Devang Fittings stands out as a top-notch manufacturer and supplier located in Kolkata, India, with a focus on high-quality Duplex Steel UNS S31803 Buttweld Fittings. The company prides itself on its dedication to precision engineering and ensuring customer satisfaction, consistently delivering products that align with international standards and specifications. Serving a diverse array of industries, Devang Fittings provides durable, corrosion-resistant, and cost-effective piping solutions. With state-of-the-art manufacturing facilities and a talented workforce, they guarantee timely delivery and quality assurance, earning a reputation as a trusted name for Duplex Steel UNS S31803 Buttweld Fittings both in India and internationally.
| Standards | ASTM, ASME |
| Designation | A815, SA815 |
| Dimension Standard | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Grade | Duplex Steel S31803 Buttweld Pipe Fittings. |
| Type | Seamless, Welded |
| Thickness | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
| Size | 1/2″ to 24″ |
| Two Joint / Two Halve S31803 Butt weld Fittings Size | 6″ to 48″ |
| Types of Butt weld Fittings | Equal Tee, Nipple, Long Radius Elbow, Reducing Tee, Elbows, Swage Nipple, Short Radius Elbow, Reducer, Barrel Nipple, 90 Deg Elbow, Concentric Reducer, Reducing Nipple, 45 Deg Elbows, Eccentric Reducer, Bend, 180 Deg Elbow, End Cap, 1D Elbow, 3D Elbow, Stubend, 5D Elbow, Cap, Piggable Bend, Long Stubend, Tee, Short Stubend, Long Radius Bend. |
| Also as per National & International Standard &Specification | |
These fittings are made up of about 22% chromium, 5-6.5% nickel, 3% molybdenum, and a balanced iron content, enhanced with nitrogen to boost strength. They boast a high yield strength of around 450 MPa and a tensile strength reaching up to 620 MPa, along with impressive elongation properties. Their design offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Thanks to their dual-phase microstructure, they deliver better mechanical performance and corrosion resistance compared to traditional austenitic stainless steels, making them perfect for tough environments like marine, chemical, and high-pressure industrial systems.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel S31803 | 0.030 max | 2 max | 1 max | 0.030 max | 0.020 max | 22 – 23 | 3 – 3.50 | 4.50 – 6.50 | 0.14 – 0.20 | Bal |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
Devang Fittings is a leading supplier of Duplex Steel UNS S31803 Buttweld Fittings in Kolkata, India. We offer an extensive range of Duplex Steel UNS S31803 Buttweld Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex Steel S31803 | 1.4462 | S31803 |
Choose Duplex Steel UNS S31803 Buttweld Fittings from Devang Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Duplex Steel UNS S31803 Buttweld Fittings offer several advantages, including excellent resistance to corrosion, pitting, and stress corrosion cracking, making them ideal for harsh environments. Their unique dual-phase microstructure provides a high strength-to-weight ratio, offering greater tensile and yield strength than standard austenitic stainless steels. These fittings also exhibit superior weldability, making them easier to work with in fabrication processes. UNS S31803 fittings are highly durable in industries such as chemical processing, oil and gas, and marine applications, ensuring long-lasting performance even in high-pressure, high-temperature environments.
Yes, custom sizes for Duplex Steel UNS S31803 Buttweld Fittings are available at Devang Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@devangfittings.co.in
Duplex Steel UNS S31803 Buttweld Fittings are extensively utilized across various industries due to their remarkable mechanical strength and corrosion resistance. You’ll find them in chemical processing plants, oil and gas refineries, marine settings, power generation units, and desalination projects. These fittings are particularly well-suited for high-pressure and corrosive conditions, providing a long service life and lower maintenance costs. Their application in heat exchangers, piping systems, offshore platforms, and structural projects makes them a go-to choice for both industrial and commercial infrastructure that demands reliability and durability.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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