Corten A is a representative steel grade of the US CU-P series, commonly used as a weather-resistant structural steel plate.
Its main alloying elements include copper, chromium, nickel, and phosphorus. It belongs to low-alloy structural steel resistant to atmospheric corrosion, known for its excellent weather resistance.
Corten A can withstand atmospheric corrosion without the need for surface treatment and can be used without painting.
Corten A Chemical Components
| Grade | C | Si | Mn | P | S | Cu | Ni | Cr |
| Corten-A | 0.12 | 0.25-0.75 | 0.20-0.50 | 0.07-0.15 | 0.03 | 0.25-0.55 | 0.65 | 0.50-1.25 |
Corten A - Mechanical Properties
The mechanical properties of Corten A are outlined in the following table.
| Grade | Thickness (mm) Strip Products |
Plate Products | Yield Strength Rel N/mm² Minimum |
Tensile Strength Rm N/mm² Minimum |
Elongation A50 % Minimum |
| Corten A | 2 – 12 | 6 – 12 | 345 | 485 | 20 |
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