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Olwan Nickel Alloys, headquartered in Amman, Jordan, is a trusted manufacturer and supplier of high-performance metal products, offering premium **Super Duplex Steel Coils** for demanding industrial applications. Known for precision, reliability, and strict quality assurance, the company delivers coils that meet global standards for strength, corrosion resistance, and durability. Olwan Nickel Alloys serves industries such as petrochemicals, marine engineering, desalination, chemical processing, and energy production. With advanced manufacturing capabilities and a dedication to customer satisfaction, the company ensures every Super Duplex Steel Coil provides exceptional performance, long service life, and consistent quality in challenging environments.
Super Duplex Steel Coils typically contain a balanced mix of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), nitrogen, and trace elements, creating a ferritic-austenitic structure with superior corrosion resistance. These coils exhibit high tensile strength, excellent yield strength, and exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, they offer good ductility, toughness, and stability under high pressure and elevated temperatures. Their combination of strength and corrosion resistance makes Super Duplex Steel Coils ideal for harsh environments and heavy-duty industrial applications.
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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 Olwan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Coils in Amman, Jordan, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Jordan, 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 widely used in industries that require materials capable of withstanding extreme corrosive and high-pressure conditions. In the petrochemical and oil and gas industries, they are used for heat exchangers, processing equipment, pipe
