- sales@mariapipes.com
- Kuala lumpur, Malaysia
Home > Super Duplex Steel > Super Duplex Steel Pipe
Maria Pipes and Tubes, based in Kuala Lumpur, Malaysia, stands out as a top manufacturer and supplier of **Super Duplex Steel Pipes**, providing high-performance piping solutions tailored for critical and corrosive environments. Renowned for their exceptional quality and precision, the company produces Super Duplex pipes that adhere to international standards, catering to industries like offshore oil & gas, chemical processing, marine, desalination, and power generation. With a strong commitment to durability and customer satisfaction, Maria Pipes and Tubes offers both seamless and welded Super Duplex pipes in a variety of sizes and specifications.
Super duplex steel pipe typically contains 25-30% chromium, 5-7% nickel, 3-5% molybdenum and trace amounts of nitrogen, enhancing strength and corrosion resistance. These pipes exhibit exceptional mechanical properties with 800 -1000 MPa tensile strength plus 550-720 MPa and yield strength with a length of about 25-40% Advantages of super duplex steel pipe include excellent resistance to pitting and crevice corrosion. High strength, good weldability, its ability to operate in harsh environments making it useful in the oil and gas industry, chemical industry, marine. its applications in industry are examples.
| 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.
**Super Duplex Steel Pipe** is crafted from high-alloy stainless steel grades such as UNS S32750 and S32760, which boast a well-balanced austenitic-ferritic microstructure. This unique dual-phase composition delivers remarkable strength—often double that of standard austenitic stainless steel—along with outstanding resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. These pipes excel in aggressive, high-chloride environments and also provide good weldability, fatigue resistance, and high thermal conductivity, making them ideal for demanding structural and fluid-handling applications.
Maria Pipes and Tubes, one of the largest suppliers of Super Duplex Steel Pipes in Kuala lumpur, Malaysia, 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 Super Duplex Steel Pipes to meet your specific requirements. Our team at Maria Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@mariapipes.com.
| 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 sectors that require both high mechanical strength and corrosion resistance. In offshore and subsea industries, they are essential for risers, flowlines, and process piping. Chemical and petrochemical plants rely on them to safely transport aggressive chemicals and acids. Power plants utilize these pipes in heat exchangers and condenser systems, while the marine industry depends on them for seawater cooling and ballast systems. With their ability to endure extreme pressure, temperature, and corrosive conditions, Super Duplex pipes offer a dependable and long-lasting solution for even the toughest environments.
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