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2.5mm Corten Steel Sheet
Buying Options
Corten steel sheet (also known as weathering steel) is instantly identifiable thanks to its rich, bright orange tones. Originally developed for building coal carriages in 1930s America, it is now one of the most stylish and durable metals on the market. Corten steel plate might look like it’s rusty, but thanks to clever manipulation in its processing, the outer oxidisation actually protects the steel from further corrosion, as well as making it look very good indeed.
The picture shows our natural/raw Corten sheet when first purchased and typically what it looks like after the weathering process, which takes between 3 months – 2 years after exposure to the elements.
If you are looking for weathered corten, check out www.buymetalonline.co.uk/product/weathered-corten
Additional Information
View our main Corten Steel Sheet page for all sheet thickness options.
The grey metal pictured shows our natural/raw Corten sheet when first purchased, whilst the orange-coloured metal shows how it typically looks like after the weathering process, which takes between 3-10 months of exposure to the elements.
If you want your Corten ready-weathered, check out our pre-weathered Corten steel.
What our customers say about us:
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Thickness | 1.5mm / 16SWG (0.059“), 2.0mm / 14 SWG (0.079“), 2.5mm / 14 SWG (0.098“), 3.0mm / 10 SWG (0.120“), 4.0mm / 8 SWG (0.160“), 5.0mm / 6 SWG (0.212“), 6.0mm / 4 SWG (0.236“) |
| Size | 400mm x 200mm – approx 16" x 8", 500mm x 500mm – approx 20" x 20", 600mm x 300mm – approx 24" x 12", 750mm x 750mm – approx 30" x 30", 900mm x 600mm – approx 36" x 24", 1000mm x 1000mm – approx 40" x 40", 1250mm x 1000mm – approx 50" x 40", 1250mm x 1250mm – approx 50" x 50", 1500mm x 1000mm – approx 60" x 40", 2000mm x 1000mm – approx 80" x 40", 2000mm x 1250mm – approx 80" x 50", 2500mm x 1250mm – approx 100" x 50" |
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Weathering Steel Sheet
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- Low maintenance
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Corten Steel Sheet
£21.94 – £515.63Price range: £21.94 through £515.63Weathered Corten
Corten steel is also known as weathering steel, or COR-TEN steel. It is specially formulated to provide the strength and stability of traditional steel with an attractive patina. A thin layer of oxide forms on the outside surface of the steel, giving it that attractive burnt orange colour of rust. This layer is thin and does not affect the material’s strength or longevity which is why it is so popular. In fact, that oxidised layer helps to protect the material from the elements and negates the need for finishing, which is why it was invented in the first place! Buy Metal Online sells top grade pre-weathered Corten steel sheet in various thicknesses and sizes. We can cut the sheet into custom size if required. Select the next size up from your required dimensions and request custom cutting on the order form. We will take care of the rest!How is Corten Steel Manufactured?
Corten steel is manufactured in a foundry, rolled into sheets and cut to size. It is then coated with a special oil mixture that helps create the oxidisation. The oil naturally dries and breaks down, turning to rust. This process can take anywhere between 3 to 10 months and will gradually deepen in colour and character.Benefits of Rusted Corten Steel
The advantage of buying weathered Corten steel is that you don’t need to wait for 3 - 10 months to enjoy the amazing colour and texture of Corten. This is especially relevant if you are planning on using Corten for interior decorating.Common Uses
Corten steel is a flexible architectural material that works exceptionally well in many situations. Prime examples of where Corten steel shines is in building facades, architectural installations, garden pieces, public monuments, sculptures or civil engineering projects. Many gardens feature Corten steel, it provides a rustic look that appears completely natural, fitting into a garden theme perfectly. Corten steel can be used as:- Coverings or facades for buildings.
- Roofs and decorative features.
- Garden ornaments or installations.
- Larger engineering projects.
Customer photos:
[masterslider id="5"]Weathered Corten Sheets
£72.71 – £1,446.47Price range: £72.71 through £1,446.47About 4mm corten steel
Corten steel is a type of high-strength, low alloy carbon steel that gains its characteristic orange-brown hue through a natural weathering process that develops over the course of 3-10 months. As the steel is exposed to the elements, it forms a protective oxidised layer that shields the underlying metal from further corrosion. This process not only gives Corten its distinct look but also makes it exceptionally weather-resistant. Weathering steel is made from a blend of nickel, copper, and chromium. These elements combine to form a stable patina, which protects the steel from rust and damage, even in challenging outdoor conditions. Unlike traditional steel, Corten steel doesn’t require painting, coatings, or treatments to maintain its resilience, making 4mm Corten steel sheets a popular low-maintenance option for various projects.Key properties of 4mm Corten steel sheets:
- Formability: Good
- Weldability: Good
- Machinability: Excellent
- Corrosion Resistance: Fair (improved by the patina)
Benefits of 4mm corten steel sheet
The 4mm Corten steel sheet offers a range of benefits that make it suitable for all sorts of projects:- Striking Appearance: The natural patina provides a unique look that adds character to any design.
- Weatherproof: The oxidised layer that develops helps to protect against further corrosion, making it ideal for outdoor use.
- Low Maintenance: Corten steel does not require sealing with paint or protective coatings, saving time and money on upkeep.
- Durability: This material is hard-wearing and has a longer lifespan than ordinary steel, making it a sustainable and economical choice.
- Versatile Applications: Suitable for a variety of domestic and commercial uses, including architectural projects, artistic designs, and garden features.
Popular uses for 4mm corten steel sheets
4mm Corten steel sheets are incredibly versatile and are commonly used for both decorative and structural applications:- Architectural Cladding: Ideal for creating eye-catching facades and cladding, offering a weather-resistant and visually appealing finish.
- Gardens: Perfect for planters, borders, and water features, blending seamlessly into natural settings with its rustic look.
- Art and Sculptures: Artists use Corten for its beautiful, weathered appearance that develops over time, making it perfect for outdoor art installations.
- Marine Transportation: Thanks to its resilience to the elements, Corten steel is often used in shipping containers and marine structures.
- Interior Design: Corten steel sheets add an industrial, contemporary touch to interiors, making the material great for feature walls, furniture, and decorative pieces.
- Structural Applications: Weathering steel is used in bridges and outdoor structures where strength and durability is essential.



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