ASTM A182 F51 UNS S31803 Duplex Steel Forged Fittings Manufacturer, Duplex F51 Socket Weld & Threaded Fittings Exporter in India
Trusted & Recognized Name in the Stainless Steel Industry!
Manufacturer of Duplex Steel UNS S31803 Grade F51 High Pressure Forged Fittings, Socket Weld (SW) & Threaded (NPT/BSP) Duplex Fittings
Duplex Steel S31803 F51 ASTM A182 Forged Pipe Fittings
ASTM A182 F51 UNS S31803 Duplex Forged Fittings offer an excellent combination of high strength and superior corrosion resistance, making them ideal for use in aggressive environments. These Duplex 2205 fittings provide outstanding resistance to pitting and crevice corrosion, particularly in chloride-rich conditions such as seawater applications. Compared to standard austenitic stainless steels, they exhibit higher mechanical strength along with good ductility and reliable performance even at sub-zero temperatures.
These fittings are also known for their strong resistance to stress corrosion cracking in chloride-containing environments, ensuring long-term durability in critical applications. ASTM A182 F51 UNS S31803 Duplex Forged Fittings are widely selected where both corrosion resistance and mechanical strength are required. However, they are generally recommended for service temperatures below 300°C, as prolonged exposure to higher temperatures may lead to microstructural changes.
Applications:
ASTM A182 F51 UNS S31803 Duplex Forged Fittings are extensively used in chemical processing, transportation, and storage systems, as well as in oil and gas exploration and processing equipment. They are well-suited for marine applications and high-chloride environments, along with usage in pulp and paper industries, including digesters and related processing units. Their balanced properties make them a preferred choice across industries requiring strength, corrosion resistance, and reliability.
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Standard Specification for ASTM A182 Duplex Steel UNS S31803 F51 Forged Fittings
| Specification | ASTM A182 / ASME SA182 |
| Dimensions | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Size | 1/8" NB to 4" NB |
| Type | Socketweld Fittings, Threaded / Screwed Fittings |
| Rating Pressure | 2000LBS, 3000LBS, 6000LBS, 9000LBS. |
