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Inconel 718 Sheet
Inconel 718 Sheet Inconel 718 Sheet

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Inconel 718 Sheet

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Inconel 718 sheet is a nickel-based superalloy sheet (domestic designation GH4169), belonging to the precipitation hardening type of high-temperature alloy sheets. It is renowned for its excellent heat resistance, high strength, and good corrosion resistance.
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Product Specifications

Inconel 718 (Gh4169/UNS N07718)

chemical component%NiCrFeMoNbCMnSiSPCuAlTiB
min5017allowance2.84.75




0.20.20.65
max5521allowance3.35.50.080.350.350.0150.0150.30.81.150.006
physical   propertyDensity8.24 g/cm3
Melting   point1260-1320   ℃
The minimum mechanical properties of the alloy at room   temperatureTypical mechanical   propertiesTensile   strength
    Rm N/mm2
Yield   strength
    RP0.2N/mm2
Elongation   rate
    A5 %
Brinell Hardness
Solution   treatment96555030≥363


Key performance:

1. Excellent low-temperature resistance: It can maintain good toughness and strength even in a deep cold environment ranging from -250℃ to -253℃, without any low-temperature embrittlement issues, suitable for liquid hydrogen, liquid oxygen and other low-temperature conditions.

2. High strength + excellent high-temperature stability: After solution treatment and aging heat treatment, the room temperature tensile strength is ≥ 1240 MPa, the yield strength is ≥ 1030 MPa, the elongation rate remains above 12%, combining strength and toughness; it can be used for long-term stable service at **≤ 650℃**, with short-term maximum temperature tolerance up to 800℃, and the mechanical properties at 650℃ under high temperature have minimal attenuation and excellent creep resistance: at 650℃ and 345 MPa stress, the creep fracture time is ≥ 1000 hours.

3. Good processing performance: In the solution annealed state, the plasticity is excellent, suitable for various processing methods such as cutting, cold bending, hot bending, stamping, bending, rolling, CNC machining; the hardening rate is moderate, and the cutting performance is superior to most similar high-temperature alloys, making it easy to process complex structures.


Product advantages:

1. "Soft first, then hard" process characteristics: The solution state is easy to process and shape, suitable for manufacturing complex-shaped parts; after aging treatment, it obtains high strength, significantly reducing the manufacturing difficulty and cost of complex structural components.

2. Extremely strong compatibility with working conditions: It can simultaneously meet various demanding requirements such as high temperature, high pressure, strong corrosion, high and low temperature alternating, high load, etc., with extremely strong versatility, making it a "all-round" high-temperature alloy sheet for industrial use.

3. High flexibility for customization: It can provide solution annealed state (soft state, suitable for processing and shaping), aging strengthened state (directly used for high-strength conditions), and can also customize surface treatment (cold rolling 2B, hot rolling acid washing, polishing, sandblasting, mirror finish), heat treatment, and precision processing and other supporting services.


Applications:

1. Petroleum and natural gas industry: Raw sheet for high-temperature blades of petroleum and gas turbines, turbine blades, guide vanes base materials, combustion chamber liners, gas turbine casings, boilers' high-temperature structural components, and also suitable for nuclear power reactor's high-temperature and high-pressure structural components, and pressure-bearing plates for oil and gas extraction wells.

2. Chemical industry: Used as corrosion-resistant high-pressure reaction vessel shell sheets, heat exchangers, condensers, evaporators, distillation towers, pressure vessel sheets, as well as various valves, pump bodies, pipes, and sealing plate liners in acidic and chloride environments.

3. Mechanical industry: Used as high-temperature die casting mold inserts, hot press forming molds, high-temperature injection molds, fixtures, etc., capable of maintaining stable strength and hardness in continuous high-temperature forming conditions, meeting the requirements of long-term high-temperature processing for wear resistance and deformation resistance, with a service life far superior to ordinary mold steel. 


Customer Experience:

1. Reliable performance meets standards: The material composition is precise, and the factory provides complete material reports, spectral detection, and mechanical performance reports. They can be rechecked and traced. They can also meet the strict standards of high-end fields such as aviation and nuclear power. The performance is stable and there are no issues.

2. Good processing experience: Cutting, stamping, and welding are all smooth, without problems such as difficult processing or easy cracking. The yield of the finished products is high, significantly reducing the time cost of processing and manufacturing.


We understand that each customer has unique needs. The Inconel 718 sheet has very strong customizability, covering dimensions, processing, performance, and special uses in multiple aspects, and can meet the individualized needs of different fields:

1. Customization of basic specifications: From 0.1mm cold-rolled thin strips and thin plates to 6-100mm and even 150mm hot-rolled medium-thick plates/extra-thick plates, they can all be customized for production. Surface treatment can also be selected as per need, such as acid washing, sandblasting, cold-rolled 2B, BA polishing, mirror treatment, etc., to meet the appearance requirements of different scenarios.

2. Customization of heat treatment states: According to the customer's usage and processing requirements, different supply states can be provided, such as solution annealing state and double-stage aging strengthening state. 

Our professional team will maintain close communication with you throughout the entire process, from the formulation of the design plan to the control of the production process, and finally to the delivery of the final product. We strive to meet your expectations at every stage. Any requests are welcome and you can contact us at any time. You can call our service hotline by using the contact number on the website, or communicate with us via email. You can also leave your contact information here. Our professionals will contact you as soon as possible to provide you with the highest quality service and the most professional solutions to meet your unique needs. We look forward to cooperating with you!


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