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Marsh Nickel Alloys is the leading manufacturer and distributor of Duplex Steel S31803 tubing in Canberra, Australia. Renowned for its superior corrosion resistance, strength, and durability, Duplex Steel S31803 is ideal for a wide range of demanding industrial applications. AtMarsh Nickel Alloys, we pride ourselves on delivering top-quality products that meet the highest industry standards. Our extensive inventory and commitment to customer satisfaction make us the go-to supplier for Duplex Steel S31803 tubing in the region. Partner with us for reliable and efficient solutions tailored to your specific needs.
| Specifications | : | ASTM A789 ASME SA789 |
| Dimensions | : | ASTM, ASME and API |
| Tube Size | : | 1/2″NB TO 12 “NB IN |
| Specialized in | : | Large Diameter Size |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | : | Seamless / ERW / Welded / Fabricated |
| Form | : | Round, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| S31803 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| S31803 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
**Duplex Steel S31803 Tubing** is crafted from a well-balanced blend of austenitic and ferritic stainless steel, which gives it remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking in challenging environments. This tubing boasts high tensile and yield strength, along with excellent toughness and fatigue resistance, even in extreme temperatures, whether hot or cold. Each tube is meticulously formed, heat-treated, and subjected to thorough testing to ensure it has precise dimensions, consistent wall thickness, and metallurgical integrity, making it perfect for critical piping and process systems.
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When it comes to **Applications of Duplex Steel S31803 Tubing**, you’ll find it in process piping, heat exchangers, condensers, and structural components across the oil and gas, chemical, and petrochemical sectors. In marine and offshore settings, it’s utilized for seawater systems, pumps, and high-pressure pipelines. Power generation facilities also rely on it for boiler feed lines, turbine components, and condenser systems. With its impressive mechanical strength, corrosion resistance, and durability, Duplex Steel S31803 Tubing is truly the ideal solution for industries that demand high-performance and long-lasting tubing options.
