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Fasteners made of Inconel 625 are utilized at temperatures ranging from cryogenic to 1800° F (1000° C). One essential quality is the ability to resist oxidation. Fasteners made of Inconel 625 are entirely austenitic and exhibit outstanding corrosion resistance to a variety of cyclic corrosive environments. For tough and important applications, these are more affordable solutions. For applications requiring high temperatures, these fasteners are appropriate. These come in both tempered and quenched forms. In addition to chlorides, Inconel fasteners can be subjected to sulfuric, nitric, and phosphoric acids.
Inconel 625 Fasteners. Inconel 625 for fabrication of these fasteners. Inconel 625 is used because of its high strength, outstanding fabricability, and excellent corrosion resistance at mild to moderate temperatures range. Inconel 625 contains nickel, chromium, and molybdenum as the main components.
Inconel 625 is the best solution for welding. These fasteners change their shapes and types for different applications. Inconel 625 provides different types of fasteners such as nuts, screws, bolts, washers, and studs. The length of fasteners are vary from 3 mm to 200 mm as per application requirements.
Inconel alloys perform well in high-heat applications. When Inconel is heated, then appears a thick and stable alloy, while Inconel 625 forms a layer with good oxidation and corrosion protection. Underwater, Inconel 625 fasteners can stay at high temperatures and pressures. Inconel alloy is resistant to corrosion in an acid atmosphere. These products are perfect for seawater applications. The developed fasteners have some features; because of these features, fasteners are highly recommended for various applications. This fastener is against pitting corrosion attacks. Its high corrosion resistance and fatigue resistance, resistance to breaking due to stress, and good tensile strength make it the best product.
At high temperatures, Inconel 625 fasteners are used in high-stress applications. Inconel 625 fasteners have mechanical properties that include toughness, strength under pressure, enlargement at the break, and yield strength and thickness. These fasteners are used in oil & gas extraction, nuclear technology, and heat treatment applications. Fasteners have high weldability making them useful for making plant pipes & tubes.
Standard | ASTM B446 / ASME SB 446 |
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 |
Studs, Bolts, Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
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 of Bolting | as per EN 10204 / 3.1 Manufacturer Test Certificate |
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 | 0.015 max | – | 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 % |