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Barsham Nickel Alloys is a leading Qatar-based manufacturer and distributor of Duplex Steel Pipes. With outstanding strength and high corrosion resistance, these pipes are best suited for demanding industrial use in petrochemical, marine, and oil & gas industries. Duplex Steel Pipes are a special blend of austenitic and ferritic stainless steel, providing longevity and performance in extreme conditions. Barsham Nickel Alloys ensures that it provides quality products which are international standard, hence a preferred choice for companies seeking trustworthy and efficient piping services.
Duplex steel pipes provide high strength and superior corrosion resistance, especially against stress corrosion cracking and pitting. They have the best characteristics of austenitic and ferritic stainless steels, which lead to improved durability and toughness. The pipes have good weldability and formability and are suitable for harsh environments such as offshore, chemical processing, and petrochemical industries. Duplex steel also has a longer lifespan and is cost-effective because of lower material thickness requirements without compromising structural integrity.
| Specifications | Cr | Ni | Mo | N | Mn | W | Cu |
| 2101 LDX | 21.5 | 1.5 | 0.3 | 0.22 | 5 | – | – |
| DX2202 | 23 | 2.5 | 0.3 | 0.2 | 1.5 | – | – |
| RDN 903 | 20 | 1.8 | 0.2 | 0.11 | 4.2 | – | – |
| 2304 | 23 | 4.8 | 0.3 | 0.10 | – | – | – |
| 2205 | 22 | 5.7 | 3.1 | 0.17 | – | – | – |
| Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Ni | Cr | Mo | N | Cu |
| S31803 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 | 0.08–0.20 | – |
| S32205 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 22.0–23.0 | 3.0–3.5 | 0.14–0.20 | – |
| S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 | 0.5 |
| Mechanical properties | Tensile,min,ksi[MPa] | Yield,min,ksi[MPa] | Elongation,%(min) | Hardness,HB(max) |
| S31803 | 90 [620] | 65 [450] | 25 | 290 |
| S32205 | 95 [655] | 65 [450] | 25 | 290 |
| S32750 | 116 [800] | 80 [550] | 15 | 300 |
Barsham Nickel Alloys is the biggest manufacturer and supplier of Duplex Steel Pipe in Doha, Qatar. With high-quality, long-lasting, and corrosion-resistant products. Precision and reliability are ensured through our advanced manufacturing technology. We maintain industry standards and supply products on time with excellent customer service. Focused on quality and innovation, we supply reliable solutions to address the changing requirements of our customers.
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Duplex steel pipes find extensive application in high-strength and corrosion-resistant industries like oil and gas, petrochemical, and chemical processing. They are best suited for offshore platforms, pipelines, heat exchangers, and pressure vessels owing to their suitability to withstand tough environments, such as seawater and aggressive chemicals. Duplex steel pipes also find application in desalination plants, power generation, and wastewater treatment plants, where longevity and stress corrosion cracking resistance are of prime importance for long-term operation.