Home > Super Duplex Steel > Super Duplex Steel Coil
Chanathip Nickel Alloys is a well-known manufacturer and supplier of Super Duplex Steel Coils in Bangkok, Thailand. Our coils are designed to offer exceptional strength, strong corrosion resistance, and long-lasting durability. They are perfect for demanding industrial settings. With high levels of chromium and molybdenum, Super Duplex Steel Coils resist compression, stress corrosion cracking, pitting, and erosion, even in tough conditions. These coils are commonly used in offshore oil and gas platforms, chemical plants, medical systems, and marine environments, ensuring reliable performance. At Chanathip Nickel Alloys, we focus on providing high-quality solutions that meet international standards.
Super Duplex Steel Coils contain a balanced mix of about 25% chromium, 7% nickel, 3 to 4% molybdenum, and nitrogen for improved strength. This mixture gives them strong resistance to chloride-induced corrosion and aggressive chemicals. Their dual-phase microstructure, which includes both austenitic and ferritic structures, delivers high tensile strength, good yield strength, and strong fatigue resistance. They also demonstrate good impact toughness and excellent resistance to stress corrosion cracking, pitting, and erosion. With high thermal stability and durability, Super Duplex Steel Coils perform well in high-pressure, high-temperature, and corrosive settings, making them a reliable choice for important industrial tasks.
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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 Chanathip Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Coils in Bangkok, Thailand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Thailand, 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 commonly used in industries where strength, corrosion resistance, and long service life are crucial. In the oil and gas sector, they are important for subsea pipelines, offshore platforms, and risers, constantly exposed to seawater and high pressures. Chemical processing plants use them in heat exchangers, pressure vessels, and storage tanks because of their resistance to harsh chemicals. They are also essential in desalination facilities for seawater handling, marine engineering applications, and power generation plants. Their strong performance under extreme operating conditions ensures safe and durable solutions for vital industrial infrastructures.
