CM247LC Alloy Powder Price & List
| Spec. |
Shape |
Particle Size |
Application |
| CM247LC-DS045 |
Spherical |
15-45 um |
3D printing / additive manufacturing |
| CM247LC-DS053 |
Spherical |
15-53 um |
3D printing / additive manufacturing |
| CM247LC-DS105 |
Spherical |
45-105 um |
3D printing / additive manufacturing |
| CM247LC-DS150 |
Spherical |
45-150 um |
3D printing / additive manufacturing |
| Customizable |
Spherical |
Customizable |
3D printing / additive manufacturing |
Note: We provide customized service. If you don't find the powder you want, please send us an email directly. We can customize it according to your requirements.
CM247LC Alloy Powder
CM247LC is a typical nickel based precipitation strengthened alloy with a γ-phase content of about 60%. CM247LC is a kind of low-carbon nickel based alloy with nickel as the main component and adding metal elements such as cobalt, chromium, tungsten, tantalum, aluminum and hafnium. It has good creep and fatigue resistance, high strength and other mechanical properties and high temperature bearing capacity, and good casting process performance, oxidation resistance and corrosion resistance. And it is widely used in high-temperature parts such as turbine rotor blades or guide vanes.
CM247LC Alloy Powder Preparation Process
① Using high-purity
nickel powder, aluminum powder, titanium powder,
tantalum powder,
niobium powder, tungsten powder,
molybdenum powder,
chromium powder,
vanadium powder, boron powder etc. raw materials melted in a certain proportion to produce high-purity CM247LC master alloy;
② Preparation of spherical
CM247LC powder using aerosolization equipment;
③ Screening and vacuum packaging.
Chemical Composition of CM247LC Alloy Powder
| Cr |
Co |
W |
Mo |
Hf |
Al |
Ti |
| 8.0-8.5% |
9.1-9.4% |
9.3-9.7% |
0.4-0.6% |
1.3-1.6% |
5.5-5.7% |
0.6-0.8% |
| Ta |
B |
Zr |
Mn |
Si |
Nb |
V |
| 3.1-3.3% |
0.005-0.03% |
≤0.02% |
≤0.03% |
≤0.03% |
≤0.05% |
≤0.05% |
| Re |
C |
N |
O |
Mg |
Ni |
|
| ≤0.05% |
0.07-0.09% |
≤0.01% |
≤0.02% |
≤0.007% |
Balance |
|
CM247LC Alloy Powder Application
CM247LC is a casting alloy with poor weldability, and it has not traditionally been considered suitable for processes like Laser Powder Bed Fusion (L-PBF). However, through strict powder quality control and precise printing process development, it is now possible to successfully print CM247LC components, which are primarily used in fields with extremely high-performance requirements.
Additive Manufacturing (3D Printing) - Core Application
This is the most valuable application area for CM247LC powder. 3D printing technology overcomes some limitations of traditional casting.
Application Advantages:Manufacturing Complex Internal Channel Structures: Directly printing turbine blades and guides with extremely complex internal cooling channels, which is difficult or very costly to achieve with traditional casting.
Rapid Prototyping and Iteration: Significantly shortens the design and testing cycle for new engine components.
Integrated Manufacturing: Components that originally required assembly from multiple parts (such as guides with integral shrouds) can be printed in one piece, reducing connection points and improving structural integrity and reliability.
High Material Utilization: Near-net-shape forming reduces waste of expensive alloy materials.
Typical Printing Processes:Laser Powder Bed Fusion (L-PBF / SLM): This is the most commonly used technique, building parts layer by layer by melting metal powder with a laser. The challenge in printing CM247LC lies in controlling cracks (hot cracks and liquefaction cracks), which requires methods like optimizing laser parameters and preheating the substrate (often to temperatures above 1000°C) to suppress them.
Electron Beam Melting (EBM): Conducted in a vacuum and high-temperature environment, it inherently involves high preheating temperatures, which is beneficial for reducing residual stress and offers a natural advantage for printing difficult-to-weld alloys like CM247LC. However, surface roughness and accuracy are generally inferior to L-PBF.
Specific Application Components:Aerospace Engines: High-performance stationary components like turbine guide vanes and fuel nozzles. For rotating components like turbine working blades, the technology is still largely in the research, development, and validation stages, requiring extremely high control over printing defects.
Gas Turbines: Complex hot-section components for power generation gas turbines.
Powder Metallurgy - Hot Isostatic Pressing (HIP)
This method does not aim to create complex shapes but rather to obtain dense, high-performance materials with a uniform microstructure.
Application Process:CM247LC powder is loaded into a canister (usually metal or glass), evacuated, and sealed.
Hot Isostatic Pressing (HIP) is performed under high temperature (close to the γ' phase solvus temperature) and high pressure (typically 100-150 MPa) in an inert gas environment.
Powder particles diffusion-bond under the combined action of heat and pressure, forming a billet with nearly 100% theoretical density.
Application Purpose:Producing High-Performance Billets: The resulting billets have a fine, uniform microstructure, no macrosegregation, and their mechanical properties are often superior to traditional castings.
Subsequent Processing: These billets can be further processed using techniques like isothermal forging into complex-shaped parts for highly demanding applications.
Repair and Remanufacturing
Application Process:Laser Cladding or Direct Energy Deposition (DED): Using CM247LC powder as filler material, the surface of damaged components (e.g., turbine blade tips) is built up layer by layer via a laser beam to restore their geometric dimensions and performance.
Application Components:Repairing Expensive Engine Components: For example, repairing scrapped CM247LC cast turbine blade tips due to wear or minor damage, which costs far less than manufacturing new parts.
| Spec. |
Shape |
Particle Size |
Application |
| CM247LC-DS045 |
Spherical |
15-45 um |
3D printing / additive manufacturing |
| CM247LC-DS053 |
Spherical |
15-53 um |
3D printing / additive manufacturing |
| CM247LC-DS105 |
Spherical |
45-105 um |
3D printing / additive manufacturing |
| CM247LC-DS150 |
Spherical |
45-150 um |
3D printing / additive manufacturing |
| Customizable |
Spherical |
Customizable |
3D printing / additive manufacturing |
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