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Super Duplex Steel Sheets and Plates are made up of a balanced duplex microstructure, featuring nearly equal parts of austenite and ferrite phases. The key elements in this alloy include about 25% chromium, 7% nickel, 3-4% molybdenum, and nitrogen, all of which contribute to its strength and resistance to corrosion. The lower carbon content helps minimize carbide precipitation. When it comes to mechanical properties, these materials boast impressive yield and tensile strength compared to regular stainless steels, along with excellent toughness and good weldability. The duplex structure also offers outstanding resistance to chloride stress corrosion cracking and pitting, making it a top choice for demanding environments that require both strength and durability.
Super Duplex Steel Sheets and Plates are a go-to choice in industries that require top-notch performance in harsh, corrosive environments. In the oil and gas as well as petrochemical sectors, these plates are essential for heat exchangers, pressure vessels, and offshore platforms due to their impressive strength and resistance to chloride stress corrosion cracking. They’re also widely used in marine applications for seawater equipment, desalination plants, and various ship components. The chemical processing industry reaps the benefits of their resistance to pitting and crevice corrosion when dealing with aggressive chemicals. Plus, sectors like power generation, pulp and paper, and mining rely on Super Duplex Steel for equipment that demands a long service life, minimal maintenance, and robust mechanical properties.
| Specifications | ASTM A240 / ASME SA240, BS EN 10088-2, en 10028-7, IS 6911 |
| Dimensions | MSRR, AMS, BS, JIS, AISI, ASTM, GB, DIN, EN, etc |
| Size Range | Cold Rolled : 0.5-6.4 mm Hot Rolled : 3.0–10.0 mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Thickness | 0.3 mm to 120 mm |
| International Standard of Sheets | ASTM A480 ASTM A959 ASME IID EN ISO 9445 EN ISO 18286 EN 10051 EN 10088-1 ISO 15510 |
| Tolerances (width / thickness | EN 10258/ DIN 59381 EN 10151 EN 10088 |
| Finish | 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, mirror etc. |
| Hardness | Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
| Form | Sheet, Plain Sheet, Flat Shim, Flat Sheet, Shim Sheet, Rolling Sheet, soft annealed, descaled, sheared, annealed |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Profiling | Plasma Plate Cutting Laser Plate Cutting Oxy-propane Flame Cutting |
| Element | C | Mn | Si | P | S | Cr | Ni | Mo | N | Fe |
| Super Duplex Steel Pipe Fittings | 0.030 max. | 2.00 max. | 1.00 max. | 0.030 max. | 0.020 max. | 21.0 – 23.0 | 4.50 – 6.50 | 2.50 – 3.50 | 0.08 – 0.20 | 63.54 min |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Super Duplex Steel Pipe Fittings | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hashmi Sheets and Plates, located in Doha, Qatar, stands out as a premier supplier and stockist of top-notch metal products. We offer a wide array of items, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all delivered with outstanding service tailored to meet the specific needs of our customers. Our commitment to providing superior products allows us to serve a variety of industries, offering reliable solutions for numerous applications. With our extensive inventory and unique finishing techniques, we pride ourselves on our dedication to quality. Customer satisfaction is our top priority, and we strive to deliver dependable service alongside exceptional products.
Super Duplex Steel Sheets and Plates offer several key advantages, making them ideal for harsh environments. Their excellent corrosion resistance, including resistance to pitting, crevice, and stress corrosion cracking, ensures long-lasting performance in marine, offshore, and chemical processing industries. With a high strength-to-weight ratio, Super Duplex Steel is both strong and durable, providing reliable performance under high-pressure conditions. It also boasts superior weldability, making it easy to fabricate into complex structures. The material’s ability to perform well in extreme temperatures and aggressive chemicals makes it a top choice for critical applications.
Yes, we offer custom sizes for Super Duplex Steel Sheet and Plates to meet specific project needs. Our team at Hashmi Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
| STANDARD | UNS | WERKSTOFF NR. |
| Super Duplex 2507 | S32750 | 1.4410 |
| Sheet & Plate Surface finish | Gauge (in) | Width (max in) |
|---|---|---|
| 2B – Cold rolled, heat treated, pickled, skin passed Plate | 10–24 | 72* |
| 2D – Cold rolled, heat treated, pickled plate | 12–24 | 60 |
| BA Mexinox only | 18–28 | 48 |
| Polished Sheet (not brushed) | 11–24 | 60 |
| Temper rolled Sheet Mexinox only | 13–29 | 48 |
| Plate Thickness (mm) | Weight (kg/m) | kg/meter (width 1200mm) | kg/meter (width 1500mm) | kg/meter (width 1800mm) | kg/meter (width 2400mm) |
| 3 | 23.55 | 28.3 | 35.3 | 42.4 | 56.5 |
| 4 | 31.4 | 37.7 | 47.1 | 56.5 | 75.4 |
| 5 | 39.25 | 47.1 | 58.9 | 70.7 | 94.2 |
| 6 | 47.1 | 56.5 | 70.7 | 84.8 | 113 |
| 8 | 62.8 | 75.4 | 94.2 | 113 | 150.7 |
| 10 | 78.5 | 94 | 118 | 141 | 188 |
| 12 | 94.2 | 113 | 141 | 170 | 226 |
| 16 | 125.6 | 151 | 188 | 226 | 301 |
| 20 | 157 | 188 | 236 | 283 | 377 |
| 22 | 172.7 | 207 | 259 | 311 | 415 |
| 25 | 196.25 | 236 | 294 | 353 | 471 |
| 28 | 219.8 | 264 | 330 | 396 | 528 |
| 32 | 251.2 | 301 | 377 | 452 | 603 |
| 36 | 282.6 | 339 | 424 | 509 | 678 |
| 40 | 314 | 377 | 471 | 565 | 754 |
| 45 | 353.25 | 424 | 530 | 636 | 848 |
| 50 | 392.5 | 471 | 589 | 707 | 942 |
| 55 | 431.75 | 518 | 648 | 777 | 1036 |
| 60 | 471 | 565 | 707 | 848 | 1130 |
| 65 | 510 | 612 | 765 | 918 | 1224 |
| 70 | 549.5 | 659 | 824 | 989 | 1319 |
| 75 | 588.75 | 707 | 883 | 1060 | 1413 |
| 80 | 628 | 754 | 942 | 1130 | 1507 |
| 90 | 706.5 | 848 | 1060 | 1272 | 1696 |
| 100 | 785 | 942 | 1178 | 1413 | 1884 |
Super Duplex Steel Sheets and Plates are widely used in industries requiring high strength and resistance to aggressive environments. In the marine industry, they are utilized for shipbuilding and offshore structures due to their excellent corrosion resistance. They are also critical in chemical processing, petrochemical plants, and desalination facilities, where exposure to harsh chemicals and high pressures is common. Additionally, Super Duplex Steel is used in oil and gas exploration, as well as in structural applications where strength and durability under extreme conditions are essential.
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