• Excellent High-Temperature Strength (Up to 850°C)
    Maintains structural integrity under extreme heat
  • Outstanding Creep & Stress Rupture Resistance
    Suitable for long-term high-load applications
  • Superior Oxidation Resistance
    Performs well in harsh high-temperature environments
  • High Fatigue Resistance
    Ideal for cyclic stress conditions
  • Precipitation-Strengthened Alloy
    Optimized through advanced heat treatment

GH4738 Nickel-Based Superalloy for High Temperature & High Strength Applications


Introduction to GH4738 Alloy

GH4738 is a high-performance nickel-based superalloy designed for extreme high-temperature and high-stress environments. This advanced GH4738 alloy is widely used in applications requiring excellent creep resistance, oxidation resistance, and long-term thermal stability.

As a premium high temperature nickel alloy, GH4738 maintains outstanding mechanical properties at temperatures up to 750–850°C, making it an ideal material for aerospace engines, gas turbines, and power generation systems.

Compared with conventional alloys, GH4738 offers superior fatigue strength, stress rupture resistance, and durability, making it a preferred choice for critical components.


Key Features & Benefits

  • Excellent High-Temperature Strength (Up to 850°C)
    Maintains structural integrity under extreme heat
  • Outstanding Creep & Stress Rupture Resistance
    Suitable for long-term high-load applications
  • Superior Oxidation Resistance
    Performs well in harsh high-temperature environments
  • High Fatigue Resistance
    Ideal for cyclic stress conditions
  • Precipitation-Strengthened Alloy
    Optimized through advanced heat treatment

Chemical Composition (Typical %)

  • Nickel (Ni): Balance
  • Chromium (Cr): 18–21%
  • Cobalt (Co): 12–15%
  • Molybdenum (Mo): 3.5–5%
  • Aluminum (Al): 2.5–3.5%
  • Titanium (Ti): 1.5–2.5%

Mechanical Properties

  • Tensile Strength: ≥ 1000 MPa
  • Yield Strength: ≥ 700 MPa
  • Elongation: ≥ 15%
  • Density: ~8.3 g/cm³

(Values depend on heat treatment condition)


Available Forms

We provide GH4738 in a full range of forms:

  • GH4738 bar / rod
  • GH4738 sheet / plate
  • GH4738 pipe / tube
  • GH4738 forging
  • GH4738 wire

✔ Custom sizes available
✔ Heat treatment options
✔ OEM & project-based supply


Applications of GH4738 Superalloy

GH4738 is widely used in industries requiring high temperature resistance and mechanical strength:

Aerospace Industry

  • Turbine discs
  • Engine components
  • High-temperature fasteners

Gas Turbines

  • Hot section components
  • Rotating parts

Power Generation

  • High-temperature structural parts
  • Thermal stress components

Energy & Industrial Equipment

  • Heat-resistant components
  • High-load mechanical parts

Why Choose Our GH4738 Alloy?

  • Experienced GH4738 alloy supplier
  • Strict quality inspection and certification
  • Competitive pricing with stable supply
  • Fast global delivery
  • Professional technical support

FAQ – GH4738 Nickel-Based Superalloy

1. What is GH4738 alloy?

GH4738 is a nickel-based superalloy designed for high-temperature, high-strength applications.

2. What temperature can GH4738 withstand?

GH4738 performs reliably at temperatures up to 750–850°C.

3. What are the advantages of GH4738?

It offers high strength, creep resistance, oxidation resistance, and fatigue durability.

4. What industries use GH4738?

GH4738 is widely used in aerospace, gas turbines, and power generation industries.

5. Do you provide custom GH4738 materials?

Yes, we offer custom sizes, specifications, and processing options.

Contact us now for a quotation

Email: sales@hengyimetal.com
WhatsApp: +86 19521258704

View more products

GH3030

GH3044

GH4169

Contact us

Get A Quote