Corten steel cladding refers to the practice of covering exterior surfaces with Corten steel, a high-performance weathering steel alloy specifically engineered to form a protective, rust-like layer on its surface when exposed to natural atmospheric conditions.
This naturally developing patina not only delivers a visually striking, evolving finish but also provides robust corrosion resistance, preventing atmospheric rusting that typically affects standard carbon steel.
The patina can achieve a protective thickness of approximately 0.1–0.3 mm over the first 6–12 months of exposure, effectively shielding the underlying steel.
Corten cladding is particularly suitable for structures exposed to extreme weather conditions, including high rainfall, snow, or coastal salt-laden air, and for installations where ongoing maintenance is difficult. It demonstrates excellent long-term durability, often exceeding 50 years with minimal upkeep.
These qualities make Corten steel a preferred choice for architectural facades, bridges, monuments, and landmark building projects, combining both structural resilience and a distinctive, time-evolving aesthetic.
Benefits of Corten Steel Cladding
Choosing our Corten steel cladding for your project offers numerous advantages
Exceptional Durability: Corten steel is incredibly strong and shows optimal performance for a long time, resisting weather and wear.
Low Maintenance: The protective rust layer means Corten material needs less maintenance, saving costs and effort over the building's lifespan.
Distinctive Aesthetic Appeal: Corten metal cladding provides a unique, warm, and natural rusted look that evolves over time, adding character to any structure.
Versatility: Our corten steel panels are versatile and can be used in diverse architectural projects, from large-scale steel facades to intricate corten steel jali designs.
Cost-Effective & Environmentally Friendly: While the initial investment might be higher, the longevity and low maintenance make core 10 steel cladding material cost-effective in the long run. It is also 100% recyclable.
Is Weathering Steel Cladding Expensive
Weathering steel cladding material can be approximately three times more expensive than ordinary mild steel. Thus, the upfront cost of purchase and installation for corten steel cladding is quite high.
However, its significant advantage lies in its minimal maintenance requirements and high durability. These factors contribute to a lower overall corten steel cladding price over the lifespan of the structure, making it a sound long-term investment.
Corten Steel Cladding Specifications
| Feature | Specification |
|---|---|
| Thickness | 2 to 4 mm (customizable) |
| Finishing | Powder Coated (optional), Natural Rusted |
| Install Type | Manual, Mechanical Fixing |
| Technique | Hot Rolled |
| Color | Rusty (develops over time) |
| Application | For facade elevation, metal wall cladding, architectural features |
Available Sizes of Rusted Steel Cladding
| Stock sheet | Coiled Sheet (MOQ 130 sq. m) | ||
|---|---|---|---|
| – | – | 1m x 8m | 1m x 8m |
| 1.5mm | 2mm | 1.5 and 2mm | 4, 6, 8 and 10mm |
| – | – | 1.25m x 8m | 1.25m x 8m |
| 1.25m x 2.5m | 1.25 x 2.5m | 1.14m x 8m | 1.14m x 8m |
| – | – | 1.5m x 8m | 1.5m x 8m |
| – | – | 1.4m x 8m | 1.4m x 8m |
| – | – | – | 2m x 8m |
Weathering Steel Cladding Mechanical Properties
| Element | Grade B | Grade A |
|---|---|---|
| Tensile strength Rm MPa | 485 | 485 |
| Minimum yield point ReH Mpa *) | 345 | 345 |
| Minimum elongation A (Lo=5.65 √So) % | 19 | 20 |
Corten Steel Facade Equivalent Grades
| Material # | ASTM | SEW 087 | EN 10155 | UNI | NFA 35-502 | BS 4360 | JIS G3114 |
|---|---|---|---|---|---|---|---|
| 1.8967 | – | – | S355K2G2W | – | – | – | – |
| 1.8945 | – | E 36 WA 3 | S355J0WP | WR 50 A | Fe 510 C1K1 | – | – |
| 1.8961 | – | WTSt 37-3 | S235J2W | Fe 360 DK 1 | E 24 W 4 | – | – |
| 1.8959 | A 588 – A 242 Gr. 1 | – | S355J0W | Fe 510 C2K1 | E 36 WB 3 | WR 50 B | SMA 50 AW |
| 1.8946 | A 242 Type 1 | – | S355J2WP | Fe 510 D1K1 | E 36 WA 4 | – | – |
| 1.8965 | – | – | S355J2G2W | – | – | – | SMA 50 CP |
| 1.8963 | A 588 Gr. A | WTSt 52-3 | S355J2G1W | Fe 510 D2K1 | – | WR 50 C | to |
| 1.8966 | A 709 Gr. 50 W | – | S355K2G1W | – | E 36 WB 4 | – | – |
FAQ
Q: What is Corten Steel Cladding and Why is it Popular?
A: Corten steel cladding is a weathering steel used for exterior surfaces. Its rust-like appearance forms a protective layer, making it durable, low-maintenance, and popular in modern architecture and landscaping.
Q: What is a Corten Steel Panel?
A: A corten steel panel is a weathering steel product that develops a protective rust-like patina. Known for its durability and unique appearance, it is commonly used in architectural and landscaping projects for both aesthetic and functional purposes.
Q: What is a Corten Steel Facade and Why is it Used?
A: A corten steel facade is an exterior covering made from weathering steel that forms a rust-like patina, offering durability, weather resistance, and a modern aesthetic. It's a low-maintenance choice for architectural projects.
