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Nial Sheets and Plates stands out as a top-notch manufacturer and supplier of SA285 Grade B Boiler Sheets and Plates, proudly based in Houston, USA. Known for their commitment to high-quality carbon steel products, Nial serves a variety of industries, including power generation, petrochemical, oil & gas, and pressure vessel manufacturing. Their SA285 Grade B plates are crafted with meticulous attention to quality control, ensuring they provide excellent workability, durability, and weldability. With a focus on timely delivery, competitive pricing, and personalized technical support, Nial has become a go-to choice for boiler and pressure vessel steel needs across the United States and beyond.
SA285 Grade B Boiler Sheets and Plates are carbon steel materials made according to ASTM A285 specifications. This grade features a well-balanced mix of carbon (up to 0.28%), manganese (0.90–1.30%), phosphorus (max 0.035%), and sulfur (max 0.035%). These plates deliver moderate strength, boasting a minimum tensile strength of 380–515 MPa and a yield strength of 165 MPa. Renowned for their impressive notch toughness and formability, SA285 Grade B plates are tailored for low to intermediate-pressure applications. Their excellent weldability and resistance to atmospheric corrosion make them a great fit for boiler and pressure vessel construction.
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 find extensive use in the production of boilers, pressure vessels, storage tanks, and heat exchangers. These plates are perfect for applications that function under low to moderate pressure and temperature conditions, such as in refineries, power plants, chemical processing units, and oil & gas facilities. Their strong weldability and ability to be shaped into complex designs make them ideal for components like shell plates, heads, and reinforcing pads. Additionally, SA285 Grade B steel is widely utilized in structural and fabrication industries where reliable and cost-effective pressure containment is essential.
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Houston, TX 77041
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