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Hazlewood Fasteners, located in Canberra, Australia, is a reliable manufacturer and supplier of top-notch SMO 254 Nuts, crafted for exceptional corrosion resistance and strength in tough industrial settings. These high-alloy austenitic stainless steel nuts are designed to excel in environments rich in chlorides, acids, and high temperatures. Renowned for their impressive resistance to pitting, crevice corrosion, and stress corrosion cracking, SMO 254 Nuts offer dependable fastening solutions for highly corrosive applications. With a well-rounded mix of strength, toughness, and corrosion resistance, they find extensive use in offshore, chemical processing, desalination, and marine industries.
SMO 254 Nuts are made up of about 20% chromium, 18% nickel, 6% molybdenum, and 0.2% nitrogen, providing remarkable resistance to halide environments and reducing acids. These nuts boast a tensile strength of around 650 MPa and a yield strength of approximately 300 MPa, ensuring excellent toughness and ductility even at cryogenic temperatures. Their high PREN (Pitting Resistance Equivalent Number) value exceeding 42 guarantees superior chloride resistance compared to standard stainless steels. SMO 254 Nuts also offer great weldability, formability, and long-lasting durability, making them perfect for critical industrial fastening needs.
| 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 are widely utilized in desalination plants, offshore oil rigs, and the chemical and petrochemical industries, as well as in pulp and paper processing and seawater handling systems. Their exceptional resistance to pitting and crevice corrosion makes them perfect for environments with chlorides, sulfates, and acids. These nuts are also commonly found in heat exchangers, marine equipment, food processing facilities, and wastewater treatment systems. Furthermore, SMO 254 Nuts are favored in industries where both high strength and corrosion resistance are essential under extreme conditions.
Our SMO 254 nuts at Hazlewood 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.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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