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Duplex Steel S31803 Forged Fittings are robust fittings designed for the toughest industrial uses such as oil and gas, petrochemicals, and power generation. Made from alloy steel, they offer outstanding strength, longevity, and protection against corrosion and elevated temperatures. Such fittings, including elbows, tees, and couplings, play a key role in ensuring dependable connections and structural soundness within high-pressure settings. Thanks to their sturdy build and performance, alloy steel forged fittings serve as a dependable option for essential operations throughout many industries.
| 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. |
| Grade | S31803 |
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 2588 – 2669; |
| 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 |
At Sumakhsteel, we take great pride in being the largest supplier and manufacturer in the USA, delivering advanced solutions for all your piping requirements. With cutting-edge manufacturing facilities strategically situated in the USA, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
Estas conexiones forjadas de acero dúplex S31803 las ofrecemos conforme a la norma DIN, ISO, JIS o ANSI.
Corrosion Resistance: Duplex steel S31803 mesh fittings show outstanding resistance to corrosion, particularly in aggressive settings containing chloride ions, like marine and chemical operations. This resistance helps extend the fitting’s service life.
Strength: These fillings offer greater strength than austenitic stainless steel, which makes them well-suited for uses demanding high mechanical strength, such as high-pressure pipelines
Duplex structure: Duplex stainless steels feature a two-dimensional microstructure made up of austenite and ferrite phases. This duplex arrangement provides high strength and enhanced resistance to stress corrosion cracking, fatigue and erosion.
Excellent weldability: S31803 mesh fittings can generally be welded with conventional welding methods, boosting their versatility during manufacturing and installation.
Cost Effectiveness: While duplex stainless steel usually costs more than austenitic stainless steel, it delivers a cost-effective option for applications requiring strong corrosion resistance and mechanical properties, justifying the upfront investment through greater durability and lower maintenance expenses.
Duplex Steel S32205 Forged Fittings serve applications as varied as the industries that rely on them, led chiefly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Oil and Gas Industry: Duplex steel grid fittings serve applications including pipelines, offshore platforms and processing equipment within the oil and gas sector, thanks to their resistance to corrosive environments, elevated strength and reliable weldability. widely employed
Chemical agents: These fillers find use in pharmaceutical production plants to handle chemical breakdown and regulation. Its resistance to pitting and Travis corrosion makes it well suited for aggressive chemical settings.
Petrochemical Industry: Duplex steel grid fittings are applied in the petrochemical field across numerous uses such as reactors, heat exchangers, storage tanks and so on. Their strong resistance to stress corrosion cracking and elevated thermal conductivity prove beneficial in these applications.
Power Plant: The power plant employs duplex steel mesh fittings on parts like heat exchangers, boilers, corrosion-resistant pipes and drip lines required for sustained performance
Water Treatment Systems: Duplex steel inserts are utilized in piping systems, valves and pumps within water treatment setups where resistance to saline or chemically treated water is called for
Compatibility: S31803 is a duplex stainless steel grade recognized for its strength and resistance to corrosion. Make sure the fittings you select are likewise manufactured from S31803 or compatible materials to prevent problems during assembly.
Pressure Pressure: Defines how much pressure your application demands. S31803 mesh fittings usually carry a high-pressure rating, but it’s essential that the fitting’s pressure rating aligns with what your system needs.
Size and type: Think about the size and type of fittings your piping system needs. This covers aspects like the shape of the fitting, whether it’s a coupling, elbow, tee, or another fitting, and the connection type (threaded or socket weld).
End connections: Determine whether threaded or socket weld fittings suit your application. Threaded fittings are easy-to-install cables but may fall short for high-pressure applications. Socket weld fittings deliver outstanding strength and resistance to leaks.
Standards and Specifications: To guarantee quality and performance, confirm that fittings comply with relevant industry standards and specifications, such as ASTM, ASME, ANSI, or other international standards.
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Email: sales@sumakhsteel.com
