Home > Duplex Steel > Duplex Steel S31803 Pipe
Fajar Metals, a trusted manufacturer and supplier located in Jakarta, Indonesia, specializes in high-quality Duplex Steel S31803 Pipes designed for exceptional strength, durability, and resistance to corrosion in tough environments. Crafted from duplex stainless steel, these pipes blend the best features of austenitic and ferritic steels, making them ideal for aggressive chloride-rich settings. Renowned for their impressive mechanical strength and resistance to stress corrosion cracking, S31803 pipes find extensive use in the oil & gas, petrochemical, marine, and desalination sectors. Fajar Metals offers these pipes in various sizes, wall thicknesses, and specifications tailored to meet critical industrial needs.
Pipe Range : 1 / 2″ NB – 8″ NB
Outer Diameter : 6.0-630mm
Wall Thickness : 0.3mm – 50 mm
Schedules : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Length : Single Random, Double Random & Required Length
Specifications : ASTM A790 / ASME SA790
| Duplex | S31803 |
|---|---|
| Ni | 4.50 – 6.50 |
| Fe | 63.72 min |
| Cr | 22.0 – 23.0 |
| C | 0.030 max |
| Si | 1.00 max |
| Mn | 2.00 max |
| P | 0.030 max |
| S | 0.020 max |
| N | 0.14 – 0.20 |
| Grade | S31803 |
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 2588 – 2669; |
At Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Pipe 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 Pipes S31803 are widely used in industries requiring high strength and corrosion resistance. Common applications include chemical processing, oil and gas, marine environments, and wastewater treatment. Their robustness makes them ideal for handling aggressive chemicals, high-pressure systems, and extreme temperatures. Additionally, these pipes are employed in the construction of heat exchangers, pressure vessels, and pipelines where durability and resistance to stress corrosion cracking are critical. Their versatility ensures reliable performance across diverse and challenging environments.
