Ferdi Fittings, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of high-quality Duplex Steel Buttweld Fittings. Known for their precision engineering and commitment to international standards, Ferdi Fittings caters to a variety of industries, including oil and gas, chemical, petrochemical, and marine sectors. The company focuses on creating durable, corrosion-resistant fittings that promise long-lasting performance even in extreme conditions. With a strong emphasis on quality control, timely delivery, and customer satisfaction, Ferdi Fittings has built a reputation as a reliable partner for piping solutions, serving both local and global markets with excellence and efficiency.
| Size | : | 1/2″ to 36″ |
| Standard | : | ASTM / ASME A815 / SA815. |
| Dimensions | : | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Grade | : | UNS No. S31803, S32205, S32550, S32750, S32760. |
| Type | : | Seamless & Welded |
| Schedule | : | Sch 5 TO Sch XXS. |
Duplex Steel Buttweld Fittings feature a balanced microstructure of austenite and ferrite, typically made up of 22–25% chromium, 5–7% nickel, and 3% molybdenum, along with trace amounts of nitrogen. This distinctive composition grants them exceptional resistance to stress corrosion cracking, pitting, and crevice corrosion. On the mechanical side, these fittings boast high tensile strength, impressive toughness, and good ductility, with a yield strength around 450 MPa and tensile strength reaching up to 750 MPa. Their thermal stability and fatigue resistance make them perfect for high-pressure and high-temperature applications in aggressive chemical environments.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Ferdi Fittings is a leading supplier of Duplex Steel Buttweld Fittings in Istanbul, Turkey. We offer an extensive range of Duplex Steel 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 2205 | 1.4462 | S31803 / S32205 |
Choose Duplex Steel Buttweld Fittings from Ferdi 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 Buttweld Fittings offer numerous advantages, including exceptional strength, high corrosion resistance, and excellent resistance to pitting and stress corrosion cracking. Their unique composition, combining both austenitic and ferritic structures, provides superior mechanical properties, such as high tensile and yield strength, making them suitable for high-pressure and high-temperature applications. These fittings are highly durable in aggressive environments, including those exposed to seawater, chemicals, and other corrosive substances. Duplex Steel Buttweld Fittings are also cost-effective, offering enhanced performance with reduced material costs compared to other stainless steels. They are ideal for critical industrial applications.
Yes, custom sizes for Duplex Steel Buttweld Fittings are available at Ferdi Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@ferdifittings.com
Duplex Steel Buttweld Fittings are extensively utilized in industries where strength and corrosion resistance are paramount. They play a crucial role in oil and gas pipelines, chemical processing plants, and petrochemical refineries, ensuring reliable connections in challenging environments. Moreover, they find applications in seawater desalination plants, pulp and paper industries, and marine settings, where resistance to chloride-induced corrosion is essential. These fittings are also employed in power generation, offshore platforms, and high-pressure fluid transport systems. Their robust performance guarantees safety, durability, and efficiency, making them the go-to choice for demanding engineering projects.
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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