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- Muscat, OMAN
Home > Super Duplex Steel > Super Duplex Steel Pipe
Laila Pipes and Tubes, located in Muscat, Oman, stands out as a top manufacturer and supplier of high-quality Super Duplex Steel Pipes. Known for their precision engineering and unwavering adherence to international standards, this company provides pipes that boast remarkable strength, durability, and resistance to corrosion. Super Duplex Steel Pipes are specially crafted to thrive in highly aggressive and corrosive environments, making them perfect for critical industrial applications. Laila Pipes and Tubes caters to a diverse array of industries throughout Oman and the Gulf region, offering dependable and high-performance piping solutions.
Super Duplex Steel Pipes are mainly made up of about 25% chromium, 7% nickel, 4% molybdenum, and nitrogen, which gives them exceptional resistance to corrosion caused by chlorides. Their unique dual-phase microstructure, consisting of austenite and ferrite, offers excellent toughness and high strength, with tensile strength ranging from 750 to 1000 MPa and yield strength around 550 MPa. These pipes boast superior hardness, impact strength, and good weldability. They excel in high-pressure and high-temperature settings while maintaining excellent resistance to erosion and fatigue, making them a reliable choice for critical industrial applications.
| Specifications | ASTM A 789 ASME SA 789 |
|---|---|
| Standard | AISI, DIN, EN, GB, JIS, ASTM, ASME Super Duplex 2507 Pipe |
| 2507 Seamless Pipe Outer Diameter | 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB |
| Alloy 2507 Welded Pipe size | 5.0 mm – 1219.2 mm |
| 2507 EFW Pipe size | 5.0 mm – 1219.2 mm |
| Thickness | 0.3mm – 50 mm |
| SS 2507 Seamless Tube Size | 3.35 mm OD To 101.6 mm OD, 15 NB to 150 NB IN |
| 2507 Welded Tube Size | 6.35 mm OD To 152 mm OD |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| DSS 2507 tubing wall thickness | 0.020″ –0.220″ (special wall thicknesses available) |
| 2507 Pipe Schedule | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Duplex 2507 Pipe & Tube Finish | Polished, AP (Annealed & Pickled), MF, NO.1, NO.4, BA (Bright & Annealed), 2B, BA, HL, 8K, Mirror finish,etc |
| 2507 Pipe & Tube Form | Round, Hollow, Square,Rectangular, Hydraulic, Coiled, Straight Pipes, “U” Shape, Pan Cake Coils etc. |
| Super Duplex 2507 Pipe & Tube Length | Single Random, Double Random, Standard & Cut length |
| 2507 Pipe & Tube End | Beveled End,Plain End, Treaded. |
| 2507 Pipe & Tube Type | 2507 Seamless / ERW/ Welded / Fabricated / EFW / CDW / DOM / CEW Pipes |
| Marking | All 2507 Pipes are marked as follows: Grade, Standard, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
| Super Duplex 2507 Tube Application | Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger |
| Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Specialized in | Large Dia 2507 Pipe 2507 Capillary Tube & Other Odd Size 2507 Super Duplex Heat Exchanger & Condenser Tubes |
| Super Duplex | C | N | P | Si | Mn | Mo | Ni | Cr | S | Other |
| 0.030 | 0.24/0.32 | 0.035 | 0.80 | 1.20 | 3.0/5.0 | 6.00/8.00 | 24.0/26.0 | 0.020 | Cu:0.50 |
| Super Duplex | 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 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
These Super Duplex Steel Pipes are made from high-alloy steels that contain around 25% chromium, 6–7% nickel, 3–4% molybdenum, and nitrogen. This well-balanced duplex microstructure of austenite and ferrite grants them exceptional mechanical properties, including impressive tensile and yield strength, along with outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking induced by chlorides. Even under high pressure and extreme operating conditions, these pipes maintain their structural integrity and performance.
Laila Pipes and Tubes, one of the largest suppliers of Super Duplex Steel Pipes in Muscat, OMAN, 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.
Super Duplex Steel Pipes find their place in industries that require both high strength and excellent corrosion resistance. Common applications include oil and gas pipelines, offshore platforms, chemical and petrochemical processing plants, desalination systems, marine structures, and power generation facilities. Their long service life, ability to withstand harsh environments, and reliable performance make Super Duplex Steel Pipes the go-to choice for demanding industrial and infrastructure projects.
| Wall | Sizes ( O.D.) |
|---|---|
| .010 | 1/16″ , 1/8″ , 3/16″ |
| .020 | 1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ |
| .012 | 1/8″ |
| .016 | 1/8″ , 3/16″ |
| .028 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″ |
| .035 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .049 | 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .065 | 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″ |
| .083 | 1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″ |
| .095 | 1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .109 | 1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .120 | 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″ |
| .125 | 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″ |
| .134 | 1″ |
| .250 | 3″ |
| .375 | 3 1/2″ |
Super Duplex Steel Pipes find extensive use in industries where strength and corrosion resistance are crucial. In the oil & gas sector, they are essential for offshore platforms, subsea pipelines, and processing systems. The petrochemical and chemical industries rely on them for transporting corrosive fluids, heat exchangers, and pressure vessels. In marine applications, they are utilized in desalination plants, shipbuilding, and seawater cooling systems due to their remarkable resistance to chloride-rich environments. Power generation plants also depend on these pipes for boilers and other critical components, ensuring efficiency and reliability in their operations.
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