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GH4169, equivalent to Inconel 718, is a nickel-chromium-based superalloy strengthened by precipitation hardening. It is widely recognized for its exceptional high-temperature strength, fatigue resistance, and excellent mechanical properties under extreme conditions. The wire form of GH4169 is particularly valuable in aerospace applications, especially for manufacturing jet engine turbine discs, where high stress, thermal cycling, and oxidation resistance are critical.
A-286,Nimonic80A,Nimonic90,Nimonic75,GH3030,GH3044,GH3039,GH4145,GH4169,GH2747
DLX
Bright
8.4g/cm3
ISO9001
5kg
1300-1390°C
5-20 Days
chemical,petroleum
Nickel
Product Description
GH4169 (Inconel 718) High Temperature is a kind of precipitation-hardening nickel-chromium alloy renowned for its outstanding high-temperature strength and oxidation resistance. GH4169 (Inconel 718) maintains exceptional mechanical properties and structural stability at elevated temperatures, making it a premier choice for demanding applications. This alloy wire also exhibits good resistance to corrosion in oxidizing atmospheres and certain aqueous environments.
GH4169 (Inconel 718) High Temperature is particularly valued for its high creep strength and resistance to thermal fatigue. An important characteristic of this alloy is its excellent hot workability and forgeability, facilitating the production of complex high-temperature components.
GH4169 (Inconel 718) High Temperature is designed to maintain superior tensile and yield strength at temperatures up to 815°C (1500°F), delivering reliable mechanical performance under sustained stress in extreme thermal environments.
The alloy's high chromium content forms a stable protective oxide layer, providing critical resistance to oxidation and scaling in aggressive high-temperature atmospheres, essential for long-term component integrity.
GH4169 (Inconel 718) High Temperature exhibits exceptional microstructural stability under repeated thermal cycling, resisting embrittlement and phase degradation in aerospace applications with rapid temperature fluctuations.
GH4169 (Inconel 718) High Temperature achieves outstanding resistance to creep deformation, ensuring dimensional stability and longevity under continuous mechanical loads at elevated temperatures.
Specification
| Item | A-286 | Nimonic75 | Nimonic80A | Nimonic90 | GH3030 | GH3044 | GH3039 | GH4145 | GH4169 | GH2747 |
| C | ≤0.08 | 0.08-0.15 | ≤0.1 | ≤0.13 | ≤0.12 | ≤0.1 | ≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 |
| Mn | ≤2 | ≤1 | ≤1 | ≤1 | ≤0.7 | ≤0.5 | ≤0.4 | ≤1 | ≤0.35 | ≤1.00 |
| Fe | rest | ≤5 | ≤3 | ≤1.5 | ≤1.5 | ≤4 | ≤3.0 | 5.0-9.0 | balance | balance |
| P | ≤0.04 | -- | ≤0.02 | -- | ≤0.02 | ≤0.013 | ≤0.02 | ≤0.015 | ≤0.015 | ≤0.025 |
| S | ≤0.03 | -- | ≤0.015 | ≤0.015 | ≤0.02 | ≤0.013 | ≤0.012 | ≤0.010 | ≤0.015 | ≤0.02 |
| Si | ≤1 | ≤1 | ≤1 | ≤1 | ≤0.8 | ≤0.8 | ≤0.8 | ≤0.5 | ≤0.35 | ≤1 |
| Cu | -- | ≤0.5 | -- | ≤0.2 | ≤0.2 | ≤0.07 | ≤0.2 | ≤0.5 | ≤0.3 | -- |
| Ni | 24-27 | banlance | rest | -- | rest | rest | rest | ≥70 | 50-55 | 44.0-46.0 |
| Co | -- | -- | ≤2 | 15-21 | -- | -- | -- | ≤1 | ≤1 | -- |
| Al | ≤0.35 | -- | 1-1.8 | 1-2 | ≤0.15 | ≤0.5 | 0.35-0.75 | 0.40-1.0 | 0.2-0.8 | 2.9-3.9 |
| Ti | 1.9-2.35 | 0.2-0.6 | 1.8-2.7 | 2-3 | 0.15-0.35 | 0.3-0.7 | 0.35-0.75 | 2.25-2.75 | 0.65-1.15 | ≤0.35 |
| Cr | 13.5-16 | 18-21 | 18-21 | 18-21 | 19-22 | 23.5-26.5 | 19-22 | 14-17 | 17-21 | 15-17 |
| Nb | -- | -- | -- | -- | -- | -- | 0.9-1.3 | 0.7-1.2 | 4.75-5.5 | -- |
| Mo | 1-1.5 | -- | -- | -- | -- | ≤1.5 | 1.80-2.30 | -- | 2.8-3.3 | ---- |
| B | 0.001-0.1 | -- | ≤0.008 | ≤0.02 | -- | -- | -- | -- | -- | -- |
| V | 0.1-0.5 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| W | -- | -- | -- | -- | -- | 13-16 | -- | -- | -- | -- |
| Zr | -- | -- | ≤0.15 | ≤0.15 | -- | -- | -- | -- | -- | -- |
| Pb | -- | -- | -- | ≤0.002 | -- | -- | -- | -- | -- | -- |
| Ce | -- | -- | -- | -- | -- | -- | -- | -- | -- | ≤0.03 |
Application Field
Used in jet engine components like turbine rotor blades, combustion chamber liners, and exhaust valves due to outstanding creep resistance at temperatures exceeding 815°C (1500°F).
Employed in hot-section parts such as turbine seals, nozzle guide vanes, and combustion hardware for power generation turbines, leveraging its stability under cyclic thermal stress.
Utilized in turbocharger rotors, wastegate components, and high-temperature fasteners, where resistance to exhaust gas corrosion and thermal fatigue is critical.
Applied in control rod assemblies, reactor core springs, and heat exchanger wiring, benefiting from its radiation resistance and strength retention in high-temperature reactor environments.
Used for exhaust system fasteners, valve springs, and furnace fixture springs requiring reliable performance under continuous stress at elevated temperatures.
Our Advantage
CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel-based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, precision alloy, FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.
Wholesale & Bulk Discounts – Special pricing for large-volume orders.
Fast & Global Shipping – Reliable worldwide delivery options.
Certified & High-Quality Material – Meets AWS, ASTM, and ISO standards.
Custom Order Sizes – Available in spools, coils, and cut-to-length options.
Guaranteed Stock Availability – Ready for immediate dispatch.
Tailored Customization Services – Offers personalized alloy specifications and wire configurations to match your unique requirements.
Samples provided – Provides samples for testing, ensuring you choose the perfect product with confidence.
FAQ
Factory Direct Supply with Competitive Wholesale Prices
Custom Sizes & Large Stock Availability
Fast Global Shipping & Reliable Industrial Supply
Guaranteed High Purity for Electronic & Industrial Applications
Widely used in aerospace engine fasteners, gas turbine sealing rings, turbocharger springs, nuclear reactor components, high-temperature bolting, medical instruments, and precision instrumentation requiring long-term stability at 650–700°C.
Stock items: 7–15 days
Standard production: 15–25 days
Large Custom Standard production: 30–60 days
T/T, L/C, D/A, D/P, Western Union, MoneyGram, Paypal
GH4169 (UNS N07718 / Inconel 718) is a precipitation-hardened nickel-based superalloy wire with excellent high-temperature strength up to 700°C, outstanding oxidation resistance and creep resistance. It is widely used in aerospace turbine disks, gas turbine components, and high-temperature springs.
