Jan 26, 2026 Leave a message

Understanding Inconel 718 Alloy Plates: Performance and Applications

Gnee Steel is a professional manufacturer of Inconel 718 sheet metal. Gnee Steel's 718 alloy sheet packaging includes: steel strapping: pipes with an outer diameter not exceeding 3 inches are typically bundled together with polypropylene film to prevent rusting during sea transport, then secured with steel straps; wooden crates/crates: pipes are usually packed in wooden crates or crates for protection during transport, especially for longer or larger diameter pipes; seaworthy export packaging: suppliers typically use standard seaworthy export packaging methods, which may include various materials and techniques to protect pipes during transport; tarpaulin packaging: to prevent rainwater, seawater, etc., from seeping into the export wooden crate packaging during transport. Gnee Steel specializes in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy fields, and can provide customized alloy material solutions according to customer needs. For alloy material price inquiries or to obtain customized alloy material solutions, please feel free to contact us at ss@gneesteel.com for a quote. 

 
 
 
Understanding Inconel 718 Alloy Plates: Performance and Applications
Understanding Inconel 718 Alloy Plates: Performance And Applications
01.

Understanding Inconel 718 Alloy Plates: Performance and Applications

Inconel 718 (UNS N07718/W.Nr. 2.4668) is a precipitation-hardening nickel-based superalloy with high strength and corrosion resistance, particularly suitable for temperature ranges from low temperatures to 700°C (1300°F). Due to its excellent weldability, fatigue resistance, and creep rupture strength, it is widely considered a mainstay in the superalloy industry. Inconel 718 in sheet form is widely used in critical components in industries such as aerospace, oil and gas, and power generation.

02.

What are the mechanical properties of Inconel 718?

Properties of Inconel 718

Inconel 718 is a nickel-based superalloy ideal for applications requiring high strength over a temperature range from low temperatures to 1400°F (760°C). Inconel 718 also exhibits excellent tensile and impact strength.

Inconel 718 Mechanical Properties

Inconel 718 sheet is a type of sheet metal rolled from a precipitation-hardening nickel-chromium-based superalloy (Inconel 718). Its core characteristic is precipitation strengthening through elements such as niobium and molybdenum, resulting in ultra-high strength, excellent creep and fatigue resistance even at temperatures up to approximately 700°C, while maintaining good corrosion resistance. It is specifically designed for manufacturing critical structural components subjected to extreme stress, high temperatures, and complex loads, such as aero-engine casings, aerospace structural parts, high-performance molds, and oil drilling equipment. It is a crucial sheet metal in the aerospace, energy, and high-end manufacturing sectors where stringent requirements for material mechanical properties and high-temperature stability are present.

 

Inconel 718 Sheets & Plates Specifications

Standard specifications for Inconel 718 sheet. Please contact us if any specifications are not listed here. We can also produce and export products of any custom specifications according to customer requirements.

Specifications ASTM / ASME SB670
Size 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm
Thickness 0.1mm to 12 mm Thk
Form Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange)
Finish Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Hardness Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc

 

Chemical Composition of Inconel 718 Sheets

Grade C Mn Si P S Cu Fe Ni Cr
Inconel 718 0.08 max 0.35 max 0.35 max – 0.015 max 0.30 max – 50.00 – 55.00 17.00 – 21.00

Chemical Composition of Inconel 718 Sheets

Chemical Composition of Inconel 718 Sheets

 

Inconel 718 Sheets & Plates Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.2 g/cm3 1350 °C (2460 °F) Psi – 1,35,000, MPa – 930 Psi – 75,000, MPa – 482 45 %

 

Equivalent Grades of Inconel 718 Sheets & Plates

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
Inconel 718 2.4668 N07718 NCF 718 – – – –

 

Inconel 718 Sheet Performance Characteristics

Inconel 718 sheet metal is renowned for maintaining structural integrity under extreme stress and temperature conditions, under which other materials may fail.

 

Inconel 718 Sheet Performance Characteristics

Inconel 718 Sheet Performance Characteristics

 

High Strength and Heat Resistance: This alloy retains high tensile strength, yield strength, and creep rupture strength at temperatures up to 700°C (1300°F). It is commonly used in applications requiring extremely high high-temperature strength.

Corrosion and Oxidation Resistance: It exhibits excellent resistance to corrosion, pitting, and stress corrosion cracking in harsh environments, including seawater and acidic gases (H₂S).

Weldability: Unlike other aluminum/titanium-reinforced superalloys, Inconel 718 possesses excellent weldability and effectively prevents post-weld cracking.

Physical Properties: Density is approximately 8.2 g/cm³ (0.296 lb/in³). It is non-magnetic.

Microstructure: High strength is achieved through the precipitation of γ' and γ'' phases during heat treatment, typically following standards such as AMS 5596 (plates/sheets).

 

info-347-417

 

Inconel 718 Sheet Metal - Industry and Applications

Gnee Steel's Inconel 718 sheet metal is widely used in various industries and fields. Some of the application industries are listed below:

Natural Gas Processing

Petrochemical Industry

Power Generation

Food Processing

Chemical Industry

Oil & Gas Industry

Fertilizer Industry

Paper Industry

 

Gnee Steel
 
 

About Gnee Steel

Gnee Steel is a professional manufacturer of nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy 800, Incoloy 800H/HT, Incoloy 825, Monel 400, Monel K500, and other high-temperature alloy materials. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power generation, automotive, nuclear energy, and other fields, and we can provide customized alloy material solutions according to customer needs. For inquiries about alloy material prices or customized alloy material solutions, please feel free to contact us via email at ss@gneemetal.com for a quote.

 
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