Amardeep Steel Center offers high-quality ASTM A588 weathering steel in various forms, including angles, channels, beams, plates, and bars. This durable steel is designed to withstand harsh environmental conditions, making it ideal for critical infrastructure projects.
High Strength: A588 is a low-alloy structural steel with enhanced strength.
Corrosion Resistance: Built to resist atmospheric corrosion, it is perfect for uncoated applications.
ASTM A588 steel is designed for unpainted applications, offering a durable, lightweight solution with a longer lifespan. Its corrosion-resistant properties and ability to develop a natural patina over time make it ideal for projects that require both functionality and aesthetic appeal. This specification is widely used to achieve durability and reduced maintenance in outdoor and structural applications.
With significantly better atmospheric corrosion resistance than carbon steels like A36 and A572-50, A588 performs well when exposed to the elements. It offers a minimum yield strength of 50 ksi and a tensile strength of 70 ksi, making it suitable for various structural uses. However, it is not recommended for load-bearing applications where temperatures exceed 450°C.
What is ASTM A588 Steel?
ASTM A588 is a type of weathering steel renowned for its outstanding corrosion resistance and high strength. This alloy forms a protective rust-like surface when exposed to the atmosphere, eliminating the need for additional coatings and reducing maintenance costs. Commonly referred to as Corten®, A588 is composed of copper, chromium, nickel, and other elements that enhance its weathering properties.
A588 steel is designed for structural and architectural applications such as bridges, buildings, and outdoor structures. Its natural oxidation process creates a barrier against further corrosion, providing a durable and aesthetically appealing finish. The material has a minimum yield strength of 50 ksi and a tensile strength of 70 ksi, making it suitable for demanding structural uses. However, it is not recommended for load-bearing applications at temperatures exceeding 450°C.
Its corrosion resistance, strength, and durability, ASTM A588 is widely utilized in the construction industry, especially for projects exposed to harsh environmental conditions.
Key Features and Benefits of ASTM A588 Steel
- Superior Corrosion Resistance: ASTM A588 steel is designed to resist atmospheric corrosion, thanks to its unique composition, including copper and other alloying elements. When exposed to the elements, it forms a rust-like patina that acts as a protective layer, preventing further corrosion. This eliminates the need for additional coatings or treatments, making it highly durable even in harsh environments. Compared to standard carbon steels like A36 and A572-50, ASTM A588 offers significantly better corrosion resistance, particularly in unpainted applications.
- High Strength and Durability: With its high tensile strength, ASTM A588 can handle heavy loads and stresses, making it ideal for demanding applications such as bridges, buildings, and construction equipment. Its toughness and impact resistance ensure structures built with A588 steel are long-lasting and reliable under dynamic forces. Proper maintenance further enhances its already long service life.
- Aesthetic Appeal: In addition to its practical benefits, ASTM A588 steel delivers a distinct visual charm. The naturally weathered surface features warm tones and a textured finish that adds depth to architectural projects. This unique appearance makes it a popular choice for art installations, outdoor sculptures, and decorative applications, blending functionality with style.
Material Properties
| Thickness | Yield Point (ksi) | Tensile Strength (ksi) | Min. 2” Elongation % |
|---|---|---|---|
| 4 in. and under | 50 | 70 | 21 |
| Over 4 in. to 5 in. | 46 | 67 | 21 |
| Over 5 in. to 8 in. | 42 | 63 | 21 |
Chemical Composition
| A | |
|---|---|
| Carbon | 0.19% max |
| Manganese | 0.80-1.25% |
| Phosphorus | 0.030% max |
| Sulfur | 0.030% max |
| Silicon | 0.03-0.65% |
| Nickel | 0.40% max |
| Chromium | 0.40-0.65% |
| Copper | 0.25-0.40% |
| Vanadium |
0.02-0.10% |
| B | |
|---|---|
| Carbon | 0.20% max |
| Manganese | 0.75-1.35% |
| Phosphorus | 0.030% max |
| Sulfur | 0.030% max |
| Silicon | 0.15-0.50% |
| Nickel | 0.50% max |
| Chromium | 0.40-0.70% |
| Copper | 0.20-0.40% |
| Vanadium | 0.01-0.10% |
| K | |
|---|---|
| Carbon | 0.17% |
| Manganese | 0.50-1.20% |
| Phosphorus | 0.030% max |
| Sulfur | 0.030% max |
| Silicon | 0.25-0.50% |
| Nickel | 0.40% max |
| Chromium | 0.40-0.70% |
| Molybdenum | 0.10% |
| Copper | 0.30-0.50% |
| Columbium | 0.005-0.05% |
Applications of ASTM A588
- Pedestrian Bridges: Durable and strong for foot traffic.
- Highway Bridge Girders: Ideal for supporting highway bridges.
- Shipbuilding: Used in constructing resilient ship parts.
- Tanks and Railcars: Suitable for storage and transportation uses.
- Fencing and Sculptures: Provides both functionality and aesthetic appeal.
Choose ASTM A588 for its strength, longevity, and resistance to extreme conditions, ensuring reliable performance in a range of applications.
ASTM A588 Weathering Steel We Supply Worldwide
We Supply Our ASTM A606 Type 4 Steel Plate to various cities like Madrid, Al Khobar, Tehran, Caracas, Moscow, Secunderabad, Ranchi, Port-of-Spain, Gimhae-si, Sydney, Hyderabad, Geoje-si, Rajkot, Kuwait City, La Victoria, Granada, Cairo, Dubai, New York, Busan, Ahmedabad, Surat, Milan, Jaipur, Istanbul, Nagpur, Howrah, Ankara, Riyadh, Coimbatore, Lahore, Calgary, Chandigarh, Jakarta, Algiers, Ulsan, Dallas, Rio de Janeiro, Navi Mumbai, Ernakulam, Bhopal, Atyrau, Los Angeles, Nashik, Santiago, Edmonton, Doha, Hanoi, Noida, Ludhiana, Singapore, Kanpur, New Delhi, Thiruvananthapuram, Jeddah, Seoul, Lagos, Chennai, Dammam, Montreal, London, Faridabad, Abu Dhabi, Chiyoda, Hong Kong, Muscat, Aberdeen, Bogota, Colombo, Mumbai, Karachi, Kolkata, Jamshedpur, Manama, Vung Tau, Petaling Jaya, Bengaluru, Ho Chi Minh City, Brisbane, Houston, Toronto, Visakhapatnam, Vadodara, Haryana, Ahvaz, Pune, Bangkok, Thane, Kuala Lumpur, Gurgaon, Indore, Melbourne, Perth, Pimpri-Chinchwad, Mexico City, Sharjah, Courbevoie, Baroda, Al Jubail.
FAQs
1. What is A588 weathering steel?
A588 weathering steel, also called Corten®, resists corrosion by forming a protective rust-like surface. It requires no additional coatings, reducing maintenance, and is available in structural shapes, plates, and bars.
2. What is A588 steel grade?
A588 steel grade, known as Corten®, is a weathering steel with excellent corrosion resistance. Its rust-like protective surface reduces maintenance costs and is available in structural shapes, plates, and bars.
3. What is A588 steel equivalent to?
ASTM A588 Grade A plate is equivalent to Corten A, while ASTM A242 is equivalent to Corten B. Both offer superior weathering resistance compared to A572 Grade 50.
