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Punit Fasteners, a well-respected manufacturer and supplier based in Delhi, India, proudly offers a top-notch selection of SMO 254 Nuts, known for their outstanding corrosion resistance and strength. With a focus on high-performance fasteners, Punit Fasteners ensures that their products adhere to rigorous international quality and reliability standards. These SMO 254 Nuts are specifically designed to thrive in the toughest conditions, including environments exposed to seawater and harsh chemicals. Thanks to their commitment to precision manufacturing and timely delivery, Punit Fasteners has earned a solid reputation among clients in sectors like chemical processing, marine, and offshore engineering, providing durable fastening solutions both in India and around the world.
The SMO 254 Nuts from Punit Fasteners are crafted from a high-alloy austenitic stainless steel that features around 20% chromium, 18% nickel, 6% molybdenum, and nitrogen. This unique blend offers exceptional resistance to pitting and crevice corrosion, particularly in chloride-heavy environments. Their mechanical properties boast a minimum tensile strength of 650 MPa, a yield strength of 300 MPa, and an elongation of 35%. Additionally, SMO 254 Nuts demonstrate impressive impact strength and toughness, even at both room and sub-zero temperatures. These remarkable mechanical and chemical properties make them perfect for demanding industrial applications that face high corrosion and stress.
| 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 934/936/982/985, ISO 4032 / 4033 /4035, ASME B18.2.2, B18.2.4.6M
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Size M6-M100
Type Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling
Length 3 mm to 200 mm
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.
Punit Fasteners’ SMO 254 Nuts find extensive use in industries that require robust resistance to strong chlorides, acids, and seawater corrosion. They are particularly suited for applications in desalination plants, chemical processing, marine and offshore engineering, pulp and paper production, and power generation facilities. These nuts are ideal for assembling pumps, valves, heat exchangers, and piping systems that operate in highly corrosive or high-salinity settings. Their ability to endure aggressive chemical exposure and significant mechanical stress makes SMO 254 Nuts a dependable choice for critical applications across various sectors.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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