Home > Duplex Steel > Duplex Steel S31803 Forged Fittings
Aisha Nickel Alloys, located in Muscat, Oman, has built a solid reputation as a reliable manufacturer and supplier of top-notch Duplex Steel S31803 Forged Fittings. Known for their impressive engineering and resistance to corrosion, S31803 duplex steel merges the strength of ferritic steel with the corrosion resistance of austenitic steel. Aisha Nickel Alloys is committed to precision manufacturing, following international standards to produce durable and dependable fittings that can handle the toughest industrial settings. Their S31803 forged fittings are perfect for the oil, gas, petrochemical, and marine sectors, delivering lasting performance even in extreme temperatures, high pressures, and corrosive environments, which has solidified their status as a leading supplier in the area.
Duplex Steel S31803 boasts a well-balanced microstructure, consisting of about 50% austenite and 50% ferrite, which provides excellent strength and corrosion resistance. Typically, its composition includes 22–23% chromium, 3.0–3.5% nickel, 3.0% molybdenum, and low carbon content, all of which contribute to its resistance against pitting and stress corrosion cracking. On the mechanical side, S31803 forged fittings demonstrate impressive tensile strength ranging from 620 to 850 MPa and yield strength between 450 and 620 MPa, along with remarkable toughness and ductility, even in sub-zero temperatures. These characteristics make the fittings a trustworthy choice for high-pressure and corrosive industrial applications.
| Specifications | ASTM A182 / ASME SA182 |
| Duplex Stainless Steel Forged Fitting Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Duplex Stainless Forged Fitting Types | Seamless / Welded / ERW / Fabricated Duplex SS Forged Fitting |
| ASTM A182 Duplex Steel Forged Fitting Dimensions | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| SA182 Duplex Steel Forged Fitting Type | DN15-DN1200 |
| Duplex Steel Forged Fittings Thread | NPT, BSPT, BSPP |
| Duplex Steel Forged Fittings Pressure Rating | 2000lb/ 3000lb/ 6000lbs /9000lbs |
| Connection | Welding |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Duplex SS Forged Fitting |
| Stainless Steel Duplex Forged Fitting Size Range | ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) |
| Duplex Steel Elbow | Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D. Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO |
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| Duplex Forged Fitting Manufacturing process | Push, Press, Forge, Cast, etc. |
| Specialized manufacturer of | 90º Elbows, 45º Elbows, Tees, Crosses, Equal Tees & Reducing Tees,Couplings, Reducers, Inserts, Unions, Caps, Nipples, Forged Forged Fitting, Socket Weld & Threaded, 90° & 45° Elbows – Female-Female, Male-Male, Male-Female, Union, Nipples, Couplings, Plugs Fittings |
| Duplex Steel Buttweld Fittings Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| DSS Forged Fitting Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian (NO CHINA) |
| Key markets and industries for ASTM A182 Duplex Forged Fitting |
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| A182 Duplex Steel Forged Fitting uses & application |
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| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| Duplex Steel Forged Fittings | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Aisha Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Forged Fittings in Muscat, OMAN, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the OMAN, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel S31803 forged fittings find extensive use in industries that demand high strength and outstanding corrosion resistance. They are particularly well-suited for oil and gas pipelines, chemical processing plants, petrochemical facilities, desalination plants, and marine environments. Their ability to resist chloride-induced stress corrosion cracking makes them ideal for seawater applications. Furthermore, S31803 forged fittings are utilized in high-pressure systems, heat exchangers, and industrial valves. Thanks to Aisha Nickel Alloys’ meticulous forging process and rigorous quality control, these fittings ensure reliable, long-term performance, promoting operational safety and efficiency in highly demanding and corrosive conditions.