Here is a general Inconel 625 datasheet, which includes essential properties and specifications for the alloy:
Inconel 625 Datasheet
Alloy Composition:
Nickel (Ni): 58-69%
Chromium (Cr): 20-23%
Molybdenum (Mo): 8-10%
Niobium (Nb): 3.15-4.15%
Iron (Fe): 5%
Titanium (Ti): 0.4%
Aluminum (Al): 0.4%
Copper (Cu): 0.5%
Manganese (Mn): 0.5%
Silicon (Si): 0.5%
Carbon (C): 0.1% (max)
Phosphorus (P): 0.015% (max)
Sulfur (S): 0.015% (max)
Physical Properties:
Density: 8.44 g/cm³ (8440 kg/m³)
Melting Point: 1,300°C to 1,400°C (2,372°F to 2,552°F)
Thermal Conductivity:
11.2 W/m·K (at 100°C)
Specific Heat:
0.42 J/g·K (at 100°C)
Mechanical Properties (at room temperature):
Tensile Strength: 930 MPa (135,000 psi)
Yield Strength: 240 MPa (35,000 psi)
Elongation: 30% (in 2 inches)
Hardness (Brinell): 200-250 HB
Modulus of Elasticity: 200 GPa (29 × 10⁶ psi)
Corrosion Resistance:
Oxidation Resistance: Excellent at high temperatures up to 1,000°C (1,832°F).
Pitting and Crevice Corrosion: Excellent resistance, especially in chloride environments.
Stress Corrosion Cracking: High resistance to SCC in high-stress, high-temperature environments.
Acid Resistance: Good resistance to sulfuric and phosphoric acids.
Applications:
Aerospace: Jet engines, turbine blades, and rocket motors.
Chemical Processing: Equipment in corrosive environments, reactors, and heat exchangers.
Marine: Seawater applications, including pumps, valves, and turbines.
Power Generation: Nuclear reactors, high-temperature power plant components.
Fabrication:
Welding: Can be welded using common methods such as TIG, MIG, and electron beam welding.
Machinability: Difficult to machine due to its high strength, requiring special tools and techniques.
Forming: Can be forged, hot-rolled, and cold-rolled.
Heat Treatment: Typically solution-annealed at 1,010°C (1,850°F) and rapidly cooled.
Standard Specifications:
ASTM B446: Standard specification for Inconel 625.
AMS 5666: Aerospace specification for Inconel 625 bars, billets, and forgings.
DIN 17744: German standard for Inconel 625 products.
This datasheet provides a comprehensive overview of Inconel 625 and its essential properties, making it suitable for high-performance applications in extreme environments.
