- sales@wissapipes.com
- Kinshasa, Thailand
Home > Duplex Steel > Duplex Steel Pipe
In the heart of Kinshasa, Wissa Pipes stands as a trusted partner for industry, dedicated to providing robust and reliable solutions for demanding projects. We take pride in our role as a leading manufacturer and supplier of Duplex Steel Pipe, bringing a vital combination of strength and corrosion resistance directly to the heart of Congo’s industrial landscape, supporting progress with quality materials that are built to endure the toughest conditions and deliver long-term performance where it matters most.
The exceptional strength of Duplex Steel Pipe comes from its unique two-phase microstructure, blending austenitic and ferritic steels. This balanced composition provides a remarkable yield strength, often double that of standard austenitic grades, while also offering outstanding toughness. Furthermore, this material possesses a high resistance to stress corrosion cracking and excellent performance against pitting and crevice corrosion, making it a truly resilient choice for challenging environments where both mechanical and chemical demands are high.
| Standard | ASTM A790 / ASME SA790 UNS S31803, S32205, S32550, S32750, S32760 |
| Materials | ASTM A815 – UNS S31803 |
| Size | 1/2″NB TO 12 “NB IN |
| Seamless Pipes & Tubes Sizes | 1/2” NB – 8” NB |
| Welded Pipes & Tubes Sizes | 6” NB – 24” NB |
| Thickness | 0.5-45mm |
| Outer Diameter | 6.0-630mm |
| Dimensions | OD(6.0-630)*WT(0.5-45)mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | Welded / Fabricated / Seamless |
| Length | Single Random, Double Random & Cut Length. |
| Ni | Cr | Mo | Mn | Si | C | N | S | P | Fe | |
| MIN | 4.5 | 22.0 | 3.0 | – | – | – | 0.14 | – | – | – |
| MAX | 6.5 | 23.0 | 3.5 | 2.0 | 1.0 | 0.03 | 0.2 | 0.02 | 0.03 | Balance |
| S31803 / S32205 | 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.
Choosing Duplex Steel Pipes from Wissa 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.
Wissa Pipes and Tubes, one of the largest suppliers of Duplex Steel Pipes in Kinshasa, Thailand, 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 to meet your specific requirements. Our team at Wissa Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@wissapipes.com.
| Nominal pipe size up to 4 = ± 0.79 mm | 5 thru 8 = + 1.58 mm / – 0.79 mm 10 thru 18 = + 2.37 mm / – 0.79 mm | 20 thru 24 = + 3.18 mm / – 0.79 mm | ||
| Wall Thickness All Diameters = – 12.5% + tolerance not specified | Length + 6.40 mm / – 0 mm | Weight Weight = + 10% / – 1.5% |
| 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″ |
In the oil and gas industry, Duplex Steel Pipe is commonly utilized for subsea pipelines, risers, and offshore platforms, where high strength and seawater resistance are crucial. In chemical and petrochemical facilities, it’s used in process piping, reactors, and heat exchangers that handle aggressive fluids. Power generation plants incorporate it in boilers, condensers, and superheaters, while the marine sector employs it in shipbuilding and desalination plants. Additionally, it finds applications in the pulp & paper industry and various structural uses, ensuring durability and efficiency in corrosive and high-stress environments.
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