#IN718 additive manufacturing # IN825 acid resistant coating # IN625 powder # nickel based high-temperature alloy functions similarly to Inconel625 Inconel718、Inconel825
- powder morphology
- Spherical (aerosolized)
- Particle size distribution
- 15-45 μ m (customizable)
- melting point
- 1260-1336°C
- density
- 8.19 g/cm³
- Applicable process
- Laser 3D printing， hot isostatic pressing
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Huayin IN625, IN718, and IN825 are high-performance nickel based high-temperature alloy powders designed for extreme high temperature, corrosive, and mechanical load environments. Suitable for advanced processes such as laser cladding (LMD), plasma spraying (APS), and electron beam additive manufacturing (EBM), it is widely used in aerospace, energy, chemical, and marine engineering fields.
Product feature comparison
| Features | IN625 | IN718 | IN825 |
| high Temperature Performance | Antioxidant (≤ 1100 ° C) | Ultra high strength (≤ 700 ° C) | Corrosion resistance to sulfuric acid/hydrochloric acid (≤ 600 ° C) |
| Typical Hardness | 200-250 HV (in molten state) | 300-350 HV (after age hardening) | 180-220 HV (corrosion resistance priority) |
| Core Advantages | Comprehensive corrosion resistance+oxidation resistance | High yield strength (age hardening) | Resistant to reducing acids and stress corrosion cracking |
| Main Applications | Hot end components, marine equipment | Aircraft engine turbine discs, fasteners | Chemical reactors, acid oil and gas pipelines |
Why choose Huayin nickel based alloy powder?
✔ High purity raw materials: oxygen content<100 ppm (to prevent high-temperature embrittlement).✔ Sphericity>95% (ensuring fluidity and forming density).
✔ Support customization: ingredient fine-tuning (such as Cr/Mo optimization), particle size grading.
✔ Global certification: AMS 5662（IN718）、ASTM B443（IN625）、NACE MR0175（IN825）。
Chemical composition (ASTM standard)
| Element (wt%) | IN625 | IN718 | IN825 |
| Ni | ≥ 58 (margin) | 50-55 (margin) | 38-46 (margin) |
| Cr | 20-23 | 17-21 | 19.5-23.5 |
| Mo | 8.0-10.0 | 2.8-3.3 | 2.5-3.5 |
| Nb+Ta | 3.15-4.15 | 4.75-5.5 | - |
| Fe | ≤5 | ≤21 | ≥ 22 (equilibrium phase) |
| Ti | ≤0.4 | 0.65-1.15 | 0.6-1.2 |
| Al | ≤0.4 | 0.2-0.8 | ≤0.2 |
| C | ≤0.1 | ≤0.08 | ≤0.05 |
| other | - | - | Cu 1.5-3.0 |
Product parameters
| parameter | IN625 | IN718 | IN825 |
| powder morphology | Spherical (aerosolized) | Spherical (aerosolized) | Spherical (aerosolized) |
| Particle size distribution | 15-53 μ m (customizable) | 15-45 μ m (customizable) | 20-75 μ m (spray grade) |
| melting point | 1290-1350°C | 1260-1336°C | 1370-1400°C |
| density | 8.44 g/cm³ | 8.19 g/cm³ | 8.14 g/cm³ |
| Applicable process | Laser cladding, cold spraying | Laser 3D printing, hot isostatic pressing | Plasma spraying, surfacing |
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