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Harsh Metalloys is a reputable manufacturer and supplier of SMO 254 Pipe Fittings, based in Mumbai, India. These fittings are crafted from high-alloy austenitic stainless steel SMO 254 (UNS S31254) and are specifically engineered to excel in the toughest corrosive environments. Renowned for their outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides, SMO 254 Pipe Fittings are perfect for critical piping systems. Harsh Metalloys provides a diverse selection of fittings—including elbows, tees, reducers, and caps—meticulously designed to comply with international standards for strength, durability, and corrosion resistance across marine, chemical, and industrial sectors.
SMO 254 Pipe Fittings are made up of around 20% chromium, 18% nickel, 6% molybdenum, and nitrogen, which grants them remarkable corrosion and mechanical resistance. These fittings boast a tensile strength of at least 650 MPa, yield strength of at least 300 MPa, and an elongation of at least 35%, making them ideal for pressure-bearing applications in harsh environments. Their low carbon content improves weldability and safeguards against intergranular corrosion. The well-balanced composition of SMO 254 ensures dependable performance in systems that encounter saltwater, acidic solutions, and high chloride levels, making it a top-tier material for demanding service conditions.
| Specifications | ASTM A403 / ASME SA403 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Size | Seamless Butt Weld Fittings: 1/2″ – 10″, Welded Butt Weld Fittings: 1/2″ – 48″ |
| Type | Seamless / Welded / Fabricated |
| Schedule | Sch 5 TO Sch XXS |
| Thickness | 20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc. |
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
| 254 SMO | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.00 – 4.00 | 32.00 – 38.00 | 19.00 – 21.00 | 29.85 min* | 2.00 – 3.00 | 0.045 ma |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 254 SMO | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
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We ensures proper testing of its Stainless Steel 254 Pipe Fittings for quality, strength, and durability. Products are certified as per relevant industry standards, so the performance of each product will be exceptional. The company gives full certificates of material test reports, ensuring complete traceability according to global quality and safety standards.
SMO 254 pipe fittings are high-alloy, corrosion-resistant components designed for extreme environments. They offer excellent resistance to chloride-induced corrosion and high strength, making them ideal for marine and chemical applications.
SMO 254 buttweld pipe fittings are high-alloy, corrosion-resistant components used for seamless, strong connections in piping systems. They are ideal for marine, chemical, and offshore applications, ensuring durability and reliability.
SMO 254 socket weld pipe fittings are high-alloy, corrosion-resistant components designed for secure, leak-proof connections. They are ideal for high-pressure and high-temperature applications, ensuring durability and performance in harsh environments.
SMO 254 seamless fittings are high-alloy, corrosion-resistant components crafted without joints. They provide strong, leak-proof connections and are ideal for extreme environments, including marine and chemical processing applications.
SMO 254 cross pipe fittings are high-alloy, corrosion-resistant components designed to connect four pipes at a central junction. They offer durability and reliability in harsh environments, including marine and chemical industries.
SMO 254 tee fittings are high-alloy, corrosion-resistant components that connect three pipes at a right angle. They ensure durable, reliable performance in extreme conditions, such as marine and chemical applications.
SMO 254 Pipe Fittings are a go-to choice in industries where top-notch corrosion resistance is a must. You’ll find them in places like offshore oil and gas platforms, desalination plants, marine engineering projects, chemical and petrochemical processing, pulp and paper manufacturing, and wastewater treatment facilities. These fittings shine in seawater piping systems, heat exchangers, pressure vessels, and flue gas cleaning units, where they need to stand up to chlorides and high-temperature corrosion. SMO 254 Pipe Fittings provide reliable, long-lasting connections even in high-pressure and harsh chemical environments, and they’re made to meet global standards like ASTM A403, ASME B16.9, and DIN norms.
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