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Based in Hamilton, New Zealand, Will Sheetsandplates is a trusted partner for demanding industrial projects, supplying high-quality materials like the SA516 Grade 70 Boiler Sheet and Plate. We understand the critical nature of your work, which is why we ensure our Grade 70 steel is sourced and processed to meet the most rigorous specifications. Our team is dedicated to providing not just a product, but the reliability and expertise needed for the safe and efficient construction of pressure vessels and other high-stress applications.
The chemical composition of SA516 Grade 70 is carefully balanced, primarily consisting of carbon and manganese, to deliver excellent notch toughness and longevity, particularly in moderate to lower temperature service environments. Mechanically, this steel is renowned for its high yield and tensile strength, which provides exceptional resistance to internal pressures and structural loads. These properties make it a preferred choice where material integrity under stress is non-negotiable, forming the backbone of safe and durable equipment.
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 is the go-to material for manufacturing pressure vessels that operate in a wide range of industries, including power generation plants for boilers and associated components. Its reliability also makes it suitable for building storage tanks in the petrochemical sector and other heavy-duty fabrications. Essentially, this plate is specified anywhere the containment of gases or liquids under high pressure is required, ensuring long-term performance and safety in some of the most challenging industrial settings.
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