Home > Super Duplex Steel > Super Duplex Steel Coil
If you’re looking for top-notch manufacturing and supply, Themba Nickel Alloys is where it’s at! Based in Cape Town, Cape Town, this company specializes in high-performance Super Duplex Steel Coils. These coils are famous for their incredible strength, resistance to corrosion, and long-lasting durability, making them perfect for tough industrial needs. Themba Nickel Alloys is all about quality, ensuring their products meet international standards for reliability and longevity, even in the harshest environments. With a strong focus on precision engineering, advanced manufacturing techniques, and keeping customers happy, they cater to a variety of sectors, including marine, chemical, oil & gas, and power generation, both in South Africa and beyond.
Now, let’s talk about Super Duplex Steel Coils. They’re made up of about 25% chromium, 7% nickel, and 4% molybdenum, with a dash of nitrogen thrown in to boost strength and fight off pitting and crevice corrosion. These coils boast fantastic mechanical properties, like high tensile strength and yield strength, along with impressive toughness, even in chilly conditions. Thanks to their unique dual-phase microstructure of austenite and ferrite, they offer superior corrosion resistance compared to regular duplex steels, making them reliable under extreme pressure and in chloride-heavy environments.
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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 Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Coils in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, 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 Coils are a go-to choice for applications that demand outstanding strength and corrosion resistance. They’re perfect for chemical processing plants, desalination facilities, offshore platforms, and marine settings where avoiding stress corrosion cracking is essential. Plus, you’ll find these coils in heat exchangers, pressure vessels, pipelines, and structural components within the oil and gas industries. Their remarkable mechanical and anti-corrosive properties make them the top pick for industries facing aggressive and corrosive conditions, ensuring they last longer and keep maintenance costs down.
