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At Nasir Nickel Alloys in Manama, Bahrain, Duplex Steel S31803 Bars are manufactured to provide superior strength, corrosion resistance, and long-lasting durability for demanding industrial applications. Featuring a balanced austenitic-ferritic microstructure, these bars resist pitting, crevice corrosion, and stress-corrosion cracking in chloride-rich and chemically aggressive environments. Precision-engineered for dimensional accuracy and mechanical reliability, Duplex Steel S31803 Bars ensure dependable performance under high-pressure and high-temperature conditions. Suitable for chemical processing, petrochemical, oil and gas, power generation, and marine industries, they deliver robust, high-performance solutions for structural and mechanical applications requiring corrosion-resistant, high-strength metal.
Duplex Steel S31803 Bars are composed mainly of chromium, nickel, molybdenum, and nitrogen, forming a balanced austenitic-ferritic microstructure. This composition provides high tensile and yield strength, excellent toughness, and superior resistance to pitting, crevice corrosion, and stress-corrosion cracking. The bars maintain mechanical integrity, dimensional stability, and reliable performance under thermal cycling, high-pressure, and mechanically demanding conditions. Combining corrosion resistance, high strength, and durability, Duplex Steel S31803 Bars ensure long-lasting and dependable performance in chemical, petrochemical, offshore, marine, and power generation applications where conventional stainless steels may fail.
| Standards | ASTM/ASME SA276/A479 |
|---|---|
| Werkstoff Nr | 1.4462 |
| Range | 10 mm To 350 mm Dia |
| Finish | Bright, Black & Polish |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| UNS S32205 | Ni | Cr | Mo | Mn | Si | C | N | S | P | Fe |
| min | 4.5 | 22.0 | 3.0 | – | – | – | 0.14 | – | – | – |
| max | 6.5 | 23.0 | 3.5 | 2.0 | 1.0 | 0.03 | 0.2 | 0.02 | 0.03 | Balance |
At Nasir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Bars in Manama, Bahrain, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Bahrain, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel S31803 Bars are widely used in industries requiring corrosion-resistant, high-strength, and durable metal for structural and mechanical applications. They are essential in chemical and petrochemical plants for manufacturing shafts, fasteners, flanges, and other critical components exposed to acids, chlorides, and oxidizing chemicals. Oil and gas industries utilize these bars in offshore platforms, subsea pipelines, and high-pressure systems. Power generation facilities employ Duplex Steel S31803 Bars in turbines, boilers, and heat exchangers. Marine and desalination plants rely on them for seawater-resistant structural components. These bars provide dimensional stability, long-term durability, and reliable performance in harsh, corrosive, and high-pressure environments.
