Neil Metals is a reputable manufacturer and supplier of top-notch Duplex Steel S31803 Bars and Rods, proudly based in Kolkata, India. Known for their reliability and commitment to excellence, Neil Metals provides products that not only meet international standards but also cater to a wide range of industrial needs. Their Duplex Steel S31803 Bars and Rods are celebrated for their outstanding corrosion resistance, impressive strength, and long-lasting durability, making them perfect for even the toughest environments. With cutting-edge manufacturing techniques and a strong focus on quality, Neil Metals guarantees timely deliveries and tailored solutions to fit the unique requirements of clients across various sectors.
These Duplex Steel S31803 Bars and Rods are crafted from a well-balanced blend of austenite and ferrite phases, featuring around 22% chromium, 5–6% nickel, 3% molybdenum, and nitrogen to boost strength and corrosion resistance. They boast remarkable mechanical properties, including a tensile strength of about 620 MPa, yield strength of 450 MPa, and an elongation of roughly 25%. This steel is known for its high fatigue resistance, excellent toughness, and good weldability. These qualities make Duplex S31803 a versatile choice for high-stress, corrosive, and structural applications across various industries.
| 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 sectors like chemical processing, marine, oil and gas, pulp and paper, and desalination plants, thanks to their exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. These bars and rods are often utilized in structural frameworks, pressure vessels, heat exchangers, and piping systems that face harsh conditions. Their impressive strength and durability also make them ideal for offshore platforms and subsea equipment. Plus, they’re used in food processing facilities and architectural projects where both aesthetics and performance are key.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Neil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kolkata, India
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