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Yasin Fasteners, based in Istanbul, Turkey, is a top-notch manufacturer and supplier known for its high-quality fastening solutions, including the exceptional SMO 254 Washers. These washers are crafted to deliver outstanding durability and performance, utilizing cutting-edge technology and rigorous quality controls. Made from super austenitic stainless steel, SMO 254 offers impressive resistance to pitting, crevice corrosion, and chloride stress cracking, making them incredibly reliable in tough environments. Yasin Fasteners guarantees precision-engineered washers that adhere to international standards, serving various industries like chemical processing, marine, oil and gas, and desalination plants, where strength, longevity, and corrosion resistance are essential.
SMO 254 Washers are made up of high chromium (20%), molybdenum (6%), and nitrogen, with a balanced nickel content that boosts corrosion resistance. This unique alloy composition provides remarkable strength and resilience in harsh environments. Their mechanical properties include a high tensile strength of about 650 MPa, a yield strength of around 300 MPa, and excellent elongation, ensuring they are tough and durable. These washers also showcase superior impact strength and hardness, maintaining stability in both low and high temperatures. Their exceptional resistance to seawater, acidic, and chloride-rich conditions makes them a reliable choice for critical operations.
| 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 widely used in marine applications such as shipbuilding and offshore platforms where they are exposed to seawater. They are essential for chemical processing industries since they offer the best protection from aggressive chemicals and high temperatures. Moreover, these washers are used in heat exchangers, pulp and paper industries and other industries where high strength and resistance to detrimental conditions is needed for proper functioning.
SMO 254 Washers find extensive use in industries that require high corrosion resistance and mechanical strength. They are commonly used in chemical processing plants, where exposure to acidic and chloride-laden environments is frequent. In the marine and offshore sectors, these washers offer dependable fastening solutions for ships, rigs, and seawater equipment. They also play a vital role in oil and gas refineries, desalination plants, and pulp and paper industries, ensuring reliability in demanding applications.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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