What is Corten Steel Tree Grate?
Corten Tree Grate is a high-performance landscape product made from premium Corten Steel (weathering steel). Its surface naturally forms a dense protective patina, improving atmospheric corrosion resistance.
Compared with ordinary carbon steel, Corten steel provides 2–8 times higher weather resistance, over 20 years of outdoor service life under suitable conditions, and reduces the need for painting and maintenance.
Designed for urban streets, parks, plazas, and landscape projects, Corten Tree Grate provides reliable tree root protection and pedestrian safety.
With anti-slip design, expandable center openings, excellent durability, and a unique reddish-brown patina, it creates a functional and aesthetic solution for modern outdoor spaces.
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Specification of Weathering Steel Tree Grates
| Item | Specification |
|---|---|
| Product Name | Corten Steel Tree Grate |
| Material | Corten A / SPA-H Weathering Steel |
| Shape | Round / Square / Rectangular |
| Thickness | 3–12 mm (Custom Available) |
| Surface Finish | Natural Weathering / Pre-rusted / Accelerated Patina |
| Processing | Laser Cutting, Welding, Bending |
| Design | Standard Pattern or Custom Design |
| Application | Street Landscaping, Sidewalks, Parks, Plazas |
| Load Capacity | Pedestrian Load / Custom Load Requirement |
| Service Life | 20+ Years Outdoor Use (Environment Dependent) |
Why Choose Our Corten Tree Grate?
1. Custom Corten Tree Grates Design Support
We provide customized Corten Tree Grate solutions tailored to different urban landscape projects. From dimensions and shapes to laser-cut patterns and surface finishes, our team can create unique designs that meet both functional and aesthetic requirements.
Whether for city streets, parks, plazas, or commercial landscapes, we support round, square, and rectangular tree grate designs, as well as customized patterns such as leaves, geometric shapes, artistic elements, and project logos.
Our customized solutions transform tree grates from simple protective structures into distinctive elements of modern urban design.



2. Difference Weathering Steel Tree Grate Size & Specification Support
We provide flexible Corten Tree Grate size and specification options to meet the requirements of different urban landscaping and infrastructure projects. Our tree grates can be customized according to tree opening dimensions, panel sizes, steel thicknesses, and load-bearing requirements.
Whether for pedestrian areas, streetscapes, parks, or light vehicle access zones, we can supply suitable solutions with different thickness options and structural designs to ensure safety, durability, and long-term outdoor performance.
| Load Class | Typical Load Capacity | Application | Reference Standard |
|---|---|---|---|
| Pedestrian Load | ≥ 5 kN/m² | Sidewalks, parks, plazas, landscape walkways | EN 124 / ADA Guidelines |
| Heavy Pedestrian Load | ≥ 7.5 kN/m² | Commercial streets, shopping areas, high foot traffic zones | EN 124 Class A15 |
| Light Vehicle Load | ≥ 15 kN/m² | Occasional vehicle access areas, service roads, parking areas | EN 124 Class B125 |
| Medium Vehicle Load | ≥ 125 kN (wheel load) | Roads, driveways, areas with regular vehicle traffic | EN 124 Class C250 |
| Custom Heavy-Duty Load | Customized according to project requirements | Special urban infrastructure projects | Project-specific standards |



3. Weathering Steel Tree Grate Surface Finish Support
We offer multiple surface finish options for Corten Tree Grate to meet different landscape design requirements. Customers can choose from natural weathering finish, accelerated patina finish, and pre-rusted surface treatments to achieve different colors, textures, and visual effects.
The customized surface finishes allow Corten Tree Grate to seamlessly integrate with modern architecture, historic districts, urban streetscapes, and natural landscapes, creating a unique appearance while maintaining the excellent durability and corrosion resistance of weathering steel.



4. Structural & Installation Support
We provide comprehensive structural and installation solutions for Corten Tree Grate to ensure stable performance and efficient installation in various landscape projects.
Our solutions include steel support frames, fixing accessories, modular designs, and drainage-friendly structures to improve installation convenience and long-term durability.
With optimized structural design, Corten Tree Grate can be securely installed in urban streets, parks, plazas, and public spaces while ensuring proper load distribution, easy maintenance, and effective water drainage around tree roots.


From design and dimensions to load requirements and surface finishes, we provide complete customization support for urban streets, parks, and architectural landscapes.
Contact us today for a professional solution and quotation
Our factory
Our factory is equipped with advanced weathering steel processing facilities and a complete manufacturing system, specializing in the production of high-quality Corten Tree Grates for urban landscaping and architectural projects.
Our production capabilities include precision laser cutting, CNC cutting, bending, welding, surface treatment, and customized fabrication processes to meet different project requirements.
With professional processing equipment, including laser cutting machines, CNC bending machines, welding systems, and surface finishing facilities, we ensure precise dimensions, stable structures, and consistent product quality throughout the entire manufacturing process. Advanced inspection equipment is used to control material composition, dimensional accuracy, weld quality, and surface performance.
Supporting customized sizes, patterns, load requirements, and installation solutions, we provide one-stop Corten Tree Grate solutions for global customers.
Our products are widely used in urban streets, parks, plazas, commercial landscapes, and public spaces, combining long-term durability with modern landscape aesthetics.




Corten Steel Tree Grate Packaging
We provide customized export packaging solutions for Corten Steel Tree Grates to ensure safe transportation and delivery. Each tree grate is protected with anti-corrosion paper, moisture-resistant film, and protective padding to prevent scratches, deformation, and surface damage during handling.
According to product size and weight, we use reinforced steel frames or fumigated wooden pallets with steel straps for secure fixation. EPE foam, rubber separators, and edge protectors are applied between layers to prevent friction and impact damage.
For overseas shipments, waterproof wrapping, desiccants, and container reinforcement are available to protect products from humidity and harsh marine environments. All packages are labeled with lifting marks, moisture warnings, and traceable shipment information to ensure safe delivery worldwide.


FAQ
How do your corten landscape tree pit grates fulfill strict global ADA compliance guidelines?
Global disability acts dictate that open surface slots across accessible walking pathways must restrict gaps to a width under 8mm to 12mm to protect wheelchair users and walking canes. Our specialized heel-proof patterns utilize strict slot width tolerances below 8mm, completely neutralizing trip liability exposures for public municipal bids.
What are the main benefits of Corten Steel versus Ductile Iron for public plaza tree grates?
Corten Steel offers an architectural, ultra-modern slim aesthetic profile. Its chemical masterbatch forms a self-protecting rustic oxidation skin, providing incredible corrosion resistance without requiring future painting maintenance cycles.







