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Product classification
Gh4080a
GH4080A (known as GH80A in the Chinese national standard GB/T 14992-2005) is a nickel-based precipitation hardening high-temperature alloy, renowned for its excellent strength, oxidation resistance, and creep resistance at high temperatures. This alloy exhibits good overall performance in the temperature range of 650 to 850°C, making it an ideal material choice for aerospace, energy generation, and chemical equipment applications.
Classification:
Key words:
Superalloy | Inkenel | Hastelloy | Inkloy | Precision Alloy Series
Product Parameters
GH4080A (known as GH80A in the Chinese national standard GB/T 14992-2005) is a nickel-based precipitation hardening high-temperature alloy, renowned for its excellent strength, oxidation resistance, and creep resistance at high temperatures. This alloy exhibits good comprehensive performance in the temperature range of 650 to 850°C, making it an ideal material choice in fields such as aerospace, energy generation, and chemical equipment.
1. Chemical Composition
The chemical composition of GH4080A is as follows:
· Carbon (C): 0.04 - 0.10%
· Silicon (Si): ≤0.80%
· Manganese (Mn): ≤0.40%
· Phosphorus (P): ≤0.020%
· Sulfur (S): ≤0.015%
· Nickel (Ni): balance
· Chromium (Cr): 18.00 - 21.00%
· Titanium (Ti): 1.80 - 2.70%
· Aluminum (Al): 1.00 - 1.80%
· Cobalt (Co): ≤2.00%
· Iron (Fe): ≤1.50%
· Copper (Cu): ≤0.20%
· Boron (B): ≤0.008%
2. Mechanical Properties
The mechanical properties of GH4080A include:
· Tensile Strength σb (MPa): ≥1000
· Yield Point σs (MPa): ≥620
· Elongation after fracture δ (%): ≥20
· Hardness: ≤325 HBW after solution treatment; ≤365 HBW in cold drawn state
3. Physical Properties
The physical properties of GH4080A are as follows:
· Density: approximately 8.19 g/cm³
· Melting Point: approximately 1320-1365°C
· Elastic Modulus: approximately 211 GPa (258°C)
· Coefficient of Thermal Expansion: approximately 23 × 10^-6/K (20°C~553°C)
· Thermal Conductivity: approximately 44.3 W/(m·K) (258°C) / 42.2 W/(m·K) (553°C)
· Specific Heat Capacity: approximately 433 J/(kg·K) (258°C)
· Resistivity: approximately 0.14 Ω·mm²/m (14°C)
4. Heat Treatment
The heat treatment process for GH4080A typically includes:
· Solution Treatment: 1080°C, 15min~45min, air cooling or water cooling
· Aging Treatment: 700°C, 16h, air cooling or 750°C, 4h, air cooling
5. Application Fields
GH4080A is widely used in:
· Engine rotor blades, guide blade supports, fan ring installation rings, bolts, annular parts, structural parts, blade locking plates, etc. in the aerospace field.
· Manufacturing of gas turbines, nuclear power plants, and other equipment in the energy generation industry.
· Manufacturing of high-temperature equipment and components in the chemical industry.
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Our company mainly deals in nickel based special alloys such as high-temperature alloys, Hastelloy alloys, Inconel alloys, Monel alloys, precision alloys, titanium alloys, etc. We provide zero cutting, machinability, non-standard customization and other needs. If you have any needs, please contact us in a timely manner!
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