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Pengkumta 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 Pengkumta Fasteners as they provide excellent strength and performance in extreme conditions.
Pengkumta Fasteners, a trusted manufacturer and supplier based in Bangkok, Thailand, specializes in high-quality SMO 254 Washers that are built to endure the toughest and most corrosive environments. Crafted from 6Mo austenitic stainless steel, known as SMO 254, these washers boast remarkable resistance to pitting, crevice corrosion, and chloride stress cracking. With their outstanding strength, toughness, and durability, they are perfect for critical fastening applications. Pengkumta is committed to upholding international quality standards, ensuring precision finishing and consistent performance, which makes SMO 254 Washers a reliable choice for various industries, including chemical processing, marine, oil and gas, and desalination plants.
| 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 find extensive use in applications that demand exceptional corrosion resistance and mechanical reliability. In the chemical processing sector, they are essential for acid-handling equipment, reactors, and piping systems. In marine applications, they are utilized in shipbuilding, seawater cooling systems, and offshore platforms due to their impressive resistance to saltwater corrosion. The oil and gas industry relies on them for pipelines, subsea systems, and refineries. Additionally, they play a crucial role in desalination plants and the paper and pulp industries, where strong resistance to chlorides and harsh chemicals is vital. Their versatility ensures they deliver long-lasting performance even in extreme environments.
The composition of SMO 254 Washers includes chromium (20%), molybdenum (6%), nickel (18%), nitrogen (0.2%), and low carbon content, providing exceptional corrosion resistance and mechanical strength. This alloy achieves a minimum tensile strength of 650 MPa and a yield strength of about 300 MPa, along with excellent impact toughness, even in sub-zero temperatures. Its well-balanced composition guarantees superior resistance to chloride-rich and acidic environments, as well as high durability under pressure and heat. These features make SMO 254 Washers one of the most dependable fastening solutions for challenging service conditions.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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