Mourad Metals is a reliable manufacturer and supplier of Duplex Steel S31803 Bars and Rods, proudly based in Tunis, Tunisia. They cater to a wide range of industrial sectors around the globe. Renowned for their unwavering quality and precision in manufacturing, the company consistently delivers products that adhere to international standards and meet rigorous performance demands. The Duplex Steel S31803 bars and rods from Mourad Metals are known for their impressive strength and outstanding corrosion resistance, making them perfect for challenging environments. With state-of-the-art production facilities, stringent quality control measures, and a strong focus on customer satisfaction, Mourad Metals guarantees dependable supply, precise dimensions, and customized solutions for the engineering, construction, and process industries.
These Duplex Steel S31803 bars and rods boast a well-balanced microstructure of austenite and ferrite, typically featuring around 22% chromium, 5–6% nickel, and about 3% molybdenum, all while maintaining low carbon content. This unique composition offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, S31803 provides high yield and tensile strength, often nearly double that of standard austenitic stainless steels, along with commendable toughness and fatigue resistance. These characteristics ensure durability, load-bearing capacity, and a long service life even in demanding conditions.
| Standard | ASTM A276, ASME SA276 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| 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 |
| Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex S31803 | S31803 | 1.4462 |
Yes, Duplex Steel S31803 rods offer excellent corrosion resistance, particularly against pitting, crevice, and stress corrosion. They are ideal for harsh environments, including marine and chemical applications.
Duplex Steel S31803 bars perform well in high-temperature environments, maintaining strength and resistance to oxidation. They are suitable for applications up to approximately 300°C (572°F).
Yes, Duplex Steel S31803 bars can be customized in size and length to meet specific project requirements. Customization ensures flexibility for various industrial applications.
Duplex Steel S31803 bars and rods find extensive use in industries that require both strength and corrosion resistance in harsh environments. They are commonly utilized in oil and gas equipment, offshore platforms, pressure vessels, heat exchangers, and piping systems. Additionally, they play a vital role in chemical processing plants, desalination units, marine components, and the pulp and paper industry, where exposure to chlorides is a regular occurrence. In structural and mechanical engineering, S31803 bars and rods are prized for their ability to reduce material weight while still delivering top-notch performance. Their versatility makes them an excellent choice for both critical and cost-effective industrial applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Mourad Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Tunis, Tunisia
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