Starc Metals stands out as a top-notch manufacturer and supplier of Duplex Steel S31803 Bars and Rods right here in Canberra, Australia. We take pride in offering high-quality duplex stainless steel products that are celebrated for their remarkable strength, corrosion resistance, and reliability. Our Duplex Steel S31803 bars and rods are meticulously crafted using cutting-edge manufacturing techniques, which guarantees excellent dimensional accuracy, a smooth surface finish, and impressive mechanical performance. Built to endure harsh environments, these bars and rods are perfect for industries like marine, petrochemical, oil & gas, and desalination, where durability and resistance to corrosion are absolutely essential.
Typically, the composition of our Duplex Steel S31803 Bars and Rods includes chromium (21–23%), nickel (4.5–6.5%), molybdenum (2.5–3.5%), and nitrogen, all balanced with iron. This unique blend creates a dual-phase microstructure of austenite and ferrite, giving it double the strength of standard austenitic stainless steels. The material boasts a tensile strength ranging from 620 to 880 MPa, along with good impact toughness and outstanding resistance to pitting, crevice, and stress corrosion cracking. Plus, it offers excellent weldability and maintains structural stability even under high-pressure and high-temperature 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.
You’ll find Duplex Steel S31803 Bars and Rods in a variety of applications, including pressure vessels, heat exchangers, marine equipment, offshore platforms, chemical processing plants, and the pulp and paper industry. They’re also used in structural frameworks and architectural components that demand superior mechanical strength and corrosion resistance. With their exceptional balance of strength, ductility, and corrosion protection, Duplex Steel S31803 Bars and Rods from Starc Metals deliver long-lasting performance and reliability in even the most challenging industrial settings.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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