In the construction industry, fasteners are crucial in holding different structures together. It is why choosing the right type of fastener is essential to ensure the stability and durability of a structure. One of the popular options is the Stainless Steel 347 Fasteners. Often used for high-temperature applications, these fasteners are made of a combination of elements that make them durable, corrosion-resistant, and tough.
Features of Stainless Steel 347 Fasteners
The most significant feature of stainless steel 347 fasteners is their high-temperature resistance. They are designed to withstand extreme heat, making them ideal for high-temperature environments, such as engines and boilers. Stainless steel 347 fasteners also offer excellent resistance to corrosion, chemicals, and wear, ensuring the longevity of the structure they hold together.
Table Content
Corrosion Resistance of Stainless Steel 347 Fasteners
Stainless steel 347 fasteners offer exceptional resistance to corrosion thanks to their high chromium and nickel content. The chromium creates a passive film on the surface of the fastener, protecting the material from further corrosion. Adding niobium to the material also makes it less sensitive to sensitization, which can lead to intergranular corrosion in high-temperature environments.
Chemical Composition of Stainless Steel 347 Fasteners
Stainless steel 347 fasteners comprise a combination of elements, including iron, chromium, nickel, and niobium. The amount of each element is carefully balanced to provide the fastener with the necessary characteristics. For example, adding niobium to the material improves its high-temperature strength and resistance to sensitization. On the other hand, the high chromium and nickel content provides the fastener with exceptional corrosion resistance.
Machining of Stainless Steel 347 Fasteners
Stainless steel 347 fasteners are known for their toughness, making them difficult to machine. However, they can be machined effectively with the right tools and techniques. Carbide tooling is recommended for cutting stainless steel 347 fasteners, as it can handle the material's toughness and resistance to wear.
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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Stainless Steel 347 Bolts
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347 Stainless Steel Nuts
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Stainless Steel 347 Washers
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347 Stainless Steel Screw
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347 Stainless Steel Stud Bolt
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347 SS U Bolts
- SS 347 Fasteners Price List
- SS 347 Washers
- SS 347 Eye Bolts
- 347 Stainless Steel Double Ended Studs
- Stainless Steel 347 Washer
- 347 Stainless Steel U Bolts
- 347 Stainless Steel Fasteners
- 347 Stainless Steel Heavy Hex Bolts
- UNS S34700 Fasteners
- Stainless Steel 347 Nut Bolt
- Stainless Steel 347 Industrial Fasteners
- Stainless Steel 347 Fasteners
- SS 347 Hex Head Bolt
- SS 347 Dome Washer
- 347 Stainless Steel Square Nuts
- ASME SF593 Stainless Steel 347 Fasteners
- 347 Stainless Steel Socket Set Screw
- SS 347 Anchor Fasteners
- Stainless Steel 347 Carriage Bolts
- Stainless Steel 347 Spring Washer
- SS 347 Self Tapping Screw
- 347 Stainless Steel Ogee Washers
- Stainless Steel 347 Structural Bolts
- Thick Stainless Steel 347 Washers
- 347 Stainless Steel Wing Nuts
- 347 Stainless Steel Plain Washer
- 347 Stainless Steel Bolts and Nuts
- Stainless Steel 1.4550 Fastener
- SS 347 Acorn Nuts
- Stainless Steel 347 Stud Bolts
- Stainless Steel 347 Flat Washers
- 347 Self Locking Nuts
- Stainless Steel 347 Threaded Rod
- 347 Stainless Steel Allen Cap Screw
- 347 Stainless Steel Coupling Nuts
- Stainless Steel 347 Studs
- 347 Stainless Steel Heavy Hex Nuts
- Stainless Steel 347 Allen Cap Screw
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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