Nestled in the industrial heart of Safat, Kuwait, Nimish Metal has built a strong reputation for providing exceptional materials to the local and regional market. We take particular pride in our supply of Duplex Steel S31803 Bars and Rods, a high-performance alloy chosen by engineers for its outstanding combination of strength and corrosion resistance. Our commitment ensures you receive material that meets the most demanding specifications, backed by reliable service and expert support for your critical projects.
The strength of Duplex Steel S31803 lies in its balanced composition, which blends chromium, nickel, molybdenum, and nitrogen. This specific formula gives the material a two-phase microstructure, resulting in mechanical properties that surpass standard stainless steels. It offers roughly double the yield strength of 304 or 316 grades, along with excellent toughness and good ductility, making it a robust choice for structural components under significant stress.
| 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.
This impressive balance of strength and corrosion resistance makes Duplex S31803 Bars and Rods incredibly versatile. They are a preferred material in demanding environments like offshore oil and gas platforms, chemical processing plants, and desalination units where saltwater exposure is a constant challenge. You will also find them in pulp and paper production, and in architectural components for coastal structures, proving their durability and long-term value in harsh conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nimish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Safat, Kuwait
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