Home > Forged Fittings > SMO 254 Forged Fittings
Kyaw Stainless stands out as a top manufacturer and supplier of SMO 254 Forged Fittings in Naypyidaw, Myanmar. We pride ourselves on delivering high-quality, corrosion-resistant fittings that are essential for critical industrial applications. SMO 254, or UNS S31254, is a robust austenitic stainless steel specifically engineered to excel in harsh environments filled with chlorides and acids. Our forged fittings are celebrated for their impressive strength, excellent weldability, and remarkable durability. Crafted with precision forging techniques and rigorous quality control, these fittings guarantee leak-free, high-pressure performance, making them perfect for industries such as chemical processing, marine engineering, oil & gas, and desalination plants.
When it comes to composition and mechanical properties, SMO 254 Forged Fittings consist of around 20% chromium, 18% nickel, 6% molybdenum, and 0.2% nitrogen, all while maintaining a very low carbon content to avoid sensitization. This distinctive blend provides outstanding resistance to pitting, crevice, and stress corrosion cracking. The alloy boasts a tensile strength of 650 MPa, a yield strength of 300 MPa, and an elongation of 35–45%, ensuring both toughness and ductility. With a PREN value exceeding 42, SMO 254 showcases exceptional corrosion resistance in environments rich in halides, making it a go-to choice for demanding industrial and marine applications.
Specifications : ASTM B 366, ASME SB 366
Type : Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT, Threaded Fittings
Size : 1/2″NB TO 4″NB IN
Class :2000LBS, 3000LBS, 6000LBS, 9000LBS, etc.
Standards : ASTM, ASME, ANSI 16.11, MSS SP-79,83,95,97,BS 3799
| Grade | % | Ni | Cr | Mo | Cu | N | C | Mn | Si | P | S |
SMO 254 | Min. | 17.5 | 19.5 | 6 | 0.5 | 0.18 | |||||
| Max. | 18.5 | 20.5 | 6.5 | 1 | 0.22 | 0.02 | 1 | 0.8 | 0.03 | 0.01 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | |
| SMO 254 | 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 |
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SMO 254 Forged Fittings find extensive application in industries that demand high strength and better corrosion resistance. They are best suited for marine operations, such as piping of seawater, offshore installations, and ship construction, as a result of the excellent corrosion resistance against chloride. In the petrochemical and chemical industries, they find application in heat exchangers, process piping, and pressure vessels dealing with aggressive chemicals. They play an imperative role in desalination plants, pulp and paper mills, food and beverage plants, and pharmaceutical production. They are also applied in power plants, flue gas treatment systems, and other high-pressure applications where they are needed to be long-lasting.
These fittings are available in sizes from 1/8″ to 4″ and offer reliable, leak-free connections in high-pressure systems. They are commonly used in petrochemical, power generation, and oil and gas industries.
Threaded fittings, ranging from 1/8″ to 4″, provide ease of installation and maintenance. Suitable for low-pressure applications, they are widely used in plumbing, heating, and cooling systems.
These elbows, available in sizes from 1/8″ to 4″, allow for smooth directional flow changes. They are ideal for piping systems requiring high-strength connections and reduced flow resistance.
Threaded tees, in sizes ranging from 1/8″ to 4″, branch off the main line in a piping system. They provide reliable performance in various industrial and commercial applications.
These couplings, available in sizes from 1/8″ to 4″, join two pipes or fittings. They offer easy assembly and disassembly, making them suitable for maintenance and repair work.
Socket weld crosses, ranging from 1/8″ to 4″, are designed to connect four pipes at a single junction. They are used in high-pressure applications where a strong, leak-proof connection is essential.
SMO 254 Forged Fittings find extensive use across various sectors, including chemical processing, petrochemical, desalination, marine, and offshore industries, thanks to their remarkable resistance to corrosion and oxidation. They are perfectly suited for heat exchangers, pressure vessels, condensers, pumps, valves, and piping systems that deal with seawater, brine, or acidic solutions. Their superior mechanical strength and resistance to localized corrosion also make them ideal for pharmaceutical plants, pollution control systems, and food processing facilities. SMO 254 fittings are favored for their ability to maintain structural integrity under high-pressure conditions.







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