrosion, while 316 and 316L stainless steel deliver superior resistance to seawater erosion and strong corrosive chemical media.

Unit Weight: Finished product weight varies by material type. Carbon steel grating ranges from 20–50 kg/m², stainless steel grating from 25–60 kg/m², and aluminum alloy grating from 8–15 kg/m². Such diversity provides flexible options for transportation planning, on-site installation and overall structural load control.

Structural Integrity: Welded steel grating features firm welding joints with a shear strength of ≥3.6 kN, complying with European EN standards. Mechanically locked grating adopts a modular locking structure, enabling convenient disassembly, cost-effective transportation and sustainable cyclic reuse.

Steel grating maintains lasting market competitiveness and wide engineering recognition thanks to its integrated strengths of high structural strength, multi-scenario adaptability and excellent long-term cost performance. With customizable specifications, diversified material selections and standardized protective surface treatments, all products conform to global industrial technical standards and adapt to the evolving, rigorous demands of modern construction and engineering projects worldwide. Whether deployed in heavy-duty industrial platform construction or high-standard commercial space engineering, standard and customized steel grating serves as a reliable, field-verified structural solution that delivers stable long-term operational value and consistent premium performance.

|Frequently Asked Questions

Q: Are you trading company or manufacturer?

A: We are manufacturer.

Q: How long is your delivery time?

A: Generally 5-10 days for in-stock items, or 15-20 days for out-of-stock items depending on quantity.

Q: Do you provide samples? Is it free or extra?

A: Yes, we offer samples but customers must cover the cost and freight.

Q: What are your payment terms?

A: For orders ≤1000USD, 100% in advance. For orders ≥1000USD, 50% T/T in advance with balance before shipment.

For additional questions, please feel free to contact us.

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