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- Tunis, Tunisia
Home > Duplex Steel > Duplex Steel Pipes S31803
Samia Pipes and Tubes is a trusted manufacturer and supplier of Duplex Steel Pipes S31803, operating from Tunis, Tunisia. This grade, also known as 2205, is engineered to deliver exceptional strength and corrosion resistance where ordinary stainless steel would fail. Crafted with precise dimensional control, advanced manufacturing techniques, and strict quality inspection, Samia Pipes and Tubes provides pipes that excel under high pressure, aggressive chemicals, and harsh environmental conditions. Industries rely on these pipes for their durability, long-term performance, and ability to withstand demanding applications in oil and gas, chemical, marine, and industrial systems.
The Duplex Steel Pipes S31803 feature a well-balanced austenitic-ferritic structure, enriched with chromium, nickel, molybdenum, and nitrogen. This unique composition provides them with exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich settings. On the mechanical side, S31803 pipes boast high tensile strength, excellent yield strength, and remarkable toughness. Their dual-phase microstructure ensures good weldability, dimensional stability, and resistance to fatigue and erosion. These characteristics make Duplex Steel Pipes S31803 an excellent fit for high-pressure and corrosive service environments.
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
Types : Seamless / Fabricated
| 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; |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Duplex Steel Pipes S31803 from Samia Pipes and Tubes ensures high quality and durability, as these pipes offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in stainless steel products ensures you receive a top-tier solution tailored to your needs.
Samia Pipes and Tubes, one of the largest suppliers of Duplex Steel Pipes S31803 in Tunis, Tunisia, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Duplex Steel Pipes S31803 to meet your specific requirements. Our team at Samia Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@samiapipes.com.
You’ll find Duplex Steel Pipes S31803 widely used across various industries where durability and corrosion resistance are crucial. In the oil and gas sector, they’re utilized in offshore platforms, pipelines, and processing units that face seawater and harsh chemicals. Chemical and petrochemical plants rely on them for managing aggressive fluids, acids, and alkalis. Power generation facilities use them in heat exchangers, condensers, and boilers. Moreover, they’re also applied in marine engineering, desalination plants, and the pulp and paper industries. With their impressive mechanical strength and corrosion resistance, Duplex Steel Pipes S31803 are the go-to choice for demanding industrial applications.
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