As a leading manufacturer and supplier based in Naypyidaw, Naing Steel is proud to be a trusted source for high-pressure vessel components, including ASME SA 387 Grade 22 Class 1 & 2 sheets and plates. We understand that our clients require materials built to the highest standards of reliability and safety. Our commitment is to deliver not just a product, but a foundation of integrity for critical industrial projects across Myanmar, ensuring every piece meets the rigorous demands of the most challenging environments with consistent quality you can depend on.
The strength of this grade lies in its specific chromium-molybdenum composition, which provides excellent resistance to high temperatures and pressure. This steel is carefully crafted to offer superior mechanical properties, including high tensile strength and good notch toughness, making it exceptionally durable under stress. Its ability to withstand demanding thermal conditions without compromising its structural integrity is what sets it apart, ensuring long-term performance and safety in the most critical 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.22 CL.1 & 2 | 0.04-0.15 max | 0.50 max | 0.30-0.60 max | 0.035 max | 0.035 max | 1.88-2.62 max | 0.85-1.15 max |
| Grade | A387 GR.22 CL.1 & 2 | |||
| A387 GR.22 CL.1 & 2 | 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 22 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 22 Class 1/2 Sheet and Plates needs!
These sheets and plates are essential for constructing critical equipment like petroleum refinery heaters, power boilers, and high-temperature pressure vessels. Their exceptional strength and resistance to corrosion and oxidation make them the material of choice for components that operate under severe thermal and mechanical stress. From the energy sector to chemical processing plants, this material provides the reliable backbone for infrastructure that must perform safely and efficiently for years, forming the heart of systems that power modern industry.
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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