Get A Quote
English
English French German Portuguese Spanish Russian Japanese Korean Arabic Turkish Italian Indonesian Polish Hindi Dutch Malay Persian Thai Vietnamese
Leave Your Message
APT-GH4169
● High - temp strength​
● Good thermal fatigue res​
● Precise complex shape fab​
● Tailorable microstructure
● Decent high - temp corrosion res​
● Fast proto & small - batch prod
GH4169 (Inconel 718) High-Temperature Alloy for 3D Printing (1).jpg
GH4169 (Inconel 718) High-Temperature Alloy for 3D Printing (2).jpg
APT-GH4169 (1).jpg
APT-GH4169 (2).jpg

GH4169 (Inconel 718) High-Temperature Alloy for 3D Printing

AptPrototype introduces GH4169 (Inconel 718), a premier nickel-chromium-based superalloy optimized for precision metal 3D printing. Renowned for its exceptional high-temperature strength, fatigue resistance, and outstanding weldability, GH4169 is a cornerstone material in aerospace, energy, and oil & gas industries. Its ability to maintain mechanical integrity in temperatures up to 700°C makes it ideal for mission-critical components subjected to extreme stress and thermal cycling.

  • Powder Grade GH4169 (Ni-Cr-Fe-Nb Alloy)
  • Particle Size Distribution 15 - 45 μm, 25 - 63 μm, 45 - 90 μm
  • Flowability (s/50g) ≤30s
  • Bulk Density (g/cm³) ≥4.4 g/cm³
  • Sphericity ≥0.94
  • Oxygen Content (ppm) ≤450 ppm
Contact us

Mechanical Properties (After Heat Treatment)

Property

Value

Tensile Strength (20°C)

1250 - 1450 MPa

Yield Strength (20°C)

950 - 1200 MPa

Elongation

12 - 25%

Hardness (HV)

350 - 450 HV

Creep Resistance (650°C)

100+ hours at 620 MPa

Material Advantages

Ultra-High Strength

Exceptional yield and tensile strength at both ambient and elevated temperatures, outperforming most nickel alloys.

Outstanding Fatigue Resistance

Withstands cyclic loading in jet engines, turbine disks, and high-stress structural parts.

Corrosion & Oxidation Resistance

Resists oxidation up to 700°C and performs well in acidic, chloride-rich environments.

Superior Weldability & Processability

Minimal post-build cracking risk, compatible with machining, welding, and surface treatments.

Optimized for Additive Manufacturing

High-purity, spherical powders ensure dense builds with minimal porosity for complex geometries.

Applications and Use Cases

Industry

Application

Aerospace

Turbine disks, engine mounts, rocket motor casings, and landing gear components

Oil & Gas

Downhole tools, valve bodies, and high-pressure pump components

Energy

Nuclear reactor core components, gas turbine blades, and heat exchangers

Automotive

Turbocharger rotors, exhaust systems, and racing engine parts
GH4169 (Inconel 718) High-Temperature Alloy for 3D Printing (7)
01
more 656fcdfdad7e022998
GH4169 (Inconel 718) High-Temperature Alloy for 3D Printing (5)
01
more 656fcdfdad7e022998
GH4169 (Inconel 718) High-Temperature Alloy for 3D Printing (6)
01
more 656fcdfdad7e022998

Why Choose AptPrototype?

Aerospace-Certified Powders

Produced via plasma rotating electrode process (PREP) for unmatched consistency.

Advanced Post-Processing

HIP, solution annealing, and aging treatments to meet AMS 5662/5663 standards.

End-to-End Expertise

From design-for-AM (DfAM) to final quality validation for mission-critical parts.

Additional Information

Surface & Performance Enhancements
Hot Isostatic Pressing (HIP) – Eliminate internal defects and enhance fatigue life.
Electropolishing & Passivation – Improve corrosion resistance for harsh environments.
PTFE or DLC Coatings – Reduce friction and wear in dynamic applications.
Technical Notes
Compatible with SLM, EBM, and DED technologies.
Ideal for thin-wall structures and high-stress aerospace components.

FAQ

  • How does GH4169 compare to GH3625 (Inconel 625)?

    GH4169 offers significantly higher strength and creep resistance below 700°C, while GH3625 excels in corrosion resistance and higher temperature oxidation stability.

  • What heat treatments are required post-printing?

  • Can GH4169 be used in cryogenic applications?

Get Started with AptPrototype

Elevate your high-performance projects with GH4169’s unmatched strength and reliability. Upload your design for a quote and technical review today!
Upload Model for a Quote Contact Our Experts