Product Description: Nickel Alloy N07738 / Inconel Alloy 738
Nickel alloy N07738 (Inconel Alloy 738) is a highly alloyed heat-resistant cast superalloy based on nickel, designed for operation under extremely high temperatures and loads. The material is widely used in gas turbine applications due to its high strength, excellent creep resistance, and superior oxidation and corrosion resistance.
General Technical Characteristics
Inconel 738 alloy is characterized by high heat strength, excellent creep resistance, and structural stability during long-term exposure to elevated temperatures. It maintains reliable mechanical performance in aggressive environments and under thermal stress.
Key properties:
- high heat resistance
- excellent creep resistance
- oxidation and corrosion resistance
- stability at elevated temperatures
Chemical Composition
The alloy contains a complex combination of alloying elements:
- Nickel (Ni): base element
- Chromium (Cr): approx. 15–17%
- Aluminum (Al): 3.2–3.7%
- Titanium (Ti): 3.2–3.7%
- Cobalt (Co): 8–9%
- Tungsten (W): 2.5–3.5%
- Molybdenum (Mo): 1.5–2.0%
- Tantalum (Ta): 1.5–2.0%
- Carbon (C): up to 0.2%
This composition ensures high temperature strength and resistance to degradation.
Mechanical Properties
The alloy demonstrates:
- high strength at temperatures up to 950–1000°C
- excellent creep resistance
- resistance to thermal fatigue
- reliability during long-term service
Applications
Inconel 738 nickel alloy is used for manufacturing:
- gas turbine blades
- turbine vanes
- aircraft engine components
- power generation equipment parts
It is widely applied in aerospace, energy, and gas turbine industries.
Features
Key advantages include:
- excellent performance at extreme temperatures
- outstanding oxidation and corrosion resistance
- long service life
- high resistance to creep
Supply Formats and Standards
The material is supplied as:
- cast ingots
- precision cast components
- custom parts according to drawings
Complies with:
- ASTM B637 (N07738 / Inconel 738)
Nickel alloy N07738 is an optimal solution for manufacturing components operating under extreme heat and load conditions, where maximum reliability and durability are required.
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