Inconel 718 Turbine wheel

Product Introduction

Material Characterization

Inconel 718 turbine is a turbine product made of Inconel 718 alloy. The following are the physical and chemical characteristics of the product, as well as its impact on product performance:

 1.Physical properties:

• Density: The density of Inconel 718 is approximately 8.19 grams per cubic centimeter, with a relatively high density.
• Melting point: Inconel 718 has a melting point of approximately 1260-1340 degrees Celsius and a high melting point.
• Thermal expansion coefficient: The thermal expansion coefficient of Inconel 718 is approximately 13.6 x 10 ^ -6/degree Celsius, with a moderate degree of thermal expansion.

 2.Chemical properties:

• Composition: Inconel 718 alloy is mainly composed of elements such as nickel (Ni), chromium (Cr), iron (Fe), and aluminum (Al), as well as some other alloying elements such as molybdenum (Mo), titanium (Ti), and niobium (Nb).

    Nickel (Ni): 50-55%
    Chromium (Cr): 17-21%
    Iron (Fe): Balance
    Molybdenum (Mo): 2.8-3.3%
    Aluminum (Al): 0.65-1.15%
    Titanium (Ti): 0.2-0.8%
    Carbon (C): 0.08% (maximum)
    Silicon (Si): 0.35% (maximum)
    Manganese (Mn): 0.35% (maximum)
    Phosphorus (P): 0.015% (maximum)
    Sulfur (S): 0.015% (maximum)
    Boron (B): 0.006% (maximum)

• Corrosion resistance: Inconel 718 alloy has excellent corrosion resistance and can resist the corrosion of corrosive media such as oxidation, vulcanization, and chlorination, making it suitable for use in harsh environments.

 3.Impact on product performance:

• High temperature strength: Inconel 718 alloy has excellent high temperature strength and heat resistance, which can maintain good mechanical properties in high-temperature environments and is suitable for high-temperature working environments.
• Corrosion resistance: Inconel 718 alloy has good corrosion resistance and can maintain stable performance in harsh corrosive environments, extending the service life of the product.
• Mechanical properties: Inconel 718 alloy has excellent mechanical properties, including high strength, high hardness, and good toughness, making the turbine have excellent durability and reliability.

    Yield strength (room temperature): approximately 760 MPa
    Ultimate tensile strength (room temperature): approximately 1300 MPa
    Elongation rate (room temperature): approximately 30%
    Bending strength (room temperature): approximately 1700 MPa
    High temperature tensile strength (650 ° C): approximately 170 MPa
    High temperature elongation (650 ° C): approximately 15%
    Antioxidant properties: It has excellent antioxidant properties in high temperature environments and can work stably for a long time in high temperature environments.
    Corrosion resistance: It has excellent corrosion resistance and can work stably in acidic, alkaline, and salt corrosive environments.

In summary, Inconel 718 turbines have excellent physical and chemical properties, including high-temperature strength, corrosion resistance, and mechanical properties, suitable for various high-temperature and high-pressure working environments, providing excellent performance and reliability for turbine products.

Design Structure

The Inconel 718 turbine typically consists of several main components, each of which carries specific functions and roles:
1.Blades:

The blades of a turbine are one of its most critical components, usually made of Inconel 718 alloy. The blades are installed on the turbine rotor and drive the turbine to rotate through high-temperature and high-speed gas flow, thereby converting fluid kinetic energy into mechanical energy. The design structure and shape of the blades affect the performance and efficiency of the turbine.
2.Rotor:

The rotor is the rotating component of a turbine, consisting of blades, shafts, and discs. The blades on the rotor are directly subjected to the impact and rotational force of high-temperature and high-speed gases, so they are usually made of high-temperature alloys, such as Inconel 718. The main function of the rotor is to convert gas kinetic energy into mechanical energy, driving the turbine to rotate.
3.Stator:

The stator is a stationary component of a turbine, typically composed of stationary blades or guide plates inside. The main function of the stator is to guide gas through the turbine, causing changes in its flow rate and direction, thereby increasing the conversion efficiency of gas kinetic energy.
4.Bearings:

The bearing components of the turbine bear the weight of supporting the rotor and stator, reducing friction and vibration during rotation, and ensuring smooth operation of the turbine. Bearings are usually made of high-temperature and wear-resistant materials to meet the requirements of high-temperature and high-speed working environments.
5.Casing:

The casing of a turbine is an external structure used to wrap the rotor and stator inside the turbine, while withstanding the pressure and temperature of the external environment. The design and material selection of the casing are crucial for maintaining a high-temperature and high-pressure environment inside the turbine and protecting internal components.

By properly designing and assembling these components, the Inconel 718 turbine can effectively convert gas kinetic energy into mechanical energy, provide power output, and meet the needs of various industrial applications.

