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Vipul Sheets and Plates, located in Delhi, India, stands out as a top manufacturer and supplier of SA285 Grade B Boiler Sheets and Plates, serving the diverse needs of the pressure vessel and boiler industries. Our products are celebrated for their exceptional quality, durability, and adherence to international standards. The SA285 Grade B plates are specifically designed for moderate-strength applications, providing excellent weldability and toughness. At Vipul Sheets and Plates, we make it a priority to ensure that every product goes through rigorous quality checks, guaranteeing outstanding performance. This commitment makes us a trusted partner for critical industrial operations that require reliable and cost-effective steel solutions.
SA285 Grade B Boiler Sheets and Plates are carbon steel pressure vessel plates that meet ASTM specifications. They typically consist of carbon (up to 0.28%), manganese (0.90–1.30%), phosphorus (max 0.035%), and sulfur (max 0.035%). These plates offer moderate tensile strength ranging from 450–620 MPa, with a minimum yield strength of 165 MPa. Their mechanical properties make them ideal for fabrication and welding. With good notch toughness and consistent mechanical behavior under pressure, SA285 Grade B plates are perfect for applications that require dependable performance at lower pressures and temperatures.
Grade : Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength – A285 Gr.B
Width : 1000mm-4500mm
Thickness : 5mm-300mm
Length : 3000mm-18000mm
Production : Hot-Rolled (HR)
Heat Treatment : Rolled / Normalised/N+T/QT
| Element | C % Max | Si % Max | Mn % Max | P % Max | S % Max |
| Gr B | 0.22 | 0.08 – 0.45 | 0.98 | 0.035 | 0.035 |
| Mechanical Property SA285 Grade B | Tensile strength, kis [MPa] | Yield strength, min, kis [MPa] | Elongation in under [50mm], min, % | Elongation in 8inch or under [50mm-200mm], min, % |
| SA285 Gr B | 345-485 | 185 | 28 | 25 |
| GRADE | ASTM | EN | GB |
| Grade B | ASME SA285/285M | – | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
SA285 Grade B Boiler Sheet and Plate offer several key advantages, making them ideal for pressure vessels and boiler applications. They provide excellent weldability, ensuring strong and reliable joints. The steel’s ability to withstand low to moderate-pressure environments ensures safe operation in boilers and heat exchangers. They have good formability, allowing for easy fabrication into complex shapes. The material’s balance of strength and toughness ensures durability in service, while its cost-effectiveness makes it a popular choice for industrial applications requiring a balance of performance and affordability.
These Boiler Sheets and Plates are widely used in industries that need pressure containment, such as boiler manufacturing, heat exchangers, storage tanks, and pressure vessels. Their moderate strength and excellent weldability make them suitable for both fabrication and forming processes. Common applications include refinery vessels, industrial tanks, and other low- to moderate-pressure systems. In the power generation, petrochemical, and oil and gas sectors, these plates are highly valued for their reliability, structural stability, and effectiveness under non-critical pressure and temperature conditions.
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Delhi, India
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