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Nickel-based precipitation-strengthened superalloy
Nickel-based precipitation-strengthened superalloy

Nickel-based precipitation-strengthened superalloy

High-temperature alloyaeronautical materialsgas turbine
Brand Qingchuan New Materials
Origin Zhengzhou, China
Function High-temperature load-bearing
Material Nickel-based alloy
Model Inconel 792

Product Overview

Inconel 792, produced by Qinchuan New Materials (Zhengzhou) Co., Ltd., is a high-end nickel-based deformed superalloy with precipitation strengthening of aluminum, titanium, and niobium composites. Specifically designed for the hot-end rotating components of aviation engines and heavy-duty gas turbines, this alloy boasts excellent comprehensive properties.

Main Product Features

  • High strength, high resistance to creep, low thermal fatigue sensitivity
  • Continuous safe service temperature ≤ 750°C, short-term extreme temperature resistance up to 815°C
  • Compared to Inconel 718 alloy, the comprehensive performance is improved by more than 15%.
  • Excellent thermal forming properties and controllable welding performance

Product Detailed Parameters

Parameter Numeric
Density 8.32g/cm³
Melting point 1260~1370℃
Chemical Composition (Mass Fraction %) Ni balance, Cr 12.0~15.0%, Al 2.8~3.5%, Ti 4.8~5.8%, Nb 1.8~2.5%, Mo 2.0~3.0%, C≤0.06%, Fe≤3.0%, Mn≤0.5%, Si≤0.5%, S≤0.015%
Heat treatment system Solution treated at 1095℃ air cooled + First stage aging at 845℃ + Second stage aging at 720℃
Room Temperature Mechanical Properties (Standard Lower Limit) Tensile strength ≥ 1240MPa, yield strength ≥ 980MPa, elongation at break ≥ 18%
Core Temperature Indicator Long-term safe service ≤ 750°C, short-term maximum耐受 temperature 815°C

Application Scope

Inconel 792 is widely used in the following fields:

  • Aerospace Propulsion Equipment
  • Heavy-duty industrial gas turbine equipment
  • Specialty Energy and Ship Equipment
  • High-end petrochemical and industrial special equipment

Frequently Asked Questions (FAQ)

  • How is the strength of Inconel 792?
  • A: Inconel 792 features high strength, excellent creep resistance, and low thermal fatigue sensitivity, maintaining ultra-high tensile and yield strength over a long period within the core high-temperature operating range of 650℃ to 750℃.
  • A:How is the corrosion resistance of Inconel 792?
  • A: Inconel 792 boasts excellent high-temperature oxidation resistance and anti-gas thermal corrosion capability, forming a dense oxidation protective layer in high-temperature gas environments, effectively resisting high-temperature flue gas erosion, sulfur-containing gas sulfidation corrosion, and high-temperature oxidation spalling.
  • A: How is the machinability of Inconel 792?
  • A: Inconel 792 boasts excellent hot working formability and controllable welding properties, which can be processed into precision bars, plates, ring forgings, turbine forgings, and precision non-standard components, covering a full range of high-precision materials.

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