Neith Metals, a prominent manufacturer and supplier located in Cairo, Egypt, is all about crafting top-notch Duplex Steel S31803 Bars and Rods. These products are celebrated for their remarkable strength, resistance to corrosion, and long-lasting durability, making them perfect for the rigorous demands of industries around the globe. With state-of-the-art manufacturing facilities and strict quality control processes, Neith Metals guarantees precision engineering that meets international standards. Their dedication to innovation and ensuring customer satisfaction has earned them a solid reputation in the metal industry, catering to sectors like oil and gas, chemical processing, marine, and construction both locally and internationally.
Duplex Steel S31803 Bars and Rods are made up of roughly 22% chromium, 5–6% nickel, 3% molybdenum, along with small amounts of nitrogen, manganese, and silicon. This well-balanced composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, the material boasts high tensile strength (around 620 MPa), a minimum yield strength of 450 MPa, and good elongation at 25%. Its unique dual-phase microstructure—comprising both ferritic and austenitic phases—boosts toughness and weldability, making Duplex Steel S31803 a fantastic option for demanding structural and pressure-containing applications.
| 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.
You’ll find Duplex Steel S31803 Bars and Rods being utilized across a variety of industries thanks to their exceptional mechanical strength and corrosion resistance. In the oil and gas sector, they’re used for pipelines, heat exchangers, and pressure vessels. The chemical and petrochemical industries rely on them for reactors, storage tanks, and process equipment that face corrosive environments. In the marine and offshore sectors, they play a crucial role in propeller shafts, pumps, and desalination plants. Plus, these bars and rods are also essential in construction, power generation, and the paper and pulp industries, ensuring a long service life and reliability even in tough operating conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Neith Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Alexandria, Egypt
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