Welcome to Tariku Metals, your trusted partner in Addis Ababa for superior industrial materials. We take pride in manufacturing and supplying high-performance Duplex Steel S31803 Bars and Rods, engineered to meet the rigorous demands of modern industry. As a cornerstone of Ethiopia’s growing industrial sector, we are committed to providing robust, reliable solutions that support the nation’s most ambitious projects, ensuring our clients receive premium quality materials backed by local expertise and a dedication to excellence.
The strength of Duplex Steel S31803 lies in its unique composition and outstanding mechanical properties. This alloy combines a nearly equal blend of austenitic and ferritic stainless steels, rich in chromium, nickel, molybdenum, and nitrogen. This synergy gives it an exceptional yield strength, far surpassing standard stainless steels, along with excellent toughness and impressive resistance to stress corrosion cracking, making it a remarkably durable and dependable material for heavy-duty 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.
These outstanding characteristics make S31803 bars and rods ideal for challenging environments. They are extensively used in the construction of chemical processing plants, offshore oil and gas platforms, and demanding marine applications like shipbuilding. You’ll also find them in desalination units, pulp and paper production, and critical structural components for bridges, all where the combination of high strength and superior corrosion resistance is essential for long-term performance and safety.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Tariku Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Addis Ababa, Ethiopia
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