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Weston Stainless, Midland, UK, is a prominent supplier and manufacturer of stainless steel products of high quality, catering to diverse industries with precision-engineered materials. Its specialty lies in SMO 254 Stud Bolts, which are renowned for their extraordinary strength, corrosion resistance, and long life. These stud bolts are made of Grade SMO 254, a high-alloyed austenitic stainless steel with excellent resistance to pitting and crevice corrosion. In fully threaded, double-end, and tap-end forms, the material is mostly made up of chromium, nickel, molybdenum, and nitrogen. SMO 254 Stud Bolts are used extensively in marine, chemical, and offshore sectors demanding high-performance fasteners.
SMO 254 Stud Bolts contain around 19.5-20.5% Chromium, 17.5-18.5% Nickel, 6-6.5% Molybdenum, 0.18-0.22% Nitrogen, trace amounts of Manganese, Silicon, Phosphorus, Sulfur, and Carbon, and the balance Iron. Their mechanical properties are tensile up to 650 MPa, yield strength of about 300 MPa, hardness up to 100 HB, and elongation of 35%. Their physical characteristics are a density of 8 g/cm³, thermal conductivity of 14.5 W/m·K, and an electrical resistivity of 85 µΩ·cm. These make them well-suited for applications in high-corrosion, high-strength environments in harsh conditions.
| SMO 254 Stud Bolt Specifications | ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472 |
| SMO 254 Stud Bolt Dimensions | ASTM,DIN, BS,GB, IS and all International Standards |
| SMO 254 Stud Bolt Length | 3 mm to 200 mm |
| SMO 254 Stud Bolts Size | M02 to M33 | Custom Sizes |
| SMO 254 Stud Bolt Type | Stud Bolts, Heavy Stud bolt, Tie Bar, Tie Rod, Continuous Threaded Stud Bolts (Fully Threaded Studs without Chamfered Ends), Tap End Stud Bolts, Double End Stud Bolts, Double End Stud Bolts with Reduced Shank, Flange Stud Bolts (Fully Threaded Studs with Chamfered Ends), MS Stud Bolts, Metric Thread Stud Bolt, Rough Forged Stud Bolts, Stud Half Thread Bolts etc. |
| SMO 254 Stud Bolts Coating |
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| SMO 254 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
| 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 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
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Superior corrosion resistance and strength, ideal for extreme environments. Their robust performance and durability make them suitable for demanding marine and industrial applications.
High-performance 254 SMO alloy, offer exceptional resistance to corrosion and high strength. They are ideal for challenging industrial and marine environments.
Exceptional strength and resistance to severe corrosion. Their reliable performance in extreme environments makes them perfect for critical applications in marine and industrial settings.
Outstanding corrosion resistance and strength, making them ideal for harsh environments. Their robust design ensures reliable performance in demanding industrial and marine applications.
Exceptional strength and corrosion resistance, ideal for high-demand environments. Their durability and reliability make them perfect for industrial and marine panel installations.
High-performance 254 SMO stainless steel, offer superior corrosion resistance and strength. They are ideal for demanding industrial and marine applications where durability is crucial.
SMO 254 Stud Bolts are used extensively in applications where higher corrosion resistance, strength, and durability are needed. They find applications in marine conditions, offshore oil and gas platforms, and seawater desalination plants because of their good resistance to chloride-induced corrosion. In chemical and petrochemical industries, they are applied in heat exchangers, pressure vessels, and reactors for processing aggressive chemicals. These stud bolts are also used in power generation, pulp and paper manufacturing, and food processing facilities where high performance fasteners are necessary to endure high temperatures, high pressures, and corrosive elements.
SMO 254 Stud Bolts include test certificates like Mill Test Certificates (MTC) to EN 10204 3.1 or 3.2, third-party inspection certificates, and quality assurance certificates ensuring adherence to industrial standards. The SMO 254 Stud Bolts are tightly packaged in wood crates, cartons, or protective cover to avoid damage while shipping. They are delivered promptly with dependable shipment facilities available in the domestic market as well as the international market to provide an uninterrupted supply of SMO 254 Stud Bolts.







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