GH3625 High Temperature Alloy Powder Low Carbon

GH3625, also known as Inconel 625, is a high-temperature nickel-based superalloy known for its excellent mechanical properties and resistance to high-temperature environments. When GH3625 is in the form of a powder, it retains the material properties of the bulk alloy but may exhibit some unique characteristics due to its particulate nature. Here are the key material properties of GH3625 high-temperature alloy powder:

• Nickel (Ni): 58-62%

• Chromium (Cr): 20-23%

• Molybdenum (Mo): 8-10%

• Iron (Fe): 5% max

• Carbon (C): 0.1% max

• Manganese (Mn): 0.5% max

• Silicon (Si): 0.5% max

• Sulfur (S): 0.015% max

• Columbium (Cb, now known as Niobium, Nb): 3.15-4.15%

• Aluminum (Al): 0.4% max

• Titanium (Ti): 0.4% max

• Boron (B): 0.006% max

• Phosphorus (P): 0.015% max

• Density: Approximately 8.44 g/cm³

• Melting Point: 1290-1350°C

• Yield Strength (at 20°C): 450-620 MPa

• Ultimate Tensile Strength (at 20°C): 760-1030 MPa

• Elongation (at 20°C): 30-40%

• Modulus of Elasticity: 200-210 GPa

• Creep Strength: High creep strength at temperatures up to 980°C

• Coefficient of Thermal Expansion (20-1000°C): 13.6 x 10^-6 /°C

• Thermal Conductivity (at 20°C): 11-13 W/(m·K)

• Specific Heat Capacity (at 20°C): 440-460 J/(kg·K)

• Particle Size Distribution: Typically ranges from 15 to 150 microns, with a median particle size of around 50-70 microns.

• Particle Shape: Spherical or near-spherical to ensure good flowability and packing density.

• Surface Area: Higher surface area compared to bulk material, which can affect reactivity and sintering behavior.

• Apparent Density: Typically 2.8-3.2 g/cm³

• Additive Manufacturing: Used in processes like Selective Laser Melting (SLM) and Electron Beam Melting (EBM) to create complex, high-performance parts for aerospace, automotive, and industrial gas turbines.

• Thermal Spraying: Used in thermal spray coatings to enhance the wear and corrosion resistance of components.

• Powder Metallurgy: Used in the production of high-temperature components through techniques like hot isostatic pressing (HIP).

• Oxidation Resistance: Excellent resistance to oxidation up to 980°C.

• Corrosion Resistance: Good resistance to various forms of corrosion, including pitting and crevice corrosion.

• Weldability: Can be welded, but requires careful control of heat input and post-weld heat treatment to maintain mechanical properties.

• Heat Treatment: GH3625 powder can be heat-treated to optimize its mechanical properties. Common heat treatments include solution annealing and aging.

• Post-Processing: Parts made from GH3625 powder often require post-processing steps such as hot isostatic pressing (HIP) to remove porosity and improve mechanical properties.