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Based in Chennai, India, Kunj Sheets and Plates is a reputable manufacturer and supplier with a focus on premium SA516 Grade 70 Boiler Sheets and Plates. Kunj offers plates that are perfect for use in pressure vessel and boiler fabrication, and is renowned for its precision manufacturing and adherence to international standards. These plates are a popular option for crucial applications in the petrochemical, oil and gas, and power generation sectors due to their exceptional weldability, notch toughness, and corrosion resistance. Supported by a strong infrastructure and a customer-focused philosophy, Kunj guarantees prompt delivery and reliable quality to satisfy the exacting requirements of business clients.
Carbon (0.27% max), manganese (0.85–1.20%), phosphorus (0.035% max), sulphur (0.035% max), and silicon (0.13–0.45%) make up the majority of SA516 Grade 70 carbon steel plates. With a tensile strength ranging from 485 to 620 MPa and a minimum yield strength of 260 MPa, it provides exceptional strength. The plates are renowned for their exceptional durability and notch toughness in high-pressure settings. They are perfect for boiler and pressure vessel fabrication because of their superior weldability and resistance to brittle fracture at lower 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.
Pressure vessels, boilers and storage tanks used in the petrochemical, chemical processing, oil and gas and power generation industries are frequently made using SA516 Grade 70 Boiler Sheets and Plates. Because of their strength and notch toughness, these plates work incredibly well in moderate to lower-temperature service and are particularly well-suited for welded pressure vessels. Heat exchangers, reactors, steam drums, and separator vessels are a few examples of applications. They are appropriate for crucial structural elements in refinery units, offshore platforms, and thermal power plants due to their superior mechanical qualities and resistance to corrosion.
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