What Makes GH4169 Alloy Powder a Top Choice for High-Stress, High-Temperature Components

GH4169 alloy powder is a precipitation-strengthened nickel-based superalloy known for its outstanding strength, corrosion resistance, and thermal stability. It is widely used in aerospace, energy, and industrial sectors for parts exposed to extreme environments.

Exceptional High-Temperature Strength and Fatigue Resistance

GH4169 retains mechanical integrity under prolonged thermal stress:

• High tensile and yield strength above 700°C

• Excellent fatigue, creep, and rupture resistance

• Stable microstructure during long-term service

This makes it ideal for turbine discs, combustion chambers, and structural aerospace components.

Superior Corrosion and Oxidation Resistance

The alloy forms a stable oxide layer and resists various corrosive media, offering:

• Oxidation resistance in high-temperature gases

• Corrosion resistance in marine and industrial environments

• Extended service life in harsh conditions

Optimized for Additive Manufacturing

HUAXIAO TECH provides gas-atomized GH4169 powder with:

• High sphericity and narrow particle size distribution

• Excellent flowability and density for laser powder bed fusion (LPBF) and electron beam melting (EBM)

• Low oxygen and nitrogen content, ensuring clean microstructure

Key Application Areas

• Aero engine turbine blades, discs, and rings

• Power generation turbines and heat shields

• Oil and gas equipment for high-pressure/high-temperature service

• 3D-printed critical parts requiring high fatigue performance

Benefits Summary

• Excellent mechanical strength at elevated temperatures

• Resistance to oxidation and aggressive environments

• AM-ready powder with excellent morphology and consistency

• Proven reliability in aerospace and energy-critical applications

Frequently Asked Questions (FAQ)

Q1: What’s the standard particle size for AM applications?
A1: 15–45 μm is typical for laser-based systems; 45–105 μm available for DED.

Q2: How is GH4169 different from Inconel 718?
A2: GH4169 is the Chinese equivalent of Inconel 718 with similar composition and performance, optimized for local standards.

Q3: Can GH4169 be heat-treated?
A3: Yes, it can be solution treated and aged for optimal strength and hardness profiles.

Conclusion

GH4169 alloy powder offers a high-performance solution for manufacturing components that must endure high stress and extreme temperatures. Its proven reliability, printability, and mechanical performance make it a top-tier material for advanced industries.

For certified GH4169 powder and expert AM support, contact HUAXIAO TECH today.