Nguyen Fittings and Plates is a trustworthy producer and supplier of Duplex Steel UNS S32205 Forged Fittings, located in Da Nang, Vietnam. The organization deals in the high-quality forged fittings which are highly regarded for their strength and resistance against corrosion. With cutting-edge forging technology and rigorous quality control, Nguyen Fittings and Plates provides fittings that meet international standards to industries like oil and gas, chemical processing, marine, and power generation. Their Duplex Steel UNS S32205 Forged Fittings are engineered to operate under severe conditions with durability, safety, and extended service life in critical piping systems.
| Size | : | 1/2″NB TO 4″NB IN |
| Standard | : | ASTM A182 / ASME SA182 |
| Dimensions | : | ANSI/ASME B16.11 & BS3799, etc. |
| Grade | : | UNS S31803, S32205, S2205, S32550, S32750, S32760. |
| Class | : | 2000LBS, 3000LBS, 6000LBS, 9000LBS, etc. |
Duplex Steel UNS S32205 Forged Fittings are composed of a well-balanced microstructure of approximately equal amounts of austenite and ferrite, and they offer excellent mechanical strength with tensile strengths usually between 620 to 850 MPa and yield strengths at about 450 MPa. Duplex Steel UNS S32205 Forged Fittings are alloyed with chromium, nickel, molybdenum, and nitrogen, which provide improved resistance against pitting, crevice corrosion, and stress corrosion cracking, particularly under chloride-enriched conditions. These fittings are also very tough at low temperatures and have very good weldability, rendering them ideal for challenging industrial applications.
| UNS S31803 | 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 |
| Grade | S31803 |
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 2588 – 2669; |
Nguyen Fittings is a leading supplier of Duplex Steel UNS S32205 Forged Fittings in Da Nang, Vietnam. We offer an extensive range of Duplex Steel UNS S32205 Forged 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.
Choose Duplex Steel UNS S32205 Forged Fittings from Nguyen 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 S32205 Forged Fittings offer numerous advantages, including superior corrosion resistance, particularly in chloride environments, making them ideal for marine, chemical, and oil and gas industries. Their unique duplex microstructure combines the best of both austenitic and ferritic steels, providing high strength and excellent resistance to stress corrosion cracking. These fittings also offer enhanced fatigue resistance, high toughness, and excellent weldability, ensuring reliability and ease of installation. With impressive mechanical properties, Duplex Steel UNS S32205 Forged Fittings are perfect for high-pressure, high-temperature applications, delivering long-term durability and performance.
Yes, custom sizes for Duplex Steel UNS S32205 Forged Fittings are available at Nguyen Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@nguyenfittings.com.
| STANDARD | UNS | |
| Duplex Steel Forged Fittings | S31803 / S32205 |
| DN-NPT | MAJOR DIAMETER MM | TAPPING /DRILL SIZE MM | TPI | PITCH MM |
|---|---|---|---|---|
| 1/16″ | 7.895 | 6.00 | 27 | 0.941 |
| 1/8″ | 10.242 | 8.25 | 27 | 0.941 |
| 1/4″ | 13.616 | 10.70 | 18 | 1.411 |
| 3/8″ | 17.055 | 14.10 | 18 | 1.411 |
| 1/2″ | 21.223 | 17.40 | 14 | 1.814 |
| 3/4″ | 26.568 | 22.60 | 14 | 1.814 |
| 1″ | 33.228 | 28.50 | 11.5 | 2.209 |
| 1¼” | 41.985 | 37.00 | 11.5 | 2.209 |
| 1½” | 48.054 | 43.50 | 11.5 | 2.209 |
| 2″ | 60.092 | 55.00 | 11.5 | 2.209 |
| 2½” | 72.699 | 65.50 | 8 | 3.175 |
| 3″ | 88.608 | 81.50 | 8 | 3.175 |
| 3½” | 101.316 | 94.30 | 8 | 3.175 |
| 4″ | 113.973 | 107.00 | 8 | 3.175 |
| 5″ | 141.300 | 134.384 | 8 | 3.175 |
| 6″ | 168.275 | 161.191 | 8 | 3.175 |
| 8″ | 219.075 | 211.673 | 8 | 3.175 |
| 10″ | 273.050 | 265.311 | 8 | 3.175 |
| 12″ | 323.850 | 315.793 | 8 | 3.175 |
| Description | Class Designation | ||
|---|---|---|---|
| 3000 | 6000 | 9000 | |
| Elbows 45 and 90 degrees, Tees, Crosses, Couplings, Half-Couplings, End or Pipe Caps | 1/2 – 4 | 1/2 – 2 | 1/2 – 2 |
| 1/2 – 4 | 1/2 – 2 | 1/2 – 2 | |
| 1/2 – 4 | 1/2 – 2 | 1/2 – 2 | |
| Pipe Size by Wall Thickness | SCH 80 / XS | SCH 160 | XXS |
Duplex Steel UNS S32205 Forged Fittings are used extensively in applications where high strength and superior corrosion resistance are needed. They find extensive application in offshore oil and gas platforms, chemical processing facilities, desalination plants, pulp and paper mills, and seawater coolers. These fittings are suitable for piping systems that have exposure to aggressive chemicals, chlorides, and high-pressure fluids. Their resistance to localized corrosion and stress corrosion cracking, along with their mechanical stability, makes Duplex Steel UNS S32205 Forged Fittings a reliable and cost-effective option for demanding industrial conditions.
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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