Nickel alloys have gained massive popularity in manufacturing for their exceptional mechanical and chemical properties. Among all the nickel alloys, Inconel 625 is one of the most widely used due to its exceptional strength, corrosion resistance, and high-temperature stability. One of the products produced from this alloy is the Inconel 625 Fasteners.
Features of Inconel 625 Fasteners
Inconel 625 fasteners are known for their extensive range of features, making them an ideal choice for many applications. These features include high strength, excellent corrosion resistance, high-temperature stability, and machinability. Inconel 625 fasteners can withstand temperatures up to 1800°F and are perfect for high-stress applications where high strength is essential. These fasteners can be easily fabricated and offer excellent pitting and crevice corrosion resistance. Moreover, they are highly resistant to oxidation and can withstand exposure to various chemicals.
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Corrosion Resistance of Inconel 625 Fasteners
One of the most significant advantages of Inconel 625 fasteners is their exceptional corrosion resistance. Inconel 625 fasteners resist corrosion from various chemicals, including sea and mineral acid, chloride ions, and sour gas. Moreover, they offer excellent resistance to stress corrosion cracking, which makes them ideal for marine, chemical, and petrochemical applications. Their resistance to hostile environments such as seawater, sulfides, and hydrochloric acid makes them an exceptional choice for offshore and subsea applications.
Chemical Composition of Inconel 625 Fasteners
The chemical composition of Inconel 625 fasteners plays a vital role in its exceptional mechanical and chemical properties. Inconel 625 fasteners comprise nickel, chromium, molybdenum, and niobium. It also contains iron, carbon, copper, manganese, phosphorus, sulfur, and silicon traces. The high nickel content in Inconel 625 fasteners helps to improve their corrosion resistance and high-temperature stability. Moreover, the chromium content enhances their resistance to oxidation and sulfidation environments, while the molybdenum and niobium content adds to their strength.
Heat Treatment of Inconel 625 Fasteners
Inconel 625 fasteners are known for their excellent strength and resistance to corrosion, making them an ideal choice for high-stress applications. The heat treatment process plays a vital role in improving the mechanical properties of these fasteners. After manufacturing, Inconel 625 fasteners are usually solution annealed at temperatures between 1900°F-2050°F, followed by quenching in water to enhance their strength and corrosion resistance. After annealing, Inconel 625 fasteners are further treated with precipitation-hardening to improve their tensile strength, hardness, and resistance to fatigue and stress corrosion cracking.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM B446 / ASME SB446 |
| 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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Inconel 625 Bolts
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Inconel 625 Nuts
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Inconel 625 Washers
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Nickel Alloy 625 Screw
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Alloy 625 Stud Bolt
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625 Inconel Alloy U Bolts
- Inconel 625 Carriage Bolts
- Alloy 625 Heavy Hex Bolts
- Nickel Alloy 625 Square Nuts
- 625 Inconel Alloy U Bolts
- Inconel Alloy 625 Fastener
- Inconel 625 Fasteners Price List
- Nickel Alloy 625 Dome Washer
- Alloy 625 Fasteners
- UNS N06625 Fasteners
- ASME SB446 Inconel 625 Fasteners
- 625 Inconel Socket Set Screw
- Inconel 625 Stud Bolts
- Inconel 625 Nut Bolt
- Inconel® Alloy 625 Anchor Fasteners
- Alloy 625 Eye Bolts
- Inconel 625 Fasteners
- Inconel 625 Industrial Fasteners
- Inconel 625 Washers
- Inconel 2.4856 Fastener
- Inconel® Alloy 625 Wing Nuts
- Nickel Alloy 625 Coupling Nuts
- Inconel 625 Bolts and Nuts
- Thick Inconel 625 Washers
- Inconel 625 Structural Bolts
- 625 Inconel Hex Head Bolt
- Alloy 625 Self Locking Nuts
- Inconel® Alloy 625 Acorn Nuts
- Inconel 625 Allen Cap Screw
- Inconel 625 Flat Washers
- Inconel 625 Ogee Washers
- Inconel 625 Studs
- Inconel 625 Threaded Rod
- Inconel® Alloy 625 Self Tapping Screw
- Inconel 625 Spring Washer
- Inconel Alloy 625 Plain Washer
- Inconel 625 Heavy Hex Nuts
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 625 | 2.4856 | N06625 | NCF 625 | NA 21 | ХН75МБТЮ | NC22DNB4M | NiCr22Mo9Nb |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015max | - | 5.0 max | 58.0 min | 20.0 - 23.0 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel 625 | 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 517 | 42.5 % |
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