N07718 Stud Bolt INCONEL 718 Bolt nuts
Alloy 718, often referred to as Inconel 718, is a high-strength, corrosion-resistant nickel chromium alloy supplied in the hot worked, solution annealed and age hardened condition.
As a nickel-chromium alloy, Inconel 718 possesses acceptable corrosion resistance in a range of environments including sea water, hydrogen sulphide, CO2, elemental sulphur and chloride ions over various temperatures. It is resistant to sulphide stress cracking and is capable of passing the sulphide stress corrosion test in accordance with NACE TM 0177 Method C solution A.
Furthermore, Alloy 718 also features exceptional welding properties – even in comparison to other Inconel alloys. As a result of these exceptional welding properties, Inconel Alloy 718 is suitable for a wide range of applications.
ASTM F2281 Inconel 718 stud bolt in both Half Threads & Full Threads Configuration with size ranging from M5 to M72. We provide Inconel 718 Stud bolts,Hex bolt,studs,screws with UNC & UNF Threads.
Inconel Equivalent Material & Designation
| Alloy 600 | Inconel 600 | EN/DIN 2.4816 | UNS N06600 | Alloy 600 |
| Alloy 625 | Inconel 625 | EN/DIN 2.4856 | UNS N06625 | Alloy 625 |
| Alloy 718 | Inconel 718 | EN/DIN 2.4668 | UNS N07718 | Alloy 718 |
ASTM A1014 Inconel 718 bolt Chemical composition:
| Alloy | % | Ni | Cr | Fe | Mo | Nb | Co | C | Mn | Si | S | Cu | Al | Ti |
| inconel 718 | Min. | 50 | 17 | balance | 2.8 | 4.75 | 0.2 | 0.7 | ||||||
| Max. | 55 | 21 | 3.3 | 5.5 | 1 | 0.08 | 0.35 | 0.35 | 0.01 | 0.3 | 0.8 | 1.15 |
ASTM A1014 Inconel 718 Alloy mechanical properties in the room temperature:
| Alloy | Tensile strength Rm N/mm² | Yield strength R P0. 2N/mm² | Elongation A 5 % | Brinell hardness HB |
| Solution treatment | 965 | 550 | 30 | ≤363 |
Stud Bolts are externally threaded fasteners without a head, used with 2 nuts on either side, substituting a usual “bolt & nut” assembly.
Hex bolts are a type of threaded bolt, characterised by their six-sided hexagonal-shaped head. Hex bolts can be either fully threaded or partially threaded.
Inconel 718/N07718 Stud bolt Heat treatment
Two heat treatments are generally utilized for INCONEL alloy 718: •Solution anneal at 1700-1850°F followed by rapid cooling, usually in water, plus precipitation hardening at 1325°F for 8 hours, furnace cool to 1150°F, hold at 1150°F for a total aging time of 18 hours, followed by air cooling.
Inconel 718/N07718 Stud bolt character
- Good strength/ductility properties from sub-zero temperatures to over 750°C
- Acceptable corrosion resistance and fatigue resistance in a wide variety of corrosive chemicals such as seawater and industrial acids
- Non-magnetic and spark resistant
- Excellent resistance to stress corrosion cracking, chloride stress corrosion & sulphide stress cracking
- High fatigue strength in seawater
Inconel 718/N07718 Stud bolt Applications:
- Oil & Gas industry wellhead components, gate valves, choke stems, fasteners, packers, clamps, tubing hangers, downhole equipment
- Power generation applications such as fasteners, turbines
- Aerospace components
- Nuclear power plant containment vessels, valves
- Engineering applications between 750°C and cryogenic temperatures
Inconel 718/N07718 Bolt and Nut Standards
ISO 4014, ISO 4017, ISO 4033, ISO 261
DIN 938, DIN 939, DIN 940, DIN 975, DIN 976, DIN 2510, DIN 931, DIN 933, DIN 126, DIN 732, DIN 934
ASME B18.2.1 ASME B18.2.3.5M, ASME B18.2.6M, ASME B18.31.2M, ASME B18.22.1, ASME B18.2.2, ASME B18.2.4.1M, ASME B18.2.4.2M, ASME B18.2.4.6M
ANSI B18.2.1, ANSI B18.2.3.5M, ANSI B18.2.6M, ANSI B18.31.2M, ANSI B18.22.1, ANSI B18.2.2, ANSI B18.2.4.1M, ANSI B18.2.4.2M, ANSI B18.2.4.6M
Inconel 718/N07718 Bolt and Nut Sizes
M12 to M100
1/2“ to 4”
**Bolt Length ：**40 – 3000 mm, customized length
Fastener Surface coatings
PTFE coated, TEFLON coated, XYLAN coated
Colors: blue, green, red,