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 |
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We offer These Duplex Steel S31803 Bars as per DIN, ISO, JIS or ANSI Standard.
Water resistance: Duplex Steel S31803 bars exhibit excellent water resistance due to their balanced composition of austenitic and ferritic phases. This dual-phase structure enhances corrosion resistance, making them ideal for applications in marine environments, offshore platforms, and chemical processing plants where exposure to water and corrosive agents is prevalent, ensuring long-term durability.
High-temperature resistance: Duplex Steel S31803 bars demonstrate remarkable high-temperature resistance, maintaining structural integrity and mechanical properties at elevated temperatures up to 600°C (1112°F). Their dual-phase microstructure provides enhanced strength, creep resistance, and oxidation resistance, making them suitable for demanding applications in industries such as petrochemical, power generation, and automotive exhaust systems.
Strength and toughness: Duplex Steel S31803 bars offer a unique combination of strength and toughness. Their dual-phase microstructure provides high tensile strength, excellent resistance to stress corrosion cracking, and superior toughness, even at low temperatures. This balance ensures reliable performance in demanding environments such as structural components, pressure vessels, and oil and gas pipelines.
Versatility: Duplex Steel S31803 bars are highly versatile, offering a broad range of applications across various industries. With exceptional corrosion resistance, high strength, good weldability, and resistance to chloride stress corrosion cracking, they find utility in offshore platforms, chemical processing, pulp and paper production, desalination plants, and architectural structures.
Chemical Compatibility: Duplex Steel S31803 bars exhibit excellent chemical compatibility, resisting corrosion from a wide range of aggressive media including acids, alkalis, and chloride solutions. Their dual-phase microstructure enhances resistance to pitting and crevice corrosion, making them suitable for applications in chemical processing, oil and gas production, and wastewater treatment facilities.
Duplex Steel S31803 Bars applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries 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 are widely used in the oil and gas industry, such as offshore platforms, subsea pipelines, and components in gas processing plants. Provide resistance to corrosion, erosion and stress corrosion cracking in strong areas.
Chemical applications: Duplex steel S31803 are found in applications in the chemical industry, where they are essential to resist corrosion caused by various chemicals. They are used in reactors, heat exchangers and storage tanks.
Desalination Plants: Duplex steel S31803 bars are used in desalination plants for marine water transportation systems, pumps and valves due to their resistance to chloride-induced stress corrosion cracking and pitting.
Marine Applications: Duplex stainless steel S31803 bars are used in marine environments for high strength, corrosion resistance and durability in seawater
Structural Materials: In structural engineering, buildings and bridges are constructed of double steel structures where a combination of high strength and corrosion resistance is required, especially in violent areas like coastal areas.
Properties: Understand the properties of duplex S31803 steel, such as corrosion resistance, mechanical strength, and hardness. Duplex steels offer a combination of the properties of austenitic and ferritic stainless steels, making them suitable for a variety of applications.
Usage Requirements: Specify how you want to use the tapes. Duplex steel S31803 is commonly used in the oil and gas, chemical processing, marine engineering, and pulp and paper industries. Different materials may require specific properties such as resistance to corrosion, high temperature, or mechanical stress.
Standards and Specifications: Ensure duplex steel meets relevant industry standards and specifications. Standards for 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: Consider the size and thickness of the cables you need for your application. Duplex steel S31803 frames are available in different shapes (round, rectangular, rectangular) and shapes. Choose the designs that best suit your project’s needs.
Surface Finish: Decide on the surface finish required for the bands. Double-sided steel bars can be supplied in various finishes, such as hot rolled, cold drawn, rough turned, or polished. The finish can affect the wood’s appearance, corrosion resistance, and mechanical performance.
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