Rupal Metals is a leading manufacturer and supplier company in Delhi, India, catering to the requirements of high-quality Duplex Steel S31803 Bars and Rods. Famous for their excellent strength and corrosion resistance, these bars and rods are designed to cater to harsh industrial standards. Rupal Metals provides precision-made products and timely delivery with a promise of excellence, catering to various industries with dependable and long-lasting Duplex Steel products. Their knowledge and client-focused strategy have established them as a respected name in stainless steel.
Duplex Steel S31803 is a combination of nearly 22% chromium, 5-6% nickel, and 3% molybdenum in an austenitic-ferritic balanced microstructure. With its special composition, it provides higher corrosion resistance and strength. Its mechanical properties include tensile strength around 620-850 MPa and yield strength around 450-600 MPa, with good toughness and fatigue life. The balanced microstructure provides better stress corrosion cracking resistance and makes it suitable for harsh environments.
| 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 are widely used in the chemical processing, oil and gas, and marine industries because of their superior corrosion resistance and strength. They are best suited for the production of valves, pumps, flanges, and structural parts exposed to extreme environments. They are also predominantly used in desalination plants, paper mills, and heat exchangers, where reliability and endurance are the priorities. Their resistance to chloride stress corrosion makes them ideal for seawater use and harsh chemical environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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