Corten Garden Closure Plate Distributor
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Corten Garden Closure
What is Corten Garden Closure Plate?
A Corten garden closure plate is a functional and decorative component used in landscape edging systems to close off or terminate the ends of Corten steel garden edging. These plates are made from Corten steel, also known as weathering steel, which naturally develops a protective rust-like patina that makes it corrosion-resistant and visually appealing.
Closure plates are essential for giving clean, professional finishes to metal borders in garden beds, pathways, lawns, or flower beds. Whether you’re working on a residential lawn, a commercial park, or a public landscape project, Corten garden closure plates offer durability, aesthetic continuity, and long-term performance.
At Shiv Shakti Steel & Metals, we are proud to be one of the leading distributors of Corten garden closure plates in India, offering standardized and custom-sized plates for every landscaping need.
Benefits of Corten Steel Garden Closure Plates
Corten steel is a self-weathering material, meaning it forms its protective layer of rust when exposed to the atmosphere. This makes it the perfect material for landscape elements like closure plates.
Rusted Finish with Natural Protection
No painting or coating is needed — the rust finish seals the plate and protects it from corrosion.Long-Lasting and Durable
Designed to withstand all Indian weather conditions including rain, heat, and humidity without degradation.Low Maintenance
Once the patina is formed, it requires no ongoing care or treatment, saving both time and money.Aesthetic Appeal
The rich, warm tones of oxidized steel add depth, texture, and a modern-industrial charm to garden spaces.Perfect Finish
Garden closure plates complete your Corten edging layout with clean ends, helping prevent soil spill, grass overgrowth, and movement of loose materials.Eco-Friendly
100% recyclable with no harmful chemicals, making it safe for both people and plants.Highly Customizable
Can be cut, curved, or fabricated to match the shape and height of any garden edging or planter.
Applications of Corten Closure Plates in Landscaping
Corten garden closure plates are used to seal or terminate the ends of metal garden edging systems. Their application ensures both form and function, especially in:
Garden bed borders
Pathway and walkway ends
Raised planter ends
Lawn dividers and retaining edges
Flower beds or herb patches
Tree rings with segmented steel edging
Rooftop landscaping
Specifications of Corten Garden Closure Plate
| Parameter | Specification Range |
|---|---|
| Material Grade | ASTM A588 / S355J2W Weathering Steel |
| Thickness | 2 mm – 6 mm |
| Height | 75 mm – 300 mm (to match edging profile) |
| Length | 75 mm – 500 mm (standard or custom) |
| Finish | Natural finish / Pre-oxidized patina |
| Installation | Can be bolted, welded, or interlocked |
| Optional Features | Pre-drilled holes, branded cutouts, notched tabs |
Mechanical Properties of Corten Garden Closure Plate
| Property | Value | Description |
|---|---|---|
| Yield Strength | ≥ 355 MPa | Resists permanent deformation under stress |
| Tensile Strength | 470 – 630 MPa | Maximum stress material can withstand before breaking |
| Elongation | ≥ 22% | Indicates flexibility and ductility of the material |
| Impact Resistance | ≥ 27 Joules at -20°C | Ensures toughness in cold weather conditions |
| Modulus of Elasticity | ~210 GPa | Measures stiffness of material under elastic deformation |
| Hardness (Brinell) | 130 – 180 HB | Surface hardness depending on finish and thickness |
Corten Garden Closure Plate – Chemical Composition
| Element | Composition (%) | Purpose |
|---|---|---|
| Carbon (C) | ≤ 0.13 | Provides strength while maintaining weldability |
| Manganese (Mn) | 0.45 – 1.50 | Improves hardness and toughness |
| Phosphorus (P) | ≤ 0.035 | Increases corrosion resistance |
| Sulfur (S) | ≤ 0.030 | Controlled for better ductility |
| Copper (Cu) | 0.25 – 0.55 | Key to weathering properties |
| Chromium (Cr) | 0.40 – 0.65 | Enhances resistance to oxidation |
| Nickel (Ni) | ≤ 0.75 | Improves corrosion and impact resistance |
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