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Based in Chennai, India, Kunj Sheets and Plates is a top producer and supplier of SA537 Class 2 Boiler Sheets and Plates. Kunj is well-known for meeting the exacting requirements of the boiler and pressure vessel industries by providing boiler-quality steel plates of the highest calibre. Excellent toughness, durability, and resistance to high temperatures and pressures are characteristics of SA537 Class 2 plates. Serving industries like oil and gas, petrochemical, power generation, and other heavy engineering applications both domestically and internationally, Kunj boasts cutting-edge manufacturing facilities and a commitment to quality compliance, ensuring that its products meet international standards.
Carbon (0.24% maximum), manganese (1.10–1.60%), silicon (0.13–0.45%), and trace amounts of phosphorus and sulphur make up SA537 Class 2 Boiler Sheet and Plate, a carbon-manganese-silicon steel plate. The mechanical strength of this material is increased by heat treatment. It has a tensile strength of 620–795 MPa and a minimum yield strength of 450 MPa. The plates are perfect for use in pressure vessels that are subjected to high temperatures and pressures because they offer exceptional notch toughness. It is dependable in applications requiring exceptional structural integrity and safety due to its heat-treated property.
Grade : ASME SA 537 CL.2 Boiler and Pressure Vessel Steel Plates
Width : 1000mm-4500mm
Thickness : 5mm-150mm
Length : 3000mm-18000mm
Supply Condition : As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement.
Impact tested : -52° C
Tempering : Notch toughness can be improved by quenched cooling from hot rolling or normalizing by the supplier. If such a faster cooling rate is agreed upon between purchaser and supplier then the steel is also to be tempered at 1200 F.
Applications : Used for Boilers and Pressure Vessels Application.
Process of Manufacturing : Hot-Rolled (HR)
| C | Mn | P | S | Si | Cr | Cu | Ni | Mo | |
| ≤ 40 mm | > 40 mm | ||||||||
| 0.24 max | 0.70/1.35 | 1.00/1.60 | 0.035 | 0.035 | 0.15/0.50 | 0.025 | 0.35 | 0.25 | 0.080 |
| Grade | Heat Treatment | Tensile (MPa) | Yield (MPa) | Elongation |
| SA537 Class 2 | Quenched and tempered | 550–690 | 415 | 22% |
| Steel Grade | JIS | Germany |
| ASTM/ASME | G3115 | DIN17155 |
| A537 / SA537 | SPV36 | 19Mn5 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
SA537 Class 2 boiler sheet and plate offer excellent strength and durability, making them ideal for pressure vessels and boiler applications. They are heat-treated to improve their hardness, ensuring resistance to high-pressure environments and elevated temperatures. The material demonstrates excellent weldability, enabling easy fabrication into complex shapes. Its resistance to corrosion and cracking under stress makes it suitable for harsh industrial environments. Additionally, SA537 Class 2 provides good toughness and impact resistance, ensuring long-term reliability in demanding applications such as power plants and chemical processing.
Industries that need strong, durable materials for vital applications make extensive use of SA537 Class 2 Boiler Sheets and Plates. Pressure vessels, heat exchangers, reactors, and storage tanks are frequently used in industries like chemical processing, petrochemicals, and oil and gas. They are also utilised in high-pressure systems and steam boilers in power plants. These plates are perfect for settings where performance and safety are crucial because of their high tensile strength and resilience in harsh environments. They are appropriate for manufacturing high-pressure equipment and heavy-duty structural components due to their impact resistance and weldability.
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