Home > Super Duplex Steel > Super Duplex Steel Coil
Wai Nickel Alloys, based in Naypyidaw, Myanmar, has made a name for itself as a leading manufacturer and supplier of high-quality Super Duplex Steel Coils. These coils are well-known for their outstanding corrosion resistance, impressive mechanical strength, and durability even in the toughest conditions. Thanks to cutting-edge technology and rigorous quality control, Wai Nickel Alloys guarantees that each coil meets international performance and reliability standards. With a strong focus on innovation, precision, and customer satisfaction, the company delivers top-notch Super Duplex Steel Coils for a variety of industries, including chemical processing, marine, oil and gas, and construction.
Super Duplex Steel Coils are made up of chromium (24–26%), nickel (6–8%), molybdenum (3–4%), and nitrogen, which together provide remarkable resistance to pitting, crevice, and stress corrosion cracking. They boast a tensile strength of about 800 MPa and a yield strength of 550 MPa, along with excellent fatigue and impact resistance. The unique dual-phase microstructure, featuring both ferrite and austenite, strikes a perfect balance between strength and corrosion resistance, ensuring top performance in high-pressure and chemically aggressive 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 Wai Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Coils in Naypyidaw, Myanmar, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Myanmar, 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 Super Duplex Steel Coils find extensive applications in industries that require high strength and resistance to corrosive conditions. They’re perfect for fabricating heat exchangers, pressure vessels, storage tanks, and piping systems in the chemical and petrochemical fields. In marine and offshore sectors, these coils are utilized for structural components and seawater handling systems. Moreover, they play a crucial role in desalination plants, oil refineries, and power generation units, where their exceptional corrosion resistance and durability guarantee reliable service even under extreme operational conditions.
