Home > Super Duplex Steel > Super Duplex Steel Coil
Adarsh Nickel Alloys stands out as a reliable manufacturer and supplier based in Delhi, offering top-notch Super Duplex Steel Coil solutions to a variety of industries. Thanks to their modern facilities, skilled workforce, and rigorous quality checks, the company guarantees consistent performance, precise dimensions, and dependable delivery. They source only certified raw materials and adhere to international standards to meet tough corrosion and strength demands. With a customer-centric approach, competitive pricing, and solid technical support, Adarsh Nickel Alloys has become a go-to partner for both domestic and export markets, providing coils that boost durability, efficiency, and long-term value for critical applications across the energy, chemical, marine, infrastructure, and engineering sectors worldwide.
Super Duplex Steel Coil features a well-balanced austenitic-ferritic microstructure enriched with high levels of chromium, molybdenum, and nitrogen. Its typical composition includes about 22–26% chromium, 3–5% molybdenum, and controlled nickel, which significantly enhances its pitting resistance and strength. On the mechanical side, Super Duplex Steel Coil boasts impressive yield and tensile strength, excellent fatigue resistance, and good impact toughness. The dual-phase structure provides outstanding corrosion resistance, stress corrosion cracking resistance, and stability even under high pressure and elevated temperatures. These attributes ensure reliability, safety, and a long service life in harsh environments and demanding industrial operations around the globe.
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Standard |
ASTM A240 / ASME SA240 |
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Thickness |
0.2mm – 5.0mm |
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Width |
3.2mm – 1500mm |
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Length |
AS PER CUSTOMER’S REQUIREMENT |
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Test Certificate |
Yes |
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Coils Hardness |
Half Hard, Quarter Hard, Soft, Hard, Spring Hard |
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Finish |
Hot rolled Coils (HR), Cold rolled Coils (CR), NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA. |
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Form |
Coil / Strip |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Super Duplex Steel Coils | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| Super Duplex Steel Coils | 7.8 | 0.281 | 1350 | 2460 |
At Adarsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Coils in Delhi, India, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the India, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Super Duplex Steel Coil is extensively utilized in applications where exceptional strength and corrosion resistance are crucial. You’ll find it in oil and gas pipelines, offshore platforms, heat exchangers, pressure vessels, and chemical processing equipment. It’s also a top choice for desalination plants, marine structures, pulp and paper mills, and power generation systems. The coil form is ideal for fabricating plates, pipes, and other components, making it a versatile option for various industries that require durable and reliable materials.
