Aerospace Inconel 686 fasteners
Aerospace Inconel 686 fasteners are high-performance nickel-based alloy fasteners designed for extreme environments. They are mainly made of nickel (Ni), chromium (Cr), molybdenum (Mo), and tungsten (W). These fasteners are made by precision machining and heat treatment. They have excellent corrosion resistance, high-temperature strength, and oxidation resistance. They are ideal for aerospace, chemical, and marine engineering fields.
Aerospace Inconel 686 fasteners are widely used in aircraft engines (combustion chambers, turbine parts), spacecraft (rockets, satellite high-temperature structures), and marine chemical equipment (corrosion-resistant pipe connections). These fasteners can keep stable performance under extreme high temperature, corrosion, and mechanical loads. They are key parts for the reliable operation of high-end equipment.
Features of Aerospace Inconel 686 fasteners
Excellent Corrosion Resistance:
Aerospace Inconel 686 fasteners show very strong resistance to pitting, crevice corrosion, and stress corrosion cracking in acidic, chloride, and sulfide environments. They are much better than ordinary stainless steel.
Excellent High-Temperature Performance:
Aerospace Inconel 686 fasteners can work for a long time in high-temperature environments above 700°C. They keep high strength and anti-creep properties. They are suitable for high-temperature parts like aircraft engines and gas turbines.
High Mechanical Strength:
Aerospace Inconel 686 fasteners are made by cold working and age hardening. Their tensile strength and fatigue life are greatly improved. They can bear extreme mechanical loads.
Oxidation Resistance:
Aerospace Inconel 686 fasteners form a dense chromium oxide layer on the surface to stop further oxidation. They are good for high-oxidation atmospheres, like rocket propulsion systems.

Applications of Aerospace Inconel 686 fasteners
Aircraft Engines: Aerospace Inconel 686 fasteners are used in combustion chambers and turbine blade fasteners to withstand high-temperature and high-pressure gas erosion.
Spacecraft Structures: Aerospace Inconel 686 fasteners connect key components in heat-resistant parts of satellites and rockets. They resist extreme temperature differences and radiation in space.
Marine and Chemical Equipment: Aerospace Inconel 686 fasteners are used for flange fastening of seawater-resistant and acid-resistant pipes on offshore platforms and in chemical plants.

|
Parameter |
Specification / Performance Data |
Remarks |
|
Material Standard |
ASTM B366 / AMS 5827 |
Complies with aerospace standards |
|
Main Composition |
Ni (58-63%), Cr (19-23%), Mo (15-17%), W (3-4%) |
Minor Fe, Mn, Si, etc. |
|
Tensile Strength |
≥ 965 MPa (140 ksi) |
After solution + aging treatment |
|
Yield Strength |
≥ 550 MPa (80 ksi) |
Typical value |
|
Elongation |
≥ 30% |
Indicates material ductility |
|
Hardness |
HRC 25-35 |
Adjustable per requirements |
|
Temperature Range |
-200°C to +700°C |
Long-term operating range |
|
Corrosion Resistance |
Resistant to chloride stress corrosion, sulfuric/phosphoric acid environments |
Superior to 316 stainless steel |
|
Common Types |
Bolts, nuts, screws, washers, rivets |
Complies with NAS/AN/MS standards |
|
Thread Standards |
UNF, UNC, MJ threads (e.g., M6-M24) |
High-precision aerospace threads |
|
Surface Treatment |
Passivation, silver/nickel plating |
Enhances corrosion resistance & conductivity |
FAQ
Are you a factory or manufacturer?
A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method?
A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.
Why is your product so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.
Do you do spot quality inspection or full inspection?
A: 100% full inspection for sure. All unqualified products are discarded.
How do you ensure your lead time?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of Aerospace Inconel 686 fasteners?
A: Depends on quantity, generally, no MOQ limit.
How to pay for it?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time?
A: around 7-20 days which depends on the quantity and production.
What is kind of the package?
A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo
What is the lead time?
A: from order placed to cargo receiving will take around 10-25 days.
Hot Tags: aerospace inconel 686 fasteners, China aerospace inconel 686 fasteners suppliers, factory, Inconel 625 Pipe, Kovar Seamless Pipe, Nickel Based Alloys




