Naing Steel is a trusted name in Myanmar’s industrial landscape, proudly serving Naypyidaw and beyond as a dedicated manufacturer and supplier of high-grade steel. We specialize in providing SA 515 Grade 70 sheets and plates, materials chosen for their exceptional strength and reliability in demanding environments. Our commitment is to support the nation’s growing infrastructure and industrial projects with products that meet the highest standards of quality and performance, ensuring our clients can build with confidence and durability for the long term.
SA 515 Grade 70 is a carbon steel plate known for its excellent performance in high-temperature service. Its composition carefully balances carbon, manganese, and silicon to achieve a fine-grained structure. This results in outstanding mechanical properties, including a minimum yield strength of 38,000 psi and tensile strength ranging from 70,000 to 90,000 psi. These characteristics give it remarkable toughness and the ability to withstand significant pressure, making it a go-to material for critical containment applications.
| Specifications | ASTM A515 Gr. 60 / ASME A515 Grade 60 | |
| Thickness |
| |
| Length | 3000 mm – 8000 mm | |
| Width | 1500-3500mm | |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange) | |
| Finish | Cold rolled sheet (CR), Hot rolled plate (HR) | |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Grade | C | Mn | P | S | Si |
|---|---|---|---|---|---|
| A515 Grade 70 | 0.30-0.35 | 1.30 max | 0.035 max | 0.035 max | 0.13-0.45 |
| Grade | Yield | Tensile | Thickness | Elongation |
|---|---|---|---|---|
| A515 Grade 70 | MPa -551 min | MPa – 485-620 |  50-200mm | 17-21% |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
The primary use for SA 515 Grade 70 sheets and plates is in the fabrication of pressure vessels and boilers for the power generation and petrochemical industries. You will find this material forming the shells, drums, and heads of equipment that must safely contain steam, gases, and other substances under high pressure and heat. Its reliability also makes it suitable for large storage tanks and other critical structural components in major construction projects, where integrity under stress is an absolute necessity.
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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