Home > Duplex Steel > Duplex Steel S31803 Tubing
Fajar Metals, a well-respected manufacturer and supplier based in Jakarta, Indonesia, specializes in high-quality Duplex Steel S31803 Tubing designed for outstanding performance in tough industrial settings. These tubes are commonly utilized in applications that demand high strength and exceptional corrosion resistance, especially in environments rich in chlorides and under high pressure. Thanks to its balanced ferritic-austenitic microstructure, Duplex S31803 tubing boasts double the strength of standard austenitic stainless steel while still offering excellent weldability and toughness. Fajar Metals provides both seamless and welded tubing in a variety of sizes and thicknesses, perfect for oil & gas, chemical processing, desalination, marine, and structural uses.
| 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 Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Tubing in Jakarta, Indonesia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Indonesia, 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.
Duplex Steel S31803 tubing is widely used in industries requiring high strength and corrosion resistance. It is ideal for oil and gas exploration, chemical processing, and marine applications due to its excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Additionally, it is used in heat exchangers, desalination plants, and pressure vessels, where reliability in harsh environments is crucial. Its versatility and durability make it a preferred choice for demanding industrial applications.
