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Based in the industrial heart of Manila, Diaz Sheetsandplates has built a strong reputation as a trusted partner for heavy industry. We specialize in supplying and fabricating premium SA516 Grade 70 boiler quality plates, a material chosen for its exceptional reliability in demanding environments. Our team understands that your projects require materials you can count on, which is why we are committed to providing not just steel, but reliable solutions backed by local expertise and a commitment to stringent quality standards.
The composition of SA516 Grade 70 is carefully balanced, primarily consisting of carbon and manganese with controlled levels of phosphorus and sulfur to ensure purity and strength. This specific chemistry is the foundation for its outstanding mechanical properties, most notably its excellent notch toughness, even at lower service temperatures. This combination gives the plate its signature ability to withstand high pressure and resist brittle fracture, making it a fundamentally safe and durable choice for critical applications.
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.
Because of its proven toughness and reliability, you will typically find SA516 Grade 70 plate at the core of major industrial systems. It is the go-to material for the fabrication of boilers and pressure vessels designed to handle high-pressure steam and gases. Beyond that, its applications extend to critical storage tanks for a wide range of substances and major components within the petrochemical and power generation sectors. Essentially, it’s specified anywhere the consequences of failure are high, making it a cornerstone of safe industrial operations.
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