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 Sumakhsteel, we take great pride in being the largest supplier and manufacturer in the USA, delivering advanced solutions for every piping requirement you have. With cutting-edge manufacturing facilities strategically positioned across the USA, we maintain an extensive stock of more than 25,000 tons of top-grade materials kept ready and on hand.
Reach out to us to receive a fast quote tailored to 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 resistance to water thanks to their well-balanced makeup of austenitic and ferritic phases. This two-phase structure boosts corrosion resistance, making the bars 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, holding their structural integrity and mechanical properties at raised temperatures up to 600°C (1112°F). Their two-phase microstructure delivers greater strength, creep resistance, and oxidation resistance, making them well-suited to challenging uses in sectors like petrochemical, power generation, and automotive exhaust systems.
Strength and toughness: Duplex Steel S31803 bars provide a distinctive blend of strength and toughness. Their two-phase microstructure delivers high tensile strength, outstanding resistance to stress corrosion cracking, and superior toughness, even in low-temperature conditions. This equilibrium 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, providing 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 show 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, making them fitting for use in chemical processing, oil and gas production, and wastewater treatment facilities.
Duplex Steel S31803 Bars have applications that are as varied as the industries relying on them, led chiefly by the aerospace, railway, construction and automotive industries 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 broad use in the oil and gas sector, including offshore platforms, subsea pipelines, and parts within gas processing facilities. They offer resistance to corrosion, erosion, and stress corrosion cracking across demanding environments.
Chemical applications: Duplex steel S31803 is found in chemical industry applications, where it plays a key role in withstanding corrosion produced by a range of chemicals. It serves in reactors, heat exchangers, and storage tanks.
Desalination Plants: Duplex steel S31803 bars serve in desalination plants for seawater transport systems, pumps, and valves thanks to their resistance to chloride-induced stress corrosion cracking and pitting.
Marine Applications: Duplex stainless steel S31803 bars are applied in marine settings for their high strength, corrosion resistance, and durability in seawater
Structural Materials: Within structural engineering, buildings and bridges are built using duplex steel structures wherever a mix of high strength and corrosion resistance is needed, particularly in harsh locations such as coastal areas.
Properties: Get familiar with the characteristics of duplex S31803 steel, including corrosion resistance, mechanical strength, and hardness. Duplex steels provide a blend of the qualities found in austenitic and ferritic stainless steels, which makes them appropriate for numerous applications.
Usage Requirements: Define how you plan to use the tapes. Duplex steel S31803 sees frequent use across the oil and gas, chemical processing, marine engineering, and pulp and paper industries. Various materials might call for particular properties like resistance to corrosion, high temperature, or mechanical stress.
Standards and Specifications: Confirm that duplex steel conforms to the applicable industry standards and specifications. Standards covering duplex steel include ASTM A276 for stainless steel bars and ASTM A182 for forged or rolled alloy-steel pipe flanges, forged fittings and valves.
Size and thickness: Think about the size and thickness of the cables required for your application. Duplex steel S31803 frames come in a range of shapes (round, rectangular, rectangular) and shapes. Pick the designs that best match your project’s needs.
Surface Finish: Determine the surface finish needed for the bands. Double-sided steel bars can be provided in a variety 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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