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Mazin Fasteners offers SMO 254 washers that are made to superior standards to ensure they perform well in harsh conditions. These washers are manufactured from SMO 254 which is a high-alloy stainless steel that provides high resistance to corrosion particularly in chloride containing environments such as marine. Our SMO 254 washers are perfect for marine engineering, chemical processing, and industrial uses as they guarantee the secure connection. When it comes to washers, it is recommended to go for Mazin Fasteners as they provide excellent strength and performance in extreme conditions.
SMO 254 Washers are top-notch fastening components crafted from super austenitic stainless steel, which is renowned for its remarkable resistance to corrosion, even in the most aggressive environments. These washers are built to perform reliably in situations where they encounter chlorides, acids, and seawater. Thanks to their high molybdenum and nitrogen content, SMO 254 Washers provide exceptional protection against pitting and crevice corrosion, making them perfect for critical industrial applications. They boast impressive durability, dimensional stability, and a long service life, even when faced with harsh operating conditions.
| Grade | Ni | C | Mo | Mn | Si | F | Cu | S | P | Cr |
| SMO 254 | 17.5 – 18.5 | 0.02 max | 6 – 6.5 | 1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
| Element | Density | Melting Point | Yield Strength (0.2%Offset | Tensile Strength | Elongation |
| SMO 254 | 8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
Standard ASTM A182, A479 / ASME SA182, SA479
Dimensions DIN 125/127, ISO 7089/7090, ASME B18.22.1
Type Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling
Size M6-M64
Grade SMO 254 F44 UNS (S31254), DIN (1.4547)
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
The composition of SMO 254 Washers is primarily made up of high levels of chromium, nickel, molybdenum, and nitrogen, all of which significantly boost their corrosion resistance and mechanical strength. This unique blend helps them resist stress corrosion cracking and maintain solid tensile strength at both room temperature and moderately elevated levels. On the mechanical side, these washers show great toughness, high yield strength, and dependable load-bearing capabilities, ensuring they perform consistently under pressure and in chemically aggressive settings.
You’ll find SMO 254 Washers widely utilized in industries like oil and gas, offshore, marine, desalination, chemical processing, and pulp and paper. Common applications include flanged joints, pipelines, heat exchangers, pressure vessels, and seawater handling systems. Their outstanding resistance to chloride-induced corrosion makes them an excellent choice for installations that are exposed to saline water, high humidity, and harsh chemicals, guaranteeing secure fastening, lower maintenance needs, and a longer service life in demanding industrial environments.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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