The 09CuPCrNi-A Corten Steel Plate is a type of low-alloy, atmospheric corrosion-resistant steel widely used in structural and industrial applications.
With excellent corrosion resistance, long-term durability, and anti-corrosion properties, this steel plate naturally forms a protective rust layer ("patina") on its surface when exposed to outdoor environments.
This protective layer can last for up to 80 years, eliminating the need for painting and reducing maintenance costs.
Chemical Composition (%)
| Element | C | Si | Mn | P | S | Ni | Cr | Mo | V | Cu |
|---|---|---|---|---|---|---|---|---|---|---|
| 09CuPCrNi-A | 0.06 | 0.57 | 0.74 | 0.018 | 0.013 | 0.71 | 0.53 | 0.01 | 0.01 | 0.46 |
Mechanical Properties
Yield Strength: ≥ 350 MPa
Tensile Strength: 450–600 MPa (varies by thickness)
Elongation: ≥ 20–25%
Density: 7.85 g/cm³
Standards & Equivalents
ASTM: Corten A / Corten B / A588 GR.A / A588 GR.B
EN: S355J0W / S355J2W / S355J0WP / S355J2WP / S355K2G1W / S355K2G2W
JIS: G3125 SPA-H / SPA-C
GB: 09CuPCrNi-A / 09CuPCrNi- B / 480GNQR / Q235NH / Q295NH / Q355NH / Q355GNH / Q460N
Specifications
Material: 09CuPCrNi-A Corten Steel Plate
Thickness: 0.1–300 mm (customizable)
Width: 0.6–3 m (customizable)
Length: 4–12 m (customizable)
Finish: Mill finish, oxidized rust treatment, metal painting, powder coating
Processing: Laser cutting, bending, welding, and decorative fabrication
Key Features & Benefits
Excellent Corrosion Resistance – Forms a dense, adherent protective rust layer enriched with Cu, Cr, Ni, and P to prevent deep corrosion.
Long-Term Durability – Anti-corrosion performance can last up to 80 years under outdoor conditions.
Low Maintenance – Self-protecting surface eliminates the need for painting and costly rust prevention.
Versatile Applications – Suitable for outdoor structures, bridges, railway projects, containers, oil platforms, chimneys, and garden architecture.
Weather & Temperature Resistance – Can withstand low-temperature environments and sulfur-containing atmospheres without degradation.
Surface Requirements
The 09CuPCrNi-A Corten Steel Plate surface should be free of cracks, delamination, inclusions, bubbles, scars, or folds. Any minor defects can be removed carefully, with removal depth not exceeding half the plate thickness.
Applications
Railway and rolling stock
Bridges and harbor construction
Shipping containers and industrial tanks
Power plant chimneys, boilers, and economizers
Garden and architectural facades
Structural components exposed to sulfur-containing atmospheres or low-temperature environments
Certificates & Quality
ISO certified
CE approved
The 09CuPCrNi-A Corten Steel Plate combines excellent atmospheric corrosion resistance, mechanical strength, and aesthetic appearance, making it a premium choice for long-term outdoor, industrial, and structural applications.
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