Table Of Content
Inconel 800 Fasteners utilized in several application industries. It includes a number of components like screw, Bolts, Nuts, and washers in assortment such as Square, Hex, Threading as per Gauge, Round. Inconel 800 Fasteners are nickel-chromium-iron alloy fasteners that demonstrate resistant to oxidisation and degradation under extreme temperature conditions. Long-term exposure does not affect the stability of these fasteners, which retain their austenitic structure. These are able to withstand aqueous, oxidising, and reducing conditions well. In temperatures up to 1100 degrees, these fasteners are mostly useful.
Inconel 800H Fasteners are specifically developed for elevated temperature applications. As it contains Aluminium and Titanium, it gives efficient toughness in upper-level heats. Carbon content in Fastener material composition results in excellent strength improving thermal capacity. Large Iron vale added with Chromium enhances the strength and corrosion properties of these fasteners. It can be produced with an advanced version of Inconel 800 as Inconel 800H and 800HT grades to implement thermal structural applications.
Inconel 800HT Fasteners are easily formable and adaptable in several systems. It has excellent creep-rupture resistance. Marine applications involve the utilization of these Inconel 800 fasteners with outstanding resistance to aqueous corrosion and chloride effects. It opposes the high-temperature corrosion effect, and excellent protection from oxidation and carburization is obtained.
The inclusion of nickel ensures exceptional resistance to chloride stress corrosion cracking as well as galvanic corrosion via sigma phase precipitation. Additionally, these exhibit improved general corrosion resistance and offer superior stress rupture creep capabilities at high temperatures. When these types of fasteners are cold and hot produced using standard ways, the machining process tends to work harden them. As a result, the fasteners’ excellent formability results in greater ductility. These grades of fasteners are welded using the conventional welding procedure utilising filler metal that matches.
Standard | ASTM B408 / ASME SB 408 |
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 |
Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 |
Incoloy 800H | 1.4958 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 |
Incoloy 800HT | 1.4959 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 |
Grade | Ni | Fe | Cr | Cu | Ti | Al | C | Mn | S | Si |
Incoloy 800 | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .15-.60 | .15-.60 | .1 max | 1.5 max | .015 max | 1.0 max |
Incoloy 800H | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .15-.60 | .15-.60 | .05-.10 max | 1.5 max | .015 max | 1.0 max |
Incoloy 800HT | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .25-.60 | .85-1.20 | .06-.10 max | 1.5 max | .015 max | 1.0 max |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
7.94 g/cm3 | 1350-1400 ℃ | Psi – 75,000 , MPa -520 | Psi – 30,000 , MPa – 205 | 30 – 35 % |