Home > Super Duplex Steel > Super Duplex Steel Coil
Tanvir Nickel Alloys, a prominent manufacturer and supplier located in Cairo, Egypt, is known for its top-notch Super Duplex Steel Coils. These coils are celebrated for their remarkable strength, resistance to corrosion, and durability, making them perfect for tough industrial settings. Crafted with cutting-edge metallurgical techniques and precise rolling methods, these coils guarantee a consistent thickness, excellent surface finish, and reliable mechanical properties. Tanvir Nickel Alloys supplies Super Duplex Steel Coils for essential uses in the oil and gas, chemical processing, petrochemical, and marine sectors. Their impressive mechanical strength, along with their ability to resist pitting and stress corrosion cracking, ensures they perform well in demanding and high-performance environments.
Super Duplex Steel Coils typically contain around 22–25% chromium, 4–6% nickel, and 3–5% molybdenum, with nitrogen and iron forming the base. They boast a tensile strength between 800 and 1000 MPa, a yield strength of about 550–700 MPa, and an elongation of 25–30%. This alloy is known for its exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, as well as its high toughness and durability. These characteristics make Super Duplex Steel Coils ideal for applications that involve high pressure, high temperatures, and aggressive chemicals.
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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 Tanvir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Coils in Cairo, Egypt, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Egypt, 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.
These coils are extensively utilized in industries that demand materials that are both corrosion-resistant and high-strength. They are perfect for creating heat exchangers, pressure vessels, piping systems, and chemical tanks in oil and gas, petrochemical, and chemical processing facilities. In marine applications, these coils are used for seawater piping, structural components, and offshore platforms. Furthermore, the power generation and desalination sectors rely on Super Duplex Steel Coils for equipment that operates under high pressure and temperature. Their blend of mechanical strength, corrosion resistance, and formability guarantees dependable, long-lasting performance in critical and challenging operational conditions.
