Fasteners are an essential component in the construction and manufacturing industry. They hold joints and structures together and ensure their stability and security. Regarding fasteners, SMO 254 are some of the most durable and reliable options. SMO 254 Fasteners are two of the most resilient, corrosion-resistant, and durable fasteners. They are used in a wide range of applications, from subsea pipelines to offshore oil rigs, because they guarantee the stability and security of structures in harsh environments.
SMO 254 Fasteners Features
SMO F44 is a grade of Stainless Steel known for its excellent corrosion resistance, strength, and durability. F44 Fasteners are used in high-pressure applications like subsea pipelines, flanges, and pumps. The features of Stainless Steel F44 Fasteners include high resistance to pitting, crevice, and chloride stress corrosion cracking. They also resist erosion and corrosion fatigue and withstand high pressure and temperatures.
Table Content
SMO 254 Fasteners Corrosion Resistance
SMO 254 is another type of Super Duplex Steel specifically designed for high performance in seawater and marine environments. SMO 254 Fasteners have superior corrosion resistance and can withstand harsh conditions, making them suitable for offshore oil rigs, desalination plants, and other marine applications. SMO 254 Fasteners have a high chromium content, which protects against pitting corrosion. They are also resistant to halides and other corrosive agents in chloride environments.
SMO 254 Fasteners Chemical Composition
SMO 254 Fasteners have a chemical composition that includes iron, chromium, molybdenum, nickel, and other elements. The chromium and molybdenum content provides high resistance to corrosion, while the nickel and copper content enhances its strength and toughness. Combining these elements makes F44 Fasteners ideal for harsh environments, where high corrosion resistance, strength, and durability are essential.
SMO 254 Fasteners Heat Treatment
Heat treating is a process that alters the mechanical properties of materials by heating and cooling them at different temperatures. SMO 254 Fasteners have a unique heat treatment process that enhances strength and flexibility. The heat treatment involves a solution annealing process at 1150°C followed by immersion quenching in water. The material is then aged at 950°C for a minimum of 30 minutes to optimize its mechanical properties.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM F593, F594, A193, A194 / ASME SF593, F594, SA193, SA194 |
| Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Machine Screws Size | M1.6 – M12 |
| Self Tapping Screw Size | No.2 – No. 14 |
| Length | 3 mm to 200 mm |
| Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Fasteners |
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| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production Process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Types | Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc. |
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SMO 254 Bolts
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Alloy 254 Nuts
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SMO 254 Washers
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SMO 254 Screw
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Stainless Steel 254 SMO Stud Bolt
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Alloy 254 U Bolts
- SMO 254 Nut Bolt
- SMO 254 Industrial Fasteners
- SMO 254 Double Ended Studs
- 254 SMO Fasteners
- 254 SMO Anchor Fasteners
- 254 SMO Hex Head Bolt
- ASME SF593 SMO 254 Fasteners
- 254 SMO Stainless Steel Socket Set Screw
- 254 SMO Dome Washer
- UNS S31254 Fasteners
- SMO 254 Fasteners
- Alloy 254 U Bolts
- SMO 254 Washer
- 254 SMO Eye Bolts
- 254 SMO Fasteners Price List
- 254 SMO Washers
- Stainless Steel SMO 254 Square Nuts
- SMO 254 Carriage Bolts
- Stainless Steel SMO 254 Heavy Hex Bolts
- SMO 254 Spring Washer
- SMO 254 Structural Bolts
- SMO 254 Studs
- Alloy 254 Plain Washer
- SMO 254 Self Locking Nuts
- SMO 254 Threaded Rod
- Stainless Steel 254 SMO Allen Cap Screw
- Alloy 254 Wing Nuts
- SMO 254 Stud Bolts
- SMO 254 Allen Cap Screw
- Thick SMO 254 Washers
- SMO 1.4539 Fastener
- 6 Moly Coupling Nuts
- 254 SMO Self Tapping Screw
- SMO 254 Flat Washers
- 254 SMO Acorn Nuts
- SMO 254 Stainless Steel Ogee Washers
- Alloy 254 Heavy Hex Nuts
- 254 SMO Bolts and Nuts
| STANDARD | WERKSTOFF NR. | UNS | JIS | SIS | GOST | AFNOR | EN |
| SMO 254 | 1.4547 | S31254 | - | 2378 | - | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 |
| Grade | % | Ni | Cr | Mo | Cu | N | C | Mn | Si | P | S |
| SMO 254 | Min. | 17.5 | 19.5 | 6 | 0.5 | 0.18 | |||||
| Max. | 18.5 | 20.5 | 6.5 | 1 | 0.22 | 0.02 | 1 | 0.8 | 0.03 | 0.01 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SMO 254 | 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 % |
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