Product Introduction
ASTM A588 Gr.A Corten Steel Plate is a high-strength, low-alloy structural steel designed for exceptional atmospheric corrosion resistance.
Manufactured in compliance with ASTM A588 / ASME SA588 standards, this steel grade offers a unique combination of high yield strength, excellent weldability, and superior resistance to stress corrosion cracking, pitting, and oxidation.
Thanks to its alloy composition, ASTM A588 Gr.A forms a stable, protective rust-colored patina when exposed to atmospheric conditions. This natural patina layer prevents further corrosion penetration, eliminating the need for painting in many applications.
Its durability, toughness, and resistance to harsh weather make it an ideal material for structural and architectural projects.
Specifications
| Grade | Standard | Width | Length | Thickness | Type | Process |
|---|---|---|---|---|---|---|
| ASTM A588 Gr.A | ASTM A588 / ASME SA588 | 750–1500 mm | up to 12,000 mm | 0.8–50 mm | Corten Steel | Hot-Rolled (HR) |
Chemical Composition (%)
| Grade | C | Si | Mn | P | S | Cr | V | Ni | Cu |
|---|---|---|---|---|---|---|---|---|---|
| A588 Gr.A | 0.19 | 0.30–0.65 | 0.80–1.25 | 0.04 | 0.05 | 0.40–0.65 | 0.02–0.10 | 0.40 | 0.25–0.50 |
Mechanical Properties
| Thickness | Yield Strength (MPa) | Tensile Strength (MPa) |
|---|---|---|
| 0–100 mm | 340 | 480 |
| 102–127 mm | 320 | 460 |
| 127–203 mm | 290 | 430 |
Features
High Strength: Yield strength up to 340 MPa and tensile strength up to 480 MPa, ensuring reliable performance in demanding structural applications.
Outstanding Corrosion Resistance: Forms a self-protective patina that resists atmospheric corrosion in industrial, marine, and rural environments.
Excellent Weldability & Machinability: Suitable for welding, bending, cutting, and machining without compromising structural integrity.
Superior Durability: Maintains strength and performance in harsh environments, including extreme temperatures and high-humidity conditions.
Low Maintenance: Requires little to no surface coating due to its inherent weathering properties, reducing long-term maintenance costs.
Applications
Bridge Construction – Long-span bridges, pedestrian walkways, overpasses.
Architectural Projects – Building facades, landscape elements, sculpture structures.
Industrial Structures – Transmission towers, storage tanks, cranes.
Transport Infrastructure – Railway cars, container chassis, heavy vehicle frames.
Outdoor Installations – Fencing, garden edging, retaining walls, outdoor signage.
Quality Assurance
All ASTM A588 Gr.A Corten Steel Plates are subjected to rigorous testing to ensure top-notch performance and durability, including:
Destructive Testing (Tensile Test, Impact Test)
Non-Destructive Testing (Ultrasonic Inspection, Firmness Test)
Why Choose Us
We provide ASTM A588 Gr.A Corten Steel Plates in multiple shapes, sizes, and specifications, tailored to meet your project requirements. With proven reliability, high performance, and long service life, our products are the preferred choice for industries worldwide.
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