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Elvis Nickel Alloys is the leading manufacturer and distributor of Duplex Steel S31803 tubing in Texas, USA. Renowned for its superior corrosion resistance, strength, and durability, Duplex Steel S31803 is ideal for a wide range of demanding industrial applications. At Elvis 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 % |
Our Duplex Steel S31803 Tubing features a well-balanced chemical composition, consisting of about 22% chromium, 5-6% nickel, 3% molybdenum, and nitrogen. This unique blend offers outstanding corrosion resistance, especially against stress corrosion cracking and pitting. The tubing boasts impressive mechanical strength, with a yield strength around 450 MPa and tensile strength exceeding 620 MPa. It also maintains good toughness and ductility at low temperatures, along with exceptional fatigue strength. These characteristics make our Duplex Steel S31803 Tubing perfect for high-pressure and corrosive service conditions.
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Our Duplex Steel S31803 Tubing is widely utilized in critical applications that demand both strength and corrosion resistance. This includes offshore oil and gas platforms, subsea pipelines, heat exchangers, pressure vessels, and desalination plants. Additionally, it finds use in chemical processing, pulp and paper industries, and marine environments where resistance to chloride-induced corrosion is crucial. With its robust performance in extreme conditions, Duplex Steel S31803 Tubing is the go-to choice for structural and process applications in industries that prioritize reliability and longevity.
