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Hassan Sheets and Plate, located in Riyadh, Saudi Arabia, stands out as a leading manufacturer and supplier of top-quality metal products, catering to industries that require strength, resistance to corrosion, and long-lasting durability. One of their standout products is the **Duplex Steel S31803 Circle**, a high-performance component crafted for challenging environments. Renowned for its exceptional mechanical strength and resistance to stress corrosion cracking, this circle is perfect for applications in the chemical, marine, and oil & gas sectors. Hassan Sheets and Plate is committed to ensuring that every product adheres to global quality standards, providing reliable and precisely engineered solutions for both structural and industrial needs.
The **Duplex Steel S31803 Circle** is composed of an alloy that includes about 22% chromium, 5–6.5% nickel, 3% molybdenum, and nitrogen, resulting in a dual-phase microstructure of austenite and ferrite. This unique composition delivers high tensile strength (around 620 MPa), outstanding resistance to pitting and crevice corrosion, and good weldability. The material excels in chloride-rich environments and maintains impressive impact toughness at both high and low temperatures, making it suitable for high-stress and corrosive conditions.
| Standard | ASTM A240, ASME SA240 |
| Dimensions | ASTM, ASME and API |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc. |
| Thickness | 1 Mm To 100 mm. |
| Diameter | Upto 2000 Mm. |
| Circle Diameter | 3″ DIA up to 38″ DIA 1500 lbs max. |
| Circles Form | Cold Rolled, Small Flat, Industrial, Proof Machined, Perforated, Forged Steel, Cnc Finish, Polished Unique, Hot Rolled Circle.. |
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 1803 | 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.
Hassan Sheets and Plates based in Riyadh, Saudi Arabia, 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 Circles offer several advantages, making them ideal for industrial applications. Their dual-phase microstructure provides exceptional strength and toughness, outperforming many conventional stainless steels. These circles have excellent corrosion resistance, especially against pitting, crevice corrosion, and stress corrosion cracking, even in harsh environments. They exhibit superior thermal conductivity and low thermal expansion, ensuring stability under temperature fluctuations. With high weldability and machinability, they are suitable for complex fabrication. Additionally, Duplex S31803 Circles offer a cost-effective solution due to reduced material thickness without compromising durability and performance.
Yes, we offer custom sizes for Duplex Steel S31803 Circle to meet specific project needs. Our team at Hassan 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 Circles** find extensive use in pressure vessels, heat exchangers, flanges, and pump components across industries like petrochemical, marine, offshore, and chemical processing. Their remarkable resistance to corrosion and high mechanical strength make them ideal for tough operating environments, particularly those involving seawater or acidic substances. These circles are also valuable in the paper and pulp industries, desalination plants, and structural components, providing a long service life, lower maintenance requirements, and dependable performance in demanding applications.
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Riyadh, Saudi Arabia
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