ASTM A709-100 Corten Steel Plates: Strength and Durability for High-Stress Environments
Welcome to ASC LLP, your trusted dealer and stockist of high-quality alloy steel plates. In this detailed guide, we delve into everything you need to know about ASME SA387 Grade 22 Class 1 Plates, covering their properties, advantages, and applications.
What are ASME SA387 Grade 22 Class 1 Plates?
ASME SA387 Grade 22 Class 1 Alloy Steel Plates are high-performance alloy steel plates designed for elevated temperature and pressure applications. These plates are part of the ASME SA387/ASTM A387 family of chromium-molybdenum alloy steels, which are widely used in industries such as petrochemical, oil and gas, and power generation.

Properties of ASME SA387 Grade 22 Class 1 Plates
The properties of ASME SA387 Grade 22 Class 1 Plates make them suitable for demanding applications in the petrochemical, oil and gas, and power generation industries. Here are the key properties of these plates:
- High Tensile Strength: ASME SA387 Grade 22 Class 1 Plates possess high tensile strength, making them ideal for applications that require durable and robust materials.
- Thermal Stability: These plates maintain their mechanical properties even at elevated temperatures, ensuring reliability in high-temperature environments.
- Corrosion Resistance: The addition of Chromium and Molybdenum enhances the plates’ resistance to corrosion and oxidation, extending their service life.
- Hardness and Toughness: The plates offer an excellent balance of hardness and toughness, providing resistance to wear and impact.
- Weldability: ASME SA387 Grade 22 Class 1 Plates can be welded using standard welding techniques, facilitating ease of fabrication.
Advantages of ASME SA387 Grade 22 Class 1 Plates
Choosing ASME SA387 Gr22 Class 1 Plates for your projects comes with several advantages:
- Extended Service Life: The superior properties of these plates ensure a longer service life, reducing the need for frequent replacements and maintenance.
- Versatility: These plates are suitable for a wide range of applications, from pressure vessels to heat exchangers, offering flexibility in design and usage.
- Cost-Effective: The durability and long-term performance of ASME SA387 Gr22 Class 1 Plates provide cost savings over time, making them a cost-effective choice for industrial applications.
- High Performance: The plates’ ability to withstand extreme conditions ensures high performance and reliability in critical applications.
- Compliance with Standards: ASME SA387 Gr22 Class 1 Plates comply with stringent international standards, ensuring quality and consistency.


Schedule and Size Chart
Thickness (mm) | Width (mm) | Length (mm) |
6 | 1000-2500 | 3000-12000 |
8 | 1000-2500 | 3000-12000 |
10 | 1000-2500 | 3000-12000 |
12 | 1000-2500 | 3000-12000 |
16 | 1000-2500 | 3000-12000 |
20 | 1000-2500 | 3000-12000 |
25 | 1000-2500 | 3000-12000 |
30 | 1000-2500 | 3000-12000 |
Mechanical Properties Chart
Property | Value |
Tensile Strength | 515-690 MPa |
Yield Strength | 310 MPa (minimum) |
Elongation | 20% (in 50mm) |
Hardness (Brinell) | 135-179 HB |
Impact Energy (Charpy V) | 54 J (at room temperature) |
Specifications Chart
Specification | Description |
Standard | ASME SA387/ASTM A387 |
Grade | Grade 22 Class 1 |
Alloy Composition | Chromium-Molybdenum Alloy Steel |
Heat Treatment | Normalized and Tempered |
Application Standards | Pressure vessels, Boilers, Heat exchangers |
Chemical Composition Chart
Element | Composition (%) |
Carbon (C) | 0.05 – 0.15 |
Manganese (Mn) | 0.30 – 0.60 |
Silicon (Si) | 0.50 max |
Phosphorus (P) | 0.025 max |
Sulfur (S) | 0.025 max |
Chromium (Cr) | 1.90 – 2.60 |
Molybdenum (Mo) | 0.87 – 1.13 |
Nickel (Ni) | 0.25 max |
Physical Properties Chart
Property | Value |
Density | 7.8 g/cm³ |
Melting Point | 1425-1510°C |
Thermal Conductivity | 28.6 W/m-K |
Specific Heat | 460 J/kg-K |
Electrical Resistivity | 0.55 µΩ·m |
Application Chart
Industry | Application | Description |
Petrochemical | Pressure Vessels | Used in high-temperature, high-pressure environments |
Oil and Gas | Heat Exchangers | Resists thermal and mechanical stress in harsh conditions |
Power Generation | Boilers | Maintains mechanical properties at elevated temperatures |
Chemical Processing | Reactors, Storage Tanks | Excellent corrosion resistance and durability |
Manufacturing | Structural Components | High strength and toughness for structural integrity |
Why Choose ASC LLP?
At ASC LLP, we pride ourselves on being a premier dealer and stockist of ASME SA387 Gr22 Class 1 Plates. Here’s why you should choose us:
- Extensive Inventory: We maintain a large stock of ASME SA387 Gr22 Class 1 Plates to meet the diverse needs of our clients.
- Quality Assurance: Our plates undergo rigorous quality checks to ensure they meet the highest standards.
- Expertise: With years of experience in the steel industry, we provide expert advice and solutions to our clients.
- Customer Service: We are committed to providing excellent customer service and support throughout your purchasing journey.
ASME SA387 Gr22 Class 1 Plates are an essential component for industries requiring materials that can withstand high temperatures and pressures. With their exceptional properties and advantages, these plates offer a reliable and cost-effective solution for a wide range of applications.
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 ASME SA387 Grade 22 Class 1 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.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.