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Mazin Fasteners stands out as a top-notch manufacturer and supplier of high-quality industrial fasteners, proudly based in Muscat, Oman. Catering to clients throughout Oman and the GCC, this company delivers reliable and durable fastening solutions that adhere to international standards. They offer an impressive selection of stainless steel products, including the renowned SMO 254 nuts, which are celebrated for their outstanding corrosion resistance, strength, and durability in tough environments. With a keen emphasis on precision manufacturing, rigorous quality control, and prompt delivery, Mazin Fasteners supports various industries such as chemical processing, petrochemical, marine, oil and gas, and infrastructure, ensuring consistent performance even in the most demanding applications.
The SMO 254 nuts are crafted from a high-alloy austenitic stainless steel that contains around 20% chromium, 18% nickel, 6.5% molybdenum, and 0.2–0.5% nitrogen. This unique blend offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, even in environments rich in chlorides. These nuts boast high tensile and yield strength, exceptional toughness, and impressive durability under mechanical stress. They maintain their mechanical stability and corrosion resistance in harsh chemical and marine settings, making them perfect for critical and high-performance applications.
| 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.
SMO 254 nuts find their place in a variety of applications that require top-tier corrosion resistance, strength, and reliability. You’ll commonly see them in chemical processing equipment, offshore platforms, marine installations, petrochemical plants, and desalination units. They’re also utilized in seawater handling systems, pipelines, heat exchangers, and pressure vessels. Thanks to their ability to endure aggressive corrosive environments and mechanical stress, SMO 254 nuts are the go-to choice for securing critical assemblies in industrial, marine, and chemical processing applications, ensuring long-lasting performance and safety.
Our SMO 254 nuts at Mazin 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.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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