Phanuphong Steel stands out as a top manufacturer and supplier of SMO 254 Forged Fittings right in the heart of Bangkok, Thailand. We take pride in delivering high-quality fittings that are specifically designed for high-performance and corrosion-resistant applications. SMO 254, or UNS S31254, is a super austenitic stainless steel known for its remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chlorides. Our forged fittings have earned the trust of industries like chemical, marine, oil & gas, and offshore, thanks to their durability and reliability. At Phanuphong Steel, we focus on precision manufacturing, rigorous quality control, competitive pricing, and timely delivery to meet the needs of critical industrial operations around the globe.
| 254 Forged Fittings Specifications | ASTM A182/ ASME SA182 |
|---|---|
| 254 SMO Forged Fittings size | 1/8” NB to 4” NB (Socketweld & Screwed-Threaded) |
| 6 Moly Forged Fittings Dimensions | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| SMO 254 Forged Fittings Types | Socketweld Fittings, Screwed-Threaded Fittings |
| ASTM A182 SMO 254 Forged Fittings Pressure Rating | Threaded End-2000lb/ 3000lb/ 6000lbs Socket-weld End-3000/ 6000/ 9000lbs |
| SMO 254 Forged Fittings Thread | NPT, BSPT, BSPP |
| SMO 254 Forged Fittings Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| SMO 254 Forged Fittings Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
| Specialized manufacturer of | 90º Elbows, 45º Elbows, Tees, Cross, Couplings, Reducers, Inserts, Caps, Nipples, and Unions, Forged Pipe Fittings, Socket Weld & Threaded, Equal Tees & Reducing Tees, 90° & 45° Elbows, Plugs |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| Grade | Ni | Cr | Mo | Cu | N | C | Mn | Si | P | S |
| SMO 254 | 17.5 – 18.5 | 19.5 – 20.5 | 6 – 6.5 | 0.5 – 1 | 0.18 – 0.22 | 0.02 max | 1 max | 0.8 max | 0.03 max | 0.01 max |
| Density | Melting Point | Tensilee Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 % |
When it comes to composition, SMO 254 Forged Fittings boast high levels of chromium, molybdenum, and nitrogen, which give them an edge in corrosion resistance over standard stainless steels. Typically, their chemical makeup includes 20% Cr, 18% Ni, 6% Mo, and 0.2% N, resulting in exceptional strength and resistance to aggressive chloride solutions. These fittings have a tensile strength of about 650 MPa, a yield strength of 300 MPa, and an elongation of 35%. They also maintain excellent toughness even at cryogenic temperatures and offer outstanding weldability, making them perfect for demanding industrial settings where both strength and corrosion resistance are crucial.
Teerasil Fittings is a leading supplier of SMO 254 Forged Fittings in Bangkok, Thailand. We offer an extensive range of SMO 254 Forged Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SMO 254 | 1.4547 | S31254 | SIS 2378 | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
| ASTM A182 / A182M | Forged Fittings and valves and parts for high temperature service. Standard Specification for Wrought Austenitic SMO Forged Fittings |
| BS21 | Threading. |
| BS3799 | Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry |
| ANSI B16.11 | Forged steel fittings socket-welding and threaded. Socket Welding and Threaded Forged Fittings |
| ANSI/ASME B1.20.1 | Pipe threads, general purpose (inch). |
| ISO 4144 | SMO fittings threaded to ISO 7-1. |
| MSS SP-95 | Swage(d) Nipples and Bull Plugs |
Choose SMO 254 Forged Fittings from Teerasil Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
SMO 254 Forged Fittings offer many advantages, including exceptional corrosion resistance, especially in high chloride environments, making them ideal for marine, chemical and petrochemical applications Their high molybdenum and chromium content pitting, cracking corrosion and stress corrosion cracks Provides excellent strength for . These fittings also exhibit good strength and durability, ensuring high tensile strength and yield strength, long-term performance in harsh conditions Furthermore, SMO 254 mesh fittings offer excellent weldability and formability, making them versatile for a wide range of industrial applications, providing reliability and cost – efficiency.
Yes, custom sizes for SMO 254 Forged Fittings are available at Teerasil Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@teerasilfittings.com
SMO 254 Forged Fittings find their place in industries that require extreme corrosion resistance and mechanical strength. You’ll often see them in piping systems at chemical processing plants, offshore oil rigs, desalination equipment, and marine applications exposed to seawater. They’re also a go-to choice for heat exchangers, pressure vessels, and pharmaceutical processing equipment due to their hygienic and durable nature. In the pulp and paper sector, these fittings are favored for managing chloride-rich bleaching processes. With their ability to endure harsh environments and prolong service life, SMO 254 forged fittings help ensure efficiency and reliability in various applications.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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