Product Description: Nickel Alloy EI693 / KhN68VMKYUR
Nickel alloy EI693 (KhN68VMKYUR) is a high-strength heat-resistant nickel-based superalloy designed for operation under extremely high temperatures and severe mechanical loads. The material is widely used in aerospace and power generation industries due to its excellent heat resistance, creep resistance, and structural stability during long-term exposure to elevated temperatures.
General Technical Characteristics
EI693 alloy is characterized by high strength at elevated temperatures, good thermal stability, and oxidation resistance. It maintains reliable mechanical properties during prolonged operation under high heat and load conditions.
Key properties:
- high heat resistance
- good creep resistance
- oxidation resistance
- structural stability at elevated temperatures
Chemical Composition
The alloy contains key alloying elements:
- Nickel (Ni): base element
- Chromium (Cr): approx. 18–20%
- Cobalt (Co): up to 10%
- Molybdenum (Mo): up to 4%
- Aluminum (Al): approx. 1.5–2.5%
- Titanium (Ti): approx. 2–3%
- Tungsten (W): up to 3%
- Carbon (C): up to 0.2%
This composition ensures high strength and heat resistance.
Mechanical Properties
The alloy demonstrates:
- high strength at temperatures up to 900–1000°C
- excellent creep resistance
- resistance to thermal fatigue
- reliability during long-term service
Applications
Nickel alloy EI693 is used for manufacturing:
- gas turbine engine components
- aircraft engine parts
- high-temperature structural components
- power generation equipment
It is widely applied in aerospace, energy, and gas turbine industries.
Features
Key advantages include:
- reliable performance at high temperatures
- good oxidation resistance
- long service life
- stable mechanical properties
Supply Formats and Standards
The material is supplied as:
- forgings
- bars
- billets
- custom-made parts according to drawings
Conforms to industry technical specifications for heat-resistant nickel alloys (EI693 / KhN68VMKYUR).
Nickel alloy EI693 (KhN68VMKYUR) is an effective solution for manufacturing components operating under high temperature and load conditions, where reliability, heat resistance, and long-term durability are essential.
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