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Superalloys CNC Machining Services
Superalloys are high-performance alloys designed to withstand extreme conditions, offering exceptional heat resistance and superior mechanical strength.
- Competitive Price
- Fast Turnaround
- Material Certificates
- Global Delivery
AT CNC Machining Capabilities for Superalloy
AT Superalloys CNC Machining offers precision-engineered solutions tailored for extreme environments with advanced technology, unparalleled expertise, and first-rate materials handling.
Precision and Accuracy
AT can achieve exceptional precision—accuracies ranging from +/-0.001" to 0.005", creating parts with exact specifications and high fidelity.
Prototypes to Production
Our facilities are equipped to transition seamlessly from single prototypes to high-volume runs, maintaining uniform quality across all production scales.
High-Quality Assurance
Stringent quality protocols with state-of-the-art inspection equipment ensure part conformity within +/-0.001" to 0.005", delivering reliable performance.
Expedited Turnaround times
Leveraging rapid machining processes and dedicated teams, we typically reduce part delivery times by 20-30%, boosting project momentum.
The Benefits of Superalloy
High Temperature Performance: Superalloys withstand extreme heat, maintaining strength and stability where other metals would weaken, making them ideal for aerospace and power generation.
Resistance to Corrosion: These materials exhibit exceptional resistance to oxidation and corrosion, ensuring longevity and reliability in harsh chemical or marine environments.
Creep Resistance: Superalloys resist deformation under high stress and temperatures over prolonged periods, crucial for turbine blades and nuclear reactors.
Mechanical Strength: They have high tensile, yield, and fatigue strengths, which means they can endure significant wear and tear without failing.
Good Surface Stability: Superalloys maintain their surface integrity under heavy mechanical stress and high thermal cycles, reducing maintenance needs.
Thermal Expansion: Controlled thermal expansion coefficients allow for compatibility with other materials in composite structures that undergo temperature fluctuations.
Types of Superalloys
Nickel-based Superalloys
Predominantly composed of nickel, these offer superb corrosion and oxidation resistance and are widely used in high-temperature applications like jet engines and gas turbines.
e.g. Inconel 718, Hastelloy C-276, Waspaloy, Rene 41, Mar-M 247
Cobalt-based Superalloys
While similar to nickel-based, cobalt-based alloys typically perform better in oxidation-prone environments and provide excellent wear resistance, making them ideal for medical implants and turbines.
e.g. MP35N, L-605,
Iron-based Superalloys
Less expensive than nickel and cobalt variants, they still deliver good high-temperature performance and are often used in industrial heating applications and automotive turbochargers.
e.g. A-286, Incoloy 800
Properties of different grades of superalloys
For optimal performance, a part’s design must complement suitable material properties to ensure maximum value in its specific application scenario. AT-Machining expertly selects materials tailored to the product’s real-world application, ensuring functional and reliable outcomes.
| Superalloy Grade | Type | Density (g/cm³) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Operating Temp (°C) | Corrosion Resistance | Creep Resistance |
|---|---|---|---|---|---|---|---|---|
| Inconel 718 | Nickel-based | ~8.2 | 1,380 | 1,240 | 30 | Up to 700 | Excellent | Excellent |
| Hastelloy C-276 | Nickel-based | ~8.9 | 790 | 355 | 40 | Up to 870 | Outstanding | Good |
| Waspaloy | Nickel-based | ~8.19 | 1,400 | 1,380 | 12 | Up to 870 | Very Good | Excellent |
| Rene 41 | Nickel-based | ~8.3 | 1,290 | 1,030 | 20 | Up to 980 | Very Good | Excellent |
| Mar-M 247 | Nickel-based | ~8.4 | 1,030 | 655 | 6 | Up to 900 | Very Good | Excellent |
| MP35N | Cobalt-based | ~8.43 | 1,380 | 1,380 | 8 | Up to 300 | Outstanding | Good |
| L-605 | Cobalt-based | ~9.1 | 860 | 310 | 30 | Up to 980 | Good | Good |
| A-286 | Iron- based | ~7.9 | 1,020 | 680 | 25 | Up to 700 | Good | Moderate |
| Incoloy 800 | Iron- based | ~7.94 | 520 | 205 | 30 | Up to 540 | Good | Moderate |
Note: the values in this table are approximate and can vary depending on the form, treatment, and conditions of the alloy.
Applications of CNC Machined Superalloys
CNC-machined superalloys are pivotal in aerospace, power generation, and automotive industries for their high strength, heat resistance, and precision component fabrication.
Aerospace Industry
Used in jet engines, superalloys withstand intense heat and maintain integrity in turbine blades and engine components.
Power Generation
For high-temperature, high-pressure environments, superalloys create durable turbine discs, shafts, and corrosion-resistant boiler tubes.
Oil and Gas Industry
Superalloys provide corrosion and pressure resistance in drilling equipment, high-stress pipes, valves, and offshore technology.
Automotive Industry
Essential in performance vehicles, superalloys enhance turbocharger durability and are used in heat-resistant, high-strength engine parts.
Chemical Processing
Superalloys resist chemical degradation in reaction vessels, pumps, and valves, enduring harsh substances and temperatures.
Nuclear Industry
In reactor components and fuel rod cladding, superalloys deliver vital radiation resistance and structural integrity.
FAQs about Superalloys CNC Machining
Superalloys are metallic materials that retain strength and resist corrosion even at high temperatures. They are popular in CNC machining for critical applications in aerospace, automotive, and medical industries due to their exceptional mechanical properties and thermal resistance.
Most superalloys can be machined using advanced CNC technology. However, the machining process requires specialized cutting tools, parameters, and expertise due to the materials’ high strength and work-hardening properties.
CNC machining of superalloys often involves slower cutting speeds, higher cutting forces, and the need for coolant due to the materials’ hardness. Specialized tools and programming are essential to manage the challenges presented by these materials.
Industries that operate in extreme environments, such as aerospace, power generation, oil and gas, and medical sectors, benefit from superalloy components for their durability and resistance to harsh conditions.
Due to the complexity of the machining process and the cost of superalloys, CNC machined superalloy components can be more expensive than those made from standard materials. However, their longevity and performance in challenging conditions often justify the cost.