ASME SA 387 Grade 5 Class 2 Plates: High-Performance Alloy Steel Plates
ASC LLP is a renowned supplier and stockist of high-quality alloy steel plates, including the exceptional ASME SA387 Grade 5 Class 2 Alloy Steel Plates. These plates are designed to meet the rigorous demands of industries that require reliable and durable materials capable of withstanding extreme conditions. In this comprehensive guide, we will explore the properties, advantages, and applications of ASME SA387 Grade 5 Class 2 Plates, making them an ideal choice for your industrial needs.
What are ASME SA387 Grade 5 Class 2 Plates?
ASME SA387 Grade 5 Class 2 Plate are a type of alloy steel plates specifically engineered for high-temperature applications. These plates are characterized by their chromium-molybdenum composition, which provides excellent resistance to heat and corrosion. The addition of molybdenum enhances the strength and durability of the steel, making it suitable for use in pressure vessels and industrial boilers operating under extreme conditions.

Properties of ASME SA387 Grade 5 Class 2 Plates
The ASME SA387 Grade 5 Class 2 Plates are known for their impressive mechanical and chemical properties, which include:
- High Tensile Strength: These plates offer superior tensile strength, ensuring structural integrity even under high pressure.
- Excellent Corrosion Resistance: The chromium content provides outstanding resistance to oxidation and corrosion, making the plates ideal for use in harsh environments.
- Good Weldability: These plates exhibit good weldability, allowing for easy fabrication and installation.
- High Temperature Stability: The molybdenum content enhances the stability of the plates at elevated temperatures, making them suitable for high-temperature applications.
Advantages of ASME SA387 Grade 5 Class 2 Plates
Choosing ASME SA387 Grade 5 Class 2 Plates offers several advantages, including:
- Durability: The robust composition of these plates ensures long-lasting performance, reducing the need for frequent replacements.
- Safety: The high tensile strength and temperature stability of the plates contribute to the safety and reliability of pressure vessels and boilers.
- Cost-Effective: The durability and low maintenance requirements of these plates result in cost savings over time.
- Versatility: These plates can be used in a wide range of applications, from petrochemical industries to power plants.


Schedule and Size Chart
Plate Thickness (mm) | Plate Width (mm) | Plate Length (mm) |
5.0 | 1000 – 2500 | 3000 – 12000 |
6.0 | 1000 – 2500 | 3000 – 12000 |
8.0 | 1000 – 2500 | 3000 – 12000 |
10.0 | 1000 – 2500 | 3000 – 12000 |
12.0 | 1000 – 2500 | 3000 – 12000 |
16.0 | 1000 – 2500 | 3000 – 12000 |
20.0 | 1000 – 2500 | 3000 – 12000 |
25.0 | 1000 – 2500 | 3000 – 12000 |
30.0 | 1000 – 2500 | 3000 – 12000 |
Mechanical Properties Chart
Property | Value |
Tensile Strength | 515 – 690 MPa |
Yield Strength (0.2% offset) | ≥ 310 MPa |
Elongation (in 50mm) | ≥ 18% |
Reduction of Area | ≥ 40% |
Hardness | ≤ 235 HB |
Specifications Chart
Standard | Specification |
ASTM | ASTM A387 / A387M |
ASME | ASME SA387 / SA387M |
Thickness Range | 5mm – 150mm |
Width Range | 1000mm – 2500mm |
Length Range | 3000mm – 12000mm |
Chemical Composition Chart
Element | Composition (%) |
Carbon (C) | 0.05 – 0.17 |
Manganese (Mn) | 0.30 – 0.60 |
Phosphorus (P) | ≤ 0.035 |
Sulfur (S) | ≤ 0.035 |
Silicon (Si) | 0.50 max |
Chromium (Cr) | 4.00 – 6.00 |
Molybdenum (Mo) | 0.45 – 0.65 |
Physical Properties Chart
Property | Value |
Density | 7.85 g/cm³ |
Melting Point | 1410 – 1450°C |
Thermal Conductivity | 37.7 W/m·K at 500°C |
Specific Heat Capacity | 0.46 J/g·K |
Modulus of Elasticity | 205 GPa |
Application Chart
Industry | Application |
Petrochemical Industry | Pressure vessels and reactors |
Power Generation | Industrial boilers and heat exchangers |
Oil and Gas | Refineries and pipelines |
Chemical Processing | Processing equipment and storage tanks |
Construction | Structural components for high-temperature environments |
Manufacturing | High-strength parts for heavy machinery |
ASME SA387 Grade 5 Class 2 Plates Suppliers and Stockist
As a leading supplier and stockist of ASME SA387 Gr5 Class 2 Plate, ASC LLP is committed to providing high-quality products that meet the specific needs of our clients. Our extensive inventory ensures that we can supply plates in various sizes and specifications to suit your requirements. We pride ourselves on our ability to deliver exceptional customer service and support, helping you select the right plates for your application.
In conclusion, ASME SA387 Gr5 Class 2 Alloy Steel Plates are an excellent choice for industries that require materials with high tensile strength, corrosion resistance, and temperature stability. As a trusted supplier and stockist, ASC LLP is dedicated to providing top-quality plates that meet the highest standards of performance and reliability. Whether you are constructing pressure vessels, industrial boilers, or heat exchangers, our ASME SA387 Gr5 Class 2 Plates will meet your needs and exceed your expectations.
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 SA 387 Grade 5 Class 2 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.