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Boikanyo Sheets and Plates, located in Cape Town, South Africa, stands out as a premier manufacturer and supplier of **SA516 Grade 70 Boiler Sheets and Plates**. These carbon steel plates are specifically crafted for pressure vessels and boilers that operate under moderate to low temperatures, adhering to strict ASME and ASTM standards. With a variety of thicknesses and sizes available, Boikanyo guarantees top-notch quality, precise measurements, and prompt delivery to satisfy the demanding needs of industries like power generation, oil & gas, and chemical processing.
**SA516 Grade 70** is a robust carbon steel plate known for its impressive notch toughness and excellent weldability. It features up to **0.27% carbon**, **0.85–1.20% manganese**, and minimal levels of phosphorus and sulfur. With a minimum yield strength of **260 MPa** and tensile strength ranging from **485 to 620 MPa**, this material is provided in a normalized or normalized and tempered state to boost its toughness and mechanical performance. These characteristics make SA516 Grade 70 ideal for fabricating pressure vessels that must operate safely under varying pressures and temperatures.
Grade : ASME SA 516 GR.70 Boiler and Pressure Vessel Steel Plates
Width : 1250mm-3000mm
Thickness : 3 – 200 mm/ dimensions up to 4.000 mm
Length : 3000mm-11000mm.
Production : Hot-Rolled (HR)
Heat Treatment : Rolled/Normalised/N+T/QT
| C | Si | Mn | P | S | Al | Cr | Cu | Ni | Mo | Nb | Ti | V |
| 0.18 | 0.4 | 0.95/1.50 | 0.015 | 0.008 | 0.02 (Min) | 0.3 | 0.3 | 0.3 | 0.08 | 0.01 | 0.03 | 0.02 |
| Tensile strength (ksi) | Yield strength (ksi) | Elongation min, % 200 mm (8 in) | Elongation min, % 50 mm (2 in) |
| 485-620 (70-90) | 260 (38) | 17 | 21 |
| British Standard | European Norm | ASTM/ASME | DIN |
| BS1501-224-490A/B | EN10028 P355GH | A/SA515 – Grade 70 | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
SA516 Grade 70 Boiler Sheet and Plate offer outstanding advantages, making them ideal for pressure vessels and boilers. They provide excellent strength and durability, ensuring long-term reliability under high pressures and temperatures. Their superior notch toughness enhances performance in low-temperature applications. These plates exhibit exceptional weldability and formability, enabling ease of fabrication. Their high resistance to corrosion and cracking ensures longevity, even in harsh environments. Certified to ASTM standards, they are cost-effective and widely used in industries like oil, gas, and petrochemical processing for consistent performance and quality assurance.
SA516 Grade 70 Boiler Sheets and Plates are widely used in pressure vessels and boilers for industries such as oil and gas, chemical processing, and power generation. Their high tensile strength, toughness, and corrosion resistance are ideal for handling extreme temperatures and pressures. These plates are commonly employed in fabricating storage tanks, heat exchangers, and reactors. Their weldability and adaptability make them suitable for shipbuilding and construction projects where durability and safety are critical.
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