Home > Duplex Steel > Duplex Steel S31803 Bars
| 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. |
| 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 |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for every aspect of your piping requirements. With advanced production facilities strategically positioned in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote on your requirement.
These Duplex Steel S31803 Bars are supplied by us in accordance with DIN, ISO, JIS or ANSI Standard.
Water resistance: Duplex Steel S31803 bars show outstanding water resistance thanks to their balanced blend of austenitic and ferritic phases. This two-phase structure boosts corrosion resistance, which makes them perfect for use in marine settings, offshore platforms, and chemical processing facilities where contact with water and corrosive substances is common, guaranteeing lasting durability.
High-temperature resistance: Duplex Steel S31803 bars display impressive resistance to high temperatures, preserving structural integrity and mechanical properties at elevated temperatures reaching up to 600°C (1112°F). Their two-phase microstructure delivers improved strength, creep resistance, and oxidation resistance, which makes them well-suited for challenging uses in sectors like petrochemical, power generation, and automotive exhaust systems.
Strength and toughness: Duplex Steel S31803 bars provide a distinctive mix of strength and toughness. Their two-phase microstructure yields high tensile strength, outstanding resistance to stress corrosion cracking, and superior toughness, even in low-temperature conditions. This balance guarantees dependable performance in tough environments such as structural components, pressure vessels, and oil and gas pipelines.
Versatility: Duplex Steel S31803 bars are extremely versatile, delivering a wide array of applications throughout numerous industries. With remarkable corrosion resistance, high strength, good weldability, and resistance to chloride stress corrosion cracking, they prove useful in offshore platforms, chemical processing, pulp and paper production, desalination plants, and architectural structures.
Chemical Compatibility: Duplex Steel S31803 bars display excellent chemical compatibility, withstanding corrosion from a broad spectrum of aggressive media including acids, alkalis, and chloride solutions. Their two-phase microstructure improves resistance to pitting and crevice corrosion, which makes them well-suited for uses in chemical processing, oil and gas production, and wastewater treatment facilities.
Duplex Steel S31803 Bars find uses as varied as the industries they support, propelled mainly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Oil and Gas Industries: Duplex steel S31803 bars find extensive use in the oil and gas sector, including offshore platforms, subsea pipelines, and parts within gas processing facilities. They deliver resistance to corrosion, erosion, and stress corrosion cracking in demanding areas.
Chemical applications: Duplex steel S31803 appears in chemical industry applications, where it is vital for withstanding corrosion produced by different chemicals. It is employed in reactors, heat exchangers, and storage tanks.
Desalination Plants: Duplex steel S31803 bars serve in desalination plants for seawater transport systems, pumps, and valves owing to their resistance to chloride-induced stress corrosion cracking and pitting.
Marine Applications: Duplex stainless steel S31803 bars serve in marine settings thanks to their high strength, corrosion resistance, and durability in seawater
Structural Materials: In structural engineering, buildings and bridges are built with duplex steel structures wherever a mix of high strength and corrosion resistance is needed, particularly in harsh zones such as coastal regions.
Properties: Get familiar with the characteristics of duplex S31803 steel, including its resistance to corrosion, mechanical strength, and hardness. Duplex steels blend the qualities of austenitic and ferritic stainless steels, which makes them well-suited for numerous applications.
Usage Requirements: Define how you plan to use the tapes. Duplex steel S31803 finds frequent use across the oil and gas, chemical processing, marine engineering, and pulp and paper industries. Various materials may call for particular properties like resistance to corrosion, high temperature, or mechanical stress.
Standards and Specifications: Verify that the duplex steel complies with the applicable industry standards and specifications. The standards governing duplex steel cover ASTM A276 for stainless steel bars and ASTM A182 for forged or rolled alloy-steel pipe flanges, forged fittings and valves.
Size and thickness: Take into account the size and thickness of the cables required for your application. Duplex steel S31803 frames come in various shapes (round, rectangular, rectangular) and forms. Pick the designs that best match your project’s requirements.
Surface Finish: Determine the surface finish needed for the bands. Double-sided steel bars can be provided in a range of finishes, including hot rolled, cold drawn, rough turned, or polished. The finish can influence the wood’s appearance, corrosion resistance, and mechanical performance.
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