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In the heart of Manila’s industrial landscape, Diaz Sheetsandplates stands as a dedicated partner for robust fabrication needs, specializing in the trusted SA285 Grade B boiler sheet and plate. We understand that the integrity of your pressure vessels and containment systems is non-negotiable, which is why we are committed to supplying materials that meet rigorous standards. Our role is to provide the foundational strength your projects demand, ensuring reliability and safety from the ground up with quality you can count on.
The composition of SA285 Grade B is a careful balance of carbon, manganese, and other elements, creating a steel known for its dependable performance. This grade is specifically designed to offer excellent strength and durability under pressure, making it a go-to choice for critical applications. Its mechanical properties, including a notable yield and tensile strength, ensure it can handle the significant stresses and high temperatures found in boiler environments without compromising its structural integrity.
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.
SA285 Grade B sheets and plates are the backbone of low to intermediate pressure containment systems, commonly forming the shells and heads of boilers and other pressure vessels. Their reliable nature also makes them suitable for a range of industrial applications beyond boilers, including tanks and similar equipment where controlled internal pressure is a key factor. Essentially, this material is chosen for situations where failure is not an option, providing a safe and durable solution for containing steam, hot water, and other substances.
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