At Esha Steel, we proudly supply premium ASME SA 387 Grade 9 Class 1/2 Sheets and Plates to industries across Kolkata and nationwide. Manufactured to ASME standards, these sheets and plates are designed to withstand high temperatures and pressures, ensuring long-term durability and reliability. Esha Steel emphasizes precise dimensions, stringent quality control, and superior mechanical performance. Trusted across power generation, petrochemical, and industrial sectors, Grade 9 Class 1/2 sheets and plates offer excellent toughness, corrosion resistance, and structural strength, making them ideal for boilers, pressure vessels, and heat exchangers in demanding industrial environments.
ASME SA 387 Grade 9 Class 1 & 2 Sheets and Plates are chromium-molybdenum alloy plates suitable for applications under high pressure and temperature. They contain around 9% Chromium and 1% Molybdenum. Ensuring maximum oxidation and corrosion resistance together with excellent strength. They are famous for their durability and thermal stability and find wide applications in extreme environments requiring extraordinary performance under rigorous conditions.
| Standard | ASTM A387 / ASME SA387 |
|---|---|
| Width | 1000mm-3000mm |
| Thickness | 1.0mm – 200mm |
| Production | Hot-Rolled (HR) / Cold-Rolled (CR) |
| Grade | C | Si | Mn | P | S | Cr | Mo |
| A387 GR.9 CL.2 | 0.15 max | 2.05 max | 0.25-0.66 max | 0.030 max | 0.030 max | 7.90-10.10 max | 0.85-2.10 max |
| Grade | A387 GR.9 CL.2 | |||
| A387 GR.9 CL.2 | Thickness mm | Yield Min Mpa | Tensile Mpa | Elongation Min % |
| t≦50 | 310 | 515-690 | 18 | |
| 50<t≦200 | – | – | – | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
ASME SA 387 Grade 9 Class 1/2 Sheets and Plates are manufactured from alloy steel with controlled carbon, chromium, and molybdenum content, along with manganese, phosphorus, sulfur, and silicon. This composition provides high-temperature strength, creep resistance, and corrosion resistance. Mechanically, the plates offer tensile strength ranging from 485–620 MPa, yield strength of 260–415 MPa, and good elongation and impact toughness. Their uniform microstructure allows for excellent weldability and formability. Heat treatment and normalization enhance hardness and dimensional stability, making these sheets and plates suitable for high-temperature, high-pressure industrial applications.
ASME SA 387 Grade 9 Class 1/2 Sheets and Plates are widely used in boilers, heat exchangers, pressure vessels, and high-temperature piping systems. Industries such as power plants, petrochemical facilities, and chemical processing plants rely on them for durability and performance under high temperatures and pressures. The plates are also ideal for fabrication of welded assemblies, structural supports, and mechanical components that require creep resistance, toughness, and corrosion resistance. With excellent weldability and mechanical stability, Grade 9 Class 1/2 sheets and plates ensure safe, long-lasting, and efficient operation in demanding industrial and process engineering applications.
Esha Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Kolkata India.
Copyright 2025 Esha Steel. All rights reserved
