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Yunus Sheets and Plates, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of high-quality Duplex Steel products, including the well-regarded S31803 Foil. With a strong focus on precision engineering and ensuring customer satisfaction, this company provides exceptional metal solutions tailored for demanding industrial applications. Their Duplex Steel S31803 Foil is celebrated for its impressive corrosion resistance, high strength, and durability, making it a perfect fit for tough environments. By utilizing advanced manufacturing techniques and strict quality controls, Yunus Sheets and Plates guarantees that every foil adheres to international standards, delivering dependable performance for clients in various sectors, from chemical processing to marine and construction industries.
The Duplex Steel S31803 Foil is primarily made up of 22% chromium, 5–6% nickel, and 3% molybdenum, with added nitrogen to boost its strength and corrosion resistance. Its microstructure features nearly equal parts of austenite and ferrite, providing a unique blend of mechanical and chemical properties. This foil showcases high tensile strength, remarkable toughness, and resistance to stress corrosion cracking, pitting, and crevice corrosion. It can handle elevated temperatures and harsh environments, making it a reliable choice for demanding applications. These qualities make S31803 foil a versatile and durable material for modern industrial use.
ASTM A240, ASME SA240
0.02mm – 5.0mm
3.2mm – 1500mm
NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA.
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex S31803 | 1.4462 | S31803 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 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.
Yunus Sheets and Plates based in Istanbul, Turkey, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Duplex Steel S31803 foil offers numerous advantages, including excellent corrosion resistance, especially in chloride-rich environments. It provides superior strength and durability due to its dual-phase microstructure, which combines ferrite and austenite. This enhances resistance to stress corrosion cracking, pitting, and crevice corrosion. The material also boasts high tensile strength, making it suitable for demanding applications. It is cost-effective compared to more expensive alloys while maintaining high performance. Furthermore, Duplex Steel S31803 foil offers good weldability and formability, making it ideal for industries such as chemical processing, marine, and oil and gas.
Yes, we offer custom sizes for Duplex Steel S31803 Foil to meet specific project needs. Our team at Yunus Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Duplex Steel S31803 Foil finds extensive application across industries that require outstanding strength and corrosion resistance. In chemical and petrochemical plants, it is used in heat exchangers, pressure vessels, and storage tanks that come into contact with corrosive substances. In the marine industry, it plays a crucial role in shipbuilding, offshore platforms, and seawater piping systems. Its resistance to stress corrosion and pitting makes it ideal for desalination plants, water treatment facilities, and industrial piping systems. Additionally, it is utilized in architectural and construction projects where durability and strength are paramount.
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