Crafting

The manufacturing process of Inconel 718 turbines typically involves multiple steps and processing techniques to ensure product quality and performance. The following is the general manufacturing process flow and measures to ensure product quality and performance:
1.Material preparation:
Purchase high-quality Inconel 718 alloy materials to ensure compliance with relevant standards and specifications.
Inspect and test materials to ensure their quality meets standards.
2.Mold design and manufacturing:
Design molds for turbine blades and other components, and manufacture molds that meet the requirements.
Mold manufacturing typically includes processes such as CNC machining, electrical discharge machining, and grinding to ensure the accuracy and quality of the mold.
3.Casting process:
Inject the preheated Inconel 718 alloy material into the mold for casting and molding.
Control the temperature, pressure, and cooling rate during the casting process to ensure that the solidification and shape of the castings meet the design requirements.
4.Precision machining:
Precision machining of castings, including milling, drilling, grinding, etc., to ensure dimensional accuracy and surface quality.
Adopting advanced CNC machining equipment and processes to improve machining efficiency and accuracy.
5.Heat treatment:
Heat treat the processed turbine blades, adjust their microstructure and performance, and improve their strength and heat resistance.
Control the heat treatment process parameters to ensure that the product meets the performance indicators required by the design.
6.Quality control:
Implement strict quality control measures, including raw material inspection, process monitoring, finished product inspection, etc., to ensure stable product quality.
Conduct size testing, chemical composition analysis, and metallographic observation on turbine blades to ensure that the product meets standard requirements.
7.Performance testing:
Conduct performance tests on turbine blades, including static and dynamic tests, to verify their performance indicators such as load-bearing capacity, heat resistance, and corrosion resistance.
Simulate testing of the turbine in actual working environments to evaluate its long-term stability and reliability.

Through the above manufacturing processes and quality control measures, it can be ensured that the quality and performance of Inconel 718 turbines meet the design requirements, meet customer needs and application requirements.

Application

Inconel 718 is a high-temperature alloy with excellent high-temperature strength, corrosion resistance, and mechanical properties, thus widely used in multiple fields. The following are the main application areas and uses of Inconel 718, as well as its advantages and value in these areas:
1.Aerospace field:

• Inconel 718 is widely used in the aerospace industry to manufacture engine components such as turbine blades, turbine discs, bearings, etc.
• Advantages: Inconel 718 has excellent high-temperature strength and corrosion resistance, which can work stably in extreme high-temperature and high-pressure environments, ensuring the reliability and performance of the engine.

2.Energy industry:

• Inconel 718 is also applied in the energy industry, such as components such as downhole tools, pipelines, and valves in oil and gas extraction.
• Advantages: Its corrosion resistance and high temperature performance enable it to operate stably in harsh oil and gas environments for a long time, extending the service life of the equipment.

3.Chemical industry:

• Inconel 718 is widely used in high-temperature and high-pressure equipment in the chemical industry, such as reactors, heat exchangers, evaporators, and other components.
• Advantages: Its corrosion resistance and high temperature performance enable it to operate stably in various corrosive media and high temperature conditions, ensuring the safety and reliability of the equipment.

4.Aerospace manufacturing industry:

• Inconel 718 is also used in structural components, propulsion systems, and thermal protection components of spacecraft and aircraft.
• Advantages: In extreme space environments, Inconel 718 can provide good heat resistance, corrosion resistance, and mechanical performance, ensuring the safety and reliability of spacecraft and aircraft.

Packaging and delivery

Lead time

Samples

Maximum order quantity: 1 piece

Sample price:$500.00/piece

Order sample

Customization

• Customized logo ： Min. order: 1000
• Customized packaging ： Min. order: 1000
• Graphic customization ： Min. order: 1000

For more customization details, message supplier

Surface Coating Technology

Company Profile

Why Choose us

As one of the largest casting factories in China, we have 20 + years of experience. I'd like to introduce our factory in detail for you:

• Adopt technology: lost wax investment casting, sand casting, shell mold casting, lost foam casting, vacuum casting and CNC machining, etc.
• Credit insurance: USD 1,110,000.00. Authorized by Alibaba to guarantee your money and business safe.
• Certificate: ISO9001, ISO14001, CE, EAC, TUV, SGS, SABER, TS16949, CE, EAC, SGS
• More than 40 + exporting countries and More than 300 + abroad customers.

FAQ

Q1.Are you trading company or manufacturer?

A:OBT was established In 2003,speclallzing in the production of casting, CNC machining, forged titanlum alloys, high temperature alloys, brass products and one-stop technical solutions for more than 20 years.

Q2. Do you customize products according to our design drawings ?

A:Yes, we are a professional metal manufacturing factory with an experlenced engineering team that can make customized products according to customer drawings. We can also reverse-engineer drawings based on samples to produce large quantitles of goods.

Q3. WIll my design drawings be safe when you get It?

A:Yes, we will not publish your design to a third party unless your permission Is obtalned. We can sign NDA before you send the drawings.

Q4:How to avold mass order quality problems?

A:Strengthen prior prevention and Inspection of the production and processing process, regard Important processes as the focus of quallty control, and track Inspection and defense throughout the process. It can provide Spectrometer,MM, Tensile testing machine, Impact tester, Hardness tester, X-Ray,Salt spray test box, Pneumatic detection, UV accelerated weathering tester,dynamic balancing, high-temperature tensile testing, fluorescence test,room temperature mechanical property testing and other testing.

Q5.What's your dellvery time?

A:In general, the dellvery time Is within 15-90 days after payment. Q6.What Is the speed of the Impeller? What's the highest temperature It can withstand? A:The Impeller speed can reach 12,000 pm, and the high temperature resistance can reach 1,200 degrees Celslus. Depending on the material, the high temperature resistance of the product Is different.

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