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Daksh Sheets and Plates are leading manufacturer and supplier of these high-quality alloy steel plates, specifically crafted for high-temperature applications in pressure vessels and heat exchangers. With a well-balanced chromium-molybdenum composition, Grade 12 offers fantastic corrosion resistance, excellent weldability, and impressive strength under heat and pressure. Class 1 plates provide enhanced ductility, while Class 2 plates are all about superior tensile strength. We can customize sizes to meet the needs of various industries, including power generation, oil refining, petrochemicals, and thermal processing.
When it comes to composition and mechanical properties, ASME SA 387 Grade 12 steel typically includes 0.80–1.25% chromium and 0.44–0.65% molybdenum, along with controlled amounts of carbon, manganese, silicon, phosphorus, and sulfur. These elements work together to give the steel outstanding resistance to oxidation and thermal fatigue. Class 1 plates boast a minimum yield strength of 275 MPa and a tensile strength ranging from 415 to 585 MPa, while Class 2 plates take it up a notch with a yield strength of 310 MPa and tensile strength between 450 and 620 MPa. To ensure top performance in high-temperature, pressure-bound environments, these plates are normalized and tempered for enhanced toughness and creep resistance.
| Grade | ASME SA 387 GR.12 CL.1/2 Alloy Steel Plate |
|---|---|
| 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 |
| Process of Manufacturing | Hot-Rolled (HR) |
| C | Mn | P | S | Si | Cr | Mo |
| 0.04 – 0.17 | 0.35 – 0.73 | 0.035 | 0.035 | 0.13 – 0.45 | 0.74 – 1.21 | 0.4 – 0.65 |
| A387 / SA387 Grade 12 | Class 1 | Class 2 |
| Tensile Strength (ksi) | 50-80 | 65-85 |
| Tensile Strength (MPa) | 380-550 | 450-585 |
| Yield Strength (ksi) | 33 | 40 |
| Yield Strength (MPa) | 230 | 275 |
| Elongation in 50mm (%) | 18 | 19 |
| Elongation in 50mm (%) | 22 | 22 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Daksh Sheets and Plates based in Hyderabad , India, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
ASME SA 387 Grade 12 Class 1 & 2 sheets and plates offer numerous advantages for high-temperature and pressure applications. They provide exceptional thermal stability and resistance to oxidation and corrosion, ensuring durability in harsh environments. The chromium-molybdenum alloy enhances strength and creep resistance, making these plates ideal for boilers, heat exchangers, and pressure vessels. Their adaptability to welding and machining processes ensures ease of fabrication. Compliance with ASME standards ensures reliability and performance, delivering long-lasting solutions for industries like petrochemicals, power generation, and refineries. These plates optimize safety and operational efficiency.
Yes, we offer custom sizes for ASME SA 387 Grade 12 Class 1 & 2 Sheet and Plates to meet specific project needs. Our team at Daksh Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@dakshsheetsandplates.co.in
ASME SA 387 Grade 12 Class 1 & 2 Sheets and Plates are essential in the construction of pressure vessels, boilers, heat exchangers, and headers for thermal and petrochemical plants. They excel in applications that demand high strength, corrosion resistance, and durability in extreme conditions involving steam and hydrocarbon processing. Class 1 plates are perfect for projects that require better workability and ductility, while Class 2 plates are the go-to choice for designs that need enhanced mechanical strength. Their reliable performance makes them a favorite in the industry!
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