ASTM A709-100 Corten Steel Plates: Strength and Durability for High-Stress Environments
Welcome to ASC LLP, your trusted supplier of high-quality steel products. Among our extensive range of offerings, we take pride in providing ASTM A709-100 Corten Steel Plates, a versatile material known for its strength, durability, and corrosion resistance. In this comprehensive guide, we will explore the properties, advantages, and applications of ASTM A709-100 Plates, while addressing common questions about this exceptional material.
What are ASTM A709-100 Plates?
ASTM A709-100 Plates are high-strength, low-alloy steel plates designed primarily for structural applications in the construction of bridges and other structures requiring superior toughness and strength. These plates are part of the ASTM A709 specification, which covers carbon and high-strength low-alloy steel structural shapes, plates, and bars. The A709-100 grade specifically refers to a high-performance steel that combines high yield strength with excellent resistance to atmospheric corrosion, making it ideal for use in harsh environments.

Properties of ASTM A709-100 Plates
- High Yield Strength: ASTM A709-100 Plates boast a yield strength of 100 ksi, making them suitable for high-stress applications where structural integrity is critical.
- Excellent Toughness: These plates are engineered to maintain their toughness and resilience, even in extreme temperatures and conditions.
- Superior Corrosion Resistance: The weathering properties of Corten steel provide natural corrosion resistance, reducing the need for additional coatings or treatments.
- Enhanced Weldability: ASTM A709-100 Plates are designed for ease of fabrication, including welding and forming processes, ensuring efficient construction and installation.
- Durability: The combination of high strength and corrosion resistance results in a material that offers long-term performance and reliability.
Advantages of ASTM A709-100 Plates
- Longevity: The corrosion-resistant properties of Corten steel ensure that ASTM A709-100 Plates have a prolonged service life, reducing maintenance and replacement costs.
- Aesthetic Appeal: The unique patina of Corten steel provides a distinctive and attractive appearance that blends well with natural surroundings, making it a popular choice for architectural and infrastructure projects.
- Cost-Effectiveness: With reduced maintenance requirements and enhanced durability, ASTM A709-100 Plates offer cost savings over the lifespan of the project.
- Environmental Benefits: The natural weathering process of Corten steel eliminates the need for chemical treatments and coatings, making it an environmentally friendly choice.
- Versatility: ASTM A709-100 Plates are suitable for a wide range of applications, from bridges and buildings to industrial equipment and transportation infrastructure.


Schedule and Size Chart
Thickness (mm) | Width (mm) | Length (mm) |
6 – 50 | 1500 – 2500 | 6000 – 12000 |
51 – 100 | 1500 – 2500 | 6000 – 12000 |
101 – 150 | 1500 – 2500 | 6000 – 12000 |
151 – 200 | 1500 – 2500 | 6000 – 12000 |
Mechanical Properties Chart
Property | Value |
Tensile Strength | 100 ksi (690 MPa) minimum |
Yield Strength | 100 ksi (690 MPa) minimum |
Elongation | 18% in 8″ (200 mm) |
21% in 2″ (50 mm) | |
Impact Resistance | Charpy V-Notch (CVN) tested at 40°F (4°C) |
Specifications Chart
Specification | Detail |
Standard | ASTM A709 |
Grade | 100 |
Type | High-Strength Low-Alloy Steel Plate |
Form | Plate |
Surface Finish | As Rolled, Clean, or Custom as required |
Delivery Condition | As Rolled, Normalized, Quenched, and Tempered |
Chemical Composition Chart
Element | Composition (%) |
Carbon (C) | 0.15 max |
Manganese (Mn) | 1.0 – 1.35 |
Phosphorus (P) | 0.025 max |
Sulfur (S) | 0.025 max |
Silicon (Si) | 0.15 – 0.40 |
Nickel (Ni) | 0.40 max |
Chromium (Cr) | 0.80 – 1.25 |
Copper (Cu) | 0.30 – 0.40 |
Vanadium (V) | 0.06 – 0.10 |
Columbium (Cb) | 0.02 – 0.05 |
Physical Properties Chart
Property | Value |
Density | 7.85 g/cm³ |
Modulus of Elasticity | 200 GPa |
Thermal Conductivity | 40 W/m·K at 20°C |
Specific Heat | 0.49 J/g·K at 20°C |
Melting Point | 1450-1520°C |
Electrical Conductivity | 5% IACS |
Application Chart
Application | Details |
Bridges and Overpasses | High strength and corrosion resistance make these plates ideal for constructing durable and long-lasting bridges and overpasses. |
Architectural Structures | Used in modern architectural designs including building facades, sculptures, and landscape elements due to its unique weathering characteristics. |
Transportation Infrastructure | Ideal for railcars, shipping containers, and other transportation infrastructure that requires high strength and resistance to harsh weather conditions. |
Industrial Equipment | Utilized in the fabrication of industrial equipment and machinery operating in demanding environments. |
Marine Structures | Suitable for use in marine environments due to its excellent resistance to atmospheric corrosion. |
Why Choose ASC LLP for your projects?
At ASC LLP, we are committed to providing our customers with the highest quality steel products and exceptional service. Here’s why you should choose us as your ASTM A709-100 Plates supplier:
- Extensive Inventory: We maintain a comprehensive stock of A709-100 Plates in various sizes and specifications to meet your project requirements promptly.
- Quality Assurance: Our products undergo rigorous quality control measures to ensure they meet the highest industry standards and customer expectations.
- Expertise and Experience: With years of experience in the steel industry, our knowledgeable team is equipped to provide technical support and guidance for your projects.
- Timely Delivery: We understand the importance of timely delivery and strive to ensure that our products reach you within the stipulated time frame.
- Customer Satisfaction: Customer satisfaction is our top priority, and we are dedicated to providing personalized service and support to meet your specific needs.
ASTM A709-100 Corten Steel Plates offer a unique combination of strength, durability, and aesthetic appeal, making them an excellent choice for a wide range of structural applications. Whether you’re constructing a bridge, designing an architectural masterpiece, or building industrial equipment, these plates provide the performance and longevity you need. At ASC LLP, we are dedicated to supplying top-quality ASTM A709-100 Plates to meet your specific requirements. Contact us today to learn more about our products and how we can assist with your next project.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM A709-100 Plates. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

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