As a trusted manufacturer and supplier based in Naypyidaw, Naing Steel stands as a key contributor to Myanmar’s industrial growth, specializing in high-performance materials for demanding environments. We take pride in producing and supplying ASME SA 387 Grade 5 Class 1 & 2 sheets and plates, engineered to meet the most rigorous international standards. Our commitment ensures that local industries have reliable access to world-class steel products, supporting critical infrastructure and advanced manufacturing projects right here in our nation’s capital.
This specific chromium-molybdenum alloy steel is defined by its composition, primarily chromium and molybdenum, which gives it exceptional strength and resistance to high temperatures and corrosion. In terms of mechanical properties, Grade 5 Class 1 & 2 plates offer high tensile strength and are designed for prolonged service in elevated temperature environments, making them a robust and dependable choice for pressure-containing applications where failure is not an option.
| 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.5 CL.1 | 0.15 max | 0.55 max | 0.25-0.66 max | 0.035 max | 0.035 max | 3.90-6.10 max | 0.40-0.70 max |
| Grade | A387 GR.5 CL.1 | |||
| A387 GR.5 CL.1 | Thickness mm | Yield Min Mpa | Tensile Mpa | Elongation Min % |
| t≦50 | 205 | 415-585 | 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.
Naing Steel is a trusted manufacturer and supplier of high-quality ASME SA 387 Grade 5 Class 1/2 Sheet and Plates in Naypyidaw, Myanmar. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel and Galvanized Steel, with a strong focus on Carbon Steel Sheet and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability and performance for critical industrial applications. Contact us today for all your ASME SA 387 Grade 5 Class 1/2 Sheet and Plates needs!
The primary use for these specialized sheets and plates is in the fabrication of pressure vessels and boilers that operate under high temperatures and pressures, commonly found in power generation plants, petrochemical refineries, and large-scale industrial processing facilities. Their reliability makes them indispensable for critical components like reactor shells and heat exchangers, ensuring safety and longevity in systems where integrity is paramount for both operational success and the protection of people and assets.
Naing 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 Naypyidaw, Myanmar.
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