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Wiraphan Sheets and Plates, located in Bangkok, Thailand, stands out as a trusted manufacturer and supplier of top-notch carbon steel products, including the SA516 Grade 70 Boiler Sheets and Plates. These plates are specifically crafted for pressure vessels and boilers, adhering to strict ASME standards to guarantee exceptional strength, toughness, and weldability. With a commitment to precision and rigorous quality control, Wiraphan’s SA516 Grade 70 sheets and plates are perfect for demanding applications in industries like power generation, petrochemicals, and oil & gas. The company also provides customized sizes and quick delivery to meet various industrial fabrication needs.
SA516 Grade 70 Boiler Sheets and Plates are carbon steel plates known for their enhanced mechanical properties, making them suitable for moderate to high-temperature pressure vessels. The typical chemical makeup includes Carbon (≤0.27%), Manganese (0.7–1.2%), Phosphorus (≤0.035%), Sulfur (≤0.035%), and Silicon (0.15–0.40%). On the mechanical side, this grade boasts a minimum tensile strength of 485–620 MPa and a yield strength of at least 260 MPa. The steel is recognized for its excellent notch toughness, good ductility, and high resistance to brittle fracture, making it ideal for welded constructions that face high pressure and temperature.
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.
You’ll find SA516 Grade 70 Sheets and Plates widely used in the production of boilers, pressure vessels, heat exchangers, storage tanks, and other essential equipment that operate under high-pressure and high-temperature conditions. These plates are commonly utilized in thermal power plants, refineries, chemical processing, and gas plants. Their outstanding mechanical properties and weldability ensure safety and reliability even in harsh environments. Plus, SA516 Grade 70 plates are favored for both new constructions and repair and maintenance projects, providing a long service life and consistent performance.
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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Bangkok, Thailand
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