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Boikanyo Sheets and Plates, based in Cape Town, South Africa, stands out as a dependable manufacturer and supplier of **SA285 Grade B Boiler Sheet and Plate** products. Designed specifically for pressure vessels and boiler applications, these carbon steel plates come in a variety of thicknesses and sizes to cater to both standard and custom project needs. Boikanyo has built a reputation for providing materials that adhere to strict ASME standards, prioritizing quality assurance and traceability. With advanced processing capabilities and a commitment to responsive service, Boikanyo Sheets and Plates has earned its place as a trusted provider of boiler-grade steel plate solutions throughout Southern Africa and beyond.
**SA285 Grade B** is a carbon steel material recognized under ASME standards for pressure vessel applications. It boasts moderate strength and excellent weldability. The typical chemical makeup includes carbon (≤0.28%), manganese (0.90–1.30%), phosphorus (≤0.035%), and sulfur (≤0.035%). Its mechanical properties feature a **minimum tensile strength of 450–620 MPa** and a **yield strength of 185 MPa**. This grade is supplied in a normalized state to improve ductility and toughness. While SA285 Grade B isn’t designed for high-pressure or high-temperature service, it’s perfect for low- and intermediate-pressure vessels and welded steel structures.
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 Boiler Sheets and Plates are primarily used in manufacturing pressure vessels, boilers, and other high-temperature applications where strength and durability are critical. Commonly found in industries such as power generation, chemical processing, and petroleum refining, this material offers excellent weldability and ease of fabrication. Its resistance to moderate pressures and temperatures makes it ideal for constructing tanks, heat exchangers, and steam pipes, ensuring reliable performance in demanding conditions while maintaining structural integrity over time.
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