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Mira Fasteners, a company based in Kuala Lumpur, Malaysia, is a prominent manufacturer and supplier of high-performance stainless steel fastening components like **SMO 254 Washers**. These washers, engineered with superior corrosion resistance and mechanical strength, find excellent application in harsh conditions like chemical processing, offshore, and marine industries. Mira Fasteners has a reputation for supplying precision-machined fasteners as per international quality standards. With an emphasis on reliability, durability, and innovative metallurgy, the company makes its SMO 254 Washers last long even under extremely aggressive and chloride-containing environments.
SMO 254 washers are quite popular for their high resistance to corrosion, especially in chloride containing environment. The high alloy content such as molybdenum gives very good resistance to pitting, crevice corrosion and stress corrosion cracking. These washers are characterized by high strength and resistance, thus guaranteeing their efficiency in marine, chemical and industrial uses. This makes them able to endure harsh conditions and reduce chances of frequent maintenance hence improving their durability.
| 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.
**SMO 254 Washers** are produced from a high-alloy austenitic stainless steel with a composition of about 20% chromium, 18% nickel, 6% molybdenum, and added nitrogen and copper. The composition gives them outstanding resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. The washers have high tensile strength (about 650 MPa), great ductility, and impact toughness at low temperatures. SMO 254 also possesses a PREN greater than 42.5 and is more resistant to corrosion than typical stainless steels such as 316L. Such characteristics render SMO 254 Washers suitable for severely corrosive, high-salinity conditions.
SMO 254 Washers find extensive use in extremely corrosive environments in which other stainless steels would be unable to function. They are widely used in offshore oil and gas platforms, desalination plants, marine equipment, and chemical processing plants where there is high exposure to chlorides and acids. They are applied in bleaching equipment and digesters in the pulp and paper sector. The washers are also critical in heat exchangers, pressure vessels, and seawater handling systems. Due to their greater corrosion resistance, strength, and lifespan, SMO 254 Washers are a trusted option for long-term, critical fastening in harsh conditions.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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