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Brian Fasteners, based in Houston, USA, stands out as a top manufacturer and supplier of high-quality SMO 254 Nuts, delivering dependable fastening solutions for tough industrial settings. Known for our precision in manufacturing and unwavering quality, we provide SMO 254 Nuts that are designed to excel in the most challenging conditions. These nuts are perfect for corrosive and high-temperature environments, making them a go-to choice across various industries, including marine, chemical processing, and offshore oil and gas. With a strong commitment to durability, performance, and customer satisfaction, we offer fastening products that not only meet global quality standards but also go above and beyond what our clients expect.
SMO 254 is a super-austenitic stainless steel alloy that contains about 20% chromium, 18% nickel, 6% molybdenum, and a crucial trace of nitrogen (around 0.2%). This unique blend gives it remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in environments rich in chlorides. SMO 254 Nuts boast impressive mechanical strength, typically achieving a tensile strength of 650 MPa and a yield strength of around 300 MPa. Their high toughness, excellent weldability, and formability make them a favored option for applications that require both corrosion resistance and mechanical performance in harsh chemical or marine 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 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.
These nuts are extensively utilized in highly corrosive environments where standard stainless steels fall short. Key applications include desalination plants, offshore drilling rigs, marine equipment, and chemical processing systems. Their resistance to saltwater, acids, and aggressive cleaning chemicals makes them particularly valuable for heat exchangers, storage tanks, and flue gas desulfurization units. Additionally, their strength and reliability under high pressures and temperatures render them suitable for pressure vessels and reactors. SMO 254 Nuts ensure long-lasting performance and safety in infrastructure that faces extreme conditions.
Our SMO 254 nuts at Brian Fasteners are packed in a manner that will allow them to be in the best condition when they get to the client. Every nut is covered and sealed in a strong and moisture proof pack to avoid spoilage and damage. Proper labeling will help in identification and management of the products or items in the store. Our packing is also very careful to ensure that the nuts do not lose their quality; they are ready for use which is a reflection of our quality products and quality service delivery.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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