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Xuan Nickel Alloys, a top-notch manufacturer and supplier based in Da Nang, Vietnam, proudly presents its high-quality Duplex Steel S31803 Tubing, crafted for exceptional performance in tough and corrosive environments. With a commitment to precision and international standards, this tubing boasts remarkable resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion. Offered in both seamless and welded options, along with a variety of sizes and wall thicknesses, Duplex Steel S31803 Tubing guarantees reliability, durability, and a long lifespan. It’s a popular choice across industries like chemical processing, oil and gas, marine, desalination, and power generation.
The composition of Duplex Steel S31803 Tubing features a well-balanced microstructure of austenite and ferrite, with key alloying elements including Chromium, Nickel, Molybdenum, and Nitrogen. This unique blend not only provides outstanding corrosion resistance but also delivers double the strength of traditional austenitic stainless steels. On the mechanical side, Duplex Steel S31803 Tubing showcases high tensile strength, excellent toughness, superior fatigue resistance, and stability even under high pressure and temperature changes. Its combination of strength and corrosion resistance makes it a go-to option for critical industrial applications.
| 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 % |
At Xuan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Tubing in Da Nang, Vietnam, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Vietnam, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
In industries that require strong, corrosion-resistant, and high-strength materials, Duplex Steel S31803 Tubing is widely utilized. In chemical and petrochemical plants, it finds its place in heat exchangers, pressure vessels, and process piping that come into contact with aggressive chemicals. The oil and gas sector relies on it for offshore platforms, subsea pipelines, and refineries, where resistance to seawater and sour gas is crucial. The marine and desalination industries use Duplex Steel S31803 Tubing in pumps, valves, and structural systems that face chloride-rich environments. Additionally, power generation facilities depend on it for turbines, boilers, and high-pressure systems, ensuring efficiency, safety, and durability even in extreme conditions.