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Product classification
Gh2302
GH2302, also known as GH302 or K232, is a type of iron-nickel-chromium-based age-hardenable high-temperature alloy. It can be used for long periods below 700°C and can be used for short periods up to 850°C. GH2302 has good hot and cold working forming properties and is widely used in the manufacture of parts for aircraft engine afterburner combustion chambers and industrial turbine components.
Classification:
Key words:
Superalloy | Inkenel | Hastelloy | Inkloy | Precision Alloy Series
Product Parameters
1. Basic Information
GH2302, also known as GH302 or K232, is a type of iron-nickel-chromium-based age-hardenable high-temperature alloy. It can be used for a long time below 700℃ and can be used for short periods up to 850℃. GH2302 has good hot and cold processing forming performance and is widely used in the manufacture of parts for aircraft engine afterburner combustion chambers and industrial turbine parts.
2. Chemical Composition
The chemical composition of GH2302 is as follows:
· Carbon (C): ≤0.08%
· Chromium (Cr): 12.0～16.0%
· Nickel (Ni): 38.0～42.0%
· Molybdenum (Mo): 1.50～2.50%
· Tungsten (W): 3.50～4.50%
· Aluminum (Al): 1.80～2.80%
· Titanium (Ti): 2.30～2.80%
· Silicon (Si): ≤0.60%
· Manganese (Mn): ≤0.60%
· Phosphorus (P): ≤0.020%
· Sulfur (S): ≤0.010%
· Boron (B): ≤0.01%
· Cerium (Ce): ≤0.02%
· Zirconium (Zr): ≤0.05%.
3. Mechanical Properties
The mechanical properties of GH2302 are as follows:
· Tensile Strength σb (MPa): ≥800
· Yield Strength σ0.2 (MPa): ≥680
· Elongation δs (%): ≥4.5
· Reduction of Area ψ (%): ≥8.
4. Physical Properties
The physical property data of GH2302 is as follows:
· Elastic Modulus: Varies at different temperatures, for example, it is - at 44℃ and 596 GPa at 847℃.
· Thermal Conductivity: Also varies at different temperatures, for example, it is 43.2 W/(m·K) at 695℃.
· Specific Heat Capacity: Varies at different temperatures, for example, it is 0.34 J/(g·K) at 24℃.
· Density: 8.09 g/cm³.
5. Heat Treatment Specifications
The heat treatment regime for GH2302 is as follows:
· Hot Rolled Bars: 1180℃±10℃, 2 hours, air cooling + 1050℃±10℃, 4 hours, air cooling + 800℃±10℃, 16 hours, air cooling.
· Hot Rolled Plates and Cold Rolled Sheets: (1100-1130)℃, air cooling + 800℃±10℃, 16 hours, air cooling;
· Castings: 1100℃, 3~5 hours, air cooling + 800℃, 16 hours, air cooling.
6. Application Fields
GH2302 is widely used in the following fields:
· Aerospace: Used in the manufacture of turbine engines, gas turbines, high-temperature turbine blades, combustion chambers for jet engines, and other components.
· Chemical Industry: Suitable for manufacturing high-temperature and high-pressure reactors, catalyst carriers, petrochemical equipment, etc.
· Energy Sector: Used in the manufacture of oil extraction equipment, reactor components for nuclear power plants, and gas turbines.
· Petroleum Sector: Widely used in high-temperature equipment in environments such as oil extraction, refining, and petrochemicals.
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