As a trusted manufacturer and supplier based in Naypyidaw, Naing Steel takes pride in producing high-quality ASTM A204 grade B sheets and plates. We understand that the backbone of any major project is reliable materials, which is why our commitment lies in delivering products that meet rigorous international standards. Our focus is on supporting Myanmar’s growing infrastructure and industrial sectors with steel that offers exceptional strength and durability, ensuring your builds are not only successful but also built to last for generations.
The composition of ASTM A204 grade B steel includes molybdenum, which is key to its enhanced strength, particularly at elevated temperatures. This grade is carefully alloyed to provide excellent mechanical properties, including a minimum tensile strength of 515 MPa and a yield strength of 310 MPa. These characteristics make the material exceptionally tough and resilient, capable of withstanding significant pressure and stress, which is essential for demanding industrial environments where safety and performance are non-negotiable.
Standard:Â ASTM A204/ ASME SA204
Steel Grade:Â Grade B
Thickness:Â 6mm to 150mm
Length:Â 3000mm to 15000mm
Width:Â 1500mm to 4050mm
Delivery state:Â Hot Rolled
Surface: Mill Varnish, Oiled,Galvanized, Bare
Application:Â steel boiler plates, high temperature pressure vessel plates
| Grade | Chemical Composition(%) | ||||
| P | Mn≥ | C | Si | S | |
| ASTM A204 Grade B(A204GRB) | 0.035 | 0.98 | 0.20 | 0.13-0.45 | 0.035 |
| Mechanical Property | A204 Grade B |
|---|---|
| [MPa] Tensile strength, kis | 70-90 [485-620] |
| min, % Elongation in 2 in. [50 mm] | 21 |
| [MPa] Yield strength, min, kis | 40 [275] |
| min, % Elongation in 8 in. [200 mm] | 17 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
You will find ASTM A204 grade B sheets and plates are ideally suited for critical high-temperature applications. They are commonly used in the fabrication of boilers, pressure vessels, and other containment systems within power generation plants and petrochemical facilities. Their reliable performance under heat and pressure makes them a fundamental choice for engineers who need a material that guarantees integrity and safety, ensuring that essential equipment operates efficiently and securely over its entire lifespan.
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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