- Excellent High-Temperature Strength
Performs reliably in extreme thermal environments - Outstanding Oxidation & Corrosion Resistance
Suitable for harsh and high-pressure conditions - Superior Fatigue & Creep Resistance
Ideal for long-term load-bearing applications - Good Weldability & Fabrication
Easy to process into complex shapes - Precipitation-Hardened Alloy
Strength can be optimized through heat treatment
GH4145 Alloy (Inconel X-750Nickel-Based Superalloy)
Introduction to GH4145 Alloy
GH4145 is a high-performance nickel-based superalloy, widely recognized as an Inconel X-750 equivalent, designed for applications requiring high strength, oxidation resistance, and excellent fatigue performance at elevated temperatures.
This advanced GH4145 alloy maintains stable mechanical properties in environments up to 700–800°C, making it ideal for aerospace, nuclear, power generation, and high-temperature industrial applications.
Compared with standard stainless steels, GH4145 offers significantly enhanced creep resistance, stress rupture strength, and corrosion resistance, positioning it as a reliable high temperature nickel alloy.
Key Features & Benefits
- Excellent High-Temperature Strength
Performs reliably in extreme thermal environments - Outstanding Oxidation & Corrosion Resistance
Suitable for harsh and high-pressure conditions - Superior Fatigue & Creep Resistance
Ideal for long-term load-bearing applications - Good Weldability & Fabrication
Easy to process into complex shapes - Precipitation-Hardened Alloy
Strength can be optimized through heat treatment
Chemical Composition (Typical %)
- Nickel (Ni): ≥ 70%
- Chromium (Cr): 14–17%
- Iron (Fe): 5–9%
- Titanium (Ti): 2.25–2.75%
- Aluminum (Al): 0.4–1.0%
- Niobium (Nb): 0.7–1.2%
Mechanical Properties
- Tensile Strength: ≥ 930 MPa
- Yield Strength: ≥ 550 MPa
- Elongation: ≥ 20%
- Hardness: ≤ 400 HB
(Depends on heat treatment condition)
Available Forms
We supply GH4145 in multiple forms:
- GH4145 bar / rod
- GH4145 sheet / plate
- GH4145 pipe / tube
- GH4145 wire
- Custom forgings
✔ Custom sizes
✔ Heat treatment options
✔ OEM manufacturing support
Applications of GH4145 Superalloy
GH4145 is widely used in industries requiring high temperature resistance and mechanical stability:
Aerospace
- Turbine blades
- Springs and fasteners
- Jet engine components
Nuclear Industry
- Reactor components
- Control rod systems
Power Generation
- Gas turbine parts
- High-temperature bolts
Oil & Gas
- Downhole tools
- High-pressure equipment
GH4145 vs Other Nickel-Based Alloys
| Property | GH4145 | Stainless Steel | Other Superalloys |
|---|---|---|---|
| Max Temp | 700–800°C | ~600°C | 700–1000°C |
| Strength | Excellent | Moderate | Excellent |
| Fatigue Resistance | High | Medium | High |
| Cost Efficiency | High | High | Medium |
Why Choose Us as GH4145 Supplier
- Reliable GH4145 alloy supplier
- Strict quality control and certification
- Competitive factory pricing
- Fast global delivery
- Technical support for material selection
FAQ – GH4145 Alloy
1. What is GH4145 equivalent to?
GH4145 is equivalent to Inconel X-750, a precipitation-hardened nickel-based superalloy.
2. What is GH4145 used for?
It is used in aerospace, nuclear, and high-temperature industrial applications.
3. What temperature can GH4145 withstand?
GH4145 performs well up to 700–800°C.
4. Is GH4145 weldable?
Yes, it has good weldability with proper heat treatment.
5. Do you provide custom GH4145 products?
Yes, we offer custom sizes, forms, and specifications.
Contact us now for a quotation
Email: sales@hengyimetal.com
WhatsApp: +86 19521258704
Not sure if this alloy fits your application?
Read: inconel-x750-applications
Learn more about real-world usage in our guide:
