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Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing

China Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing

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Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing

MOQ： 500 kgs
Price： 22 - 30 USD/Kg
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Payment Terms	L/C, T/T, Western Union
Supply Ability	3 Ton per week
Delivery Time	5 - 12 days based on the quantity
Packaging Details	standard packing for export
Products	Nickel Alloy Sheet & Plate
Grade	Inconel 625
Thickness	0.5 - 30.0mm
Standard size	10002000mm 12192438mm
Standard	ASTM EN
Service	Cutting
Loading Port	Shanghai Port
Surface	2B NO.1
Brand Name	DELTA
Model Number	Inconel 625
Certification	ISO
Place of Origin	China

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Product Details
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Product Specification


Payment Terms	L/C, T/T, Western Union	Supply Ability	3 Ton per week
Delivery Time	5 - 12 days based on the quantity	Packaging Details	standard packing for export
Products	Nickel Alloy Sheet & Plate	Grade	Inconel 625
Thickness	0.5 - 30.0mm	Standard size	10002000mm 12192438mm
Standard	ASTM EN	Service	Cutting
Loading Port	Shanghai Port	Surface	2B NO.1
Brand Name	DELTA	Model Number	Inconel 625
Certification	ISO	Place of Origin	China
High Light	Inconel 625 aerospace flat sheet ，Nickel alloy marine plate ，Inconel 625 chemical processing sheet

Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing

Products Specification

Products Name	Inconel 625 Nickel Alloy Sheet Plate
Thickness	Cold rolled: 0.5 - 3.0mm Hot rolled 4.0 - 30.0mm
Standard Size	10002000mm 12192438mm 12193048mm 15006000mm
Surface	2B NO.1
MOQ	50 kgs
Service	Cutting, Surface Finishing
Packing	Waterproof paper and wooden pallets
Loading Port	Shanghai Port
Price term	FOB CFR CIF EXW
Payment term	30% TT in advance , 70% TT balance against copy of B/L
Main Grade	Hastelloy C22 C4 X C276 G35
	Monel 400 K500
	Incoloy 800 800H 800HT 825 925
	Inconel 600 601 617 625 716 718
Stainless Steel Grade	201 202 301 304L 309S 310S 316L 316Ti 317L 321 347 409L 410 410S 420J1 420J2 430 431 436L 439 440A/B/C 441 443 444 2205 2507 904L 254SMO 253MA

Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing

In the realm of high-performance materials, Inconel 625 flat sheets and plates stand out as a premier choice for industries operating in extreme environments. As a non-magnetic, nickel-based superalloy, Inconel 625 (UNS N06625, Werkstoff Nr. 2.4856) is engineered to deliver exceptional strength, superior corrosion resistance, and remarkable thermal stability across a wide temperature range—from cryogenic conditions to as high as 1093°C (2000°F) . Its unique composition, featuring high nickel content paired with molybdenum and niobium for solid-solution strengthening, eliminates the need for precipitation-hardening treatments while ensuring unparalleled durability in the harshest operating conditions . Whether for aerospace engine components, marine offshore structures, or chemical processing equipment, Inconel 625 flat sheets/plates consistently meet the rigorous demands of critical applications, making them a trusted material among engineers and manufacturers worldwide.

Key Chemical Composition of Inconel 625 Flat Sheet/Plate

The exceptional performance of Inconel 625 stems from its precisely balanced chemical composition. At its core, a minimum of 58% nickel provides a stable austenitic matrix, while chromium (20-23%) forms a dense Cr₂O₃ oxide film that delivers superior oxidation resistance . Molybdenum (8-10%) enhances resistance to pitting and crevice corrosion, particularly in chloride-rich environments, and niobium (3.15-4.15%, often paired with tantalum) works synergistically with molybdenum to strengthen the alloy through solid-solution hardening . Strict limits on impurities such as carbon, phosphorus, and sulfur ensure optimal weldability and prevent intergranular corrosion. The complete chemical composition is detailed in the table below:

Element	Content Range (%)	Key Function
Nickel (Ni)	≥58.0	Forms stable austenitic matrix; ensures cryogenic toughness
Chromium (Cr)	20.0-23.0	Creates protective oxide film; resists oxidation and scaling
Molybdenum (Mo)	8.0-10.0	Enhances pitting/crevice corrosion resistance; boosts strength
Niobium (Nb) + Tantalum (Ta)	3.15-4.15	Solid-solution strengthening; improves high-temperature creep resistance
Iron (Fe)	≤5.0	Minor alloying element; aids in processing
Cobalt (Co)	≤1.0	Impurity control; maintains alloy stability
Carbon (C)	≤0.10	Prevents carbide precipitation; ensures weldability
Manganese (Mn) / Silicon (Si)	≤0.50 each	Deoxidizers; support manufacturing processes
Phosphorus (P) / Sulfur (S)	≤0.015 each	Impurity limits; avoid intergranular corrosion and brittleness

Critical Physical & Mechanical Properties

Inconel 625 flat sheets and plates exhibit a unique combination of physical and mechanical properties that make them indispensable for extreme applications. With a density of 8.44 g/cm³ and a melting range of 1290-1350°C, the alloy maintains structural integrity even in high-temperature environments . Its thermal expansion coefficient (13.1-13.4×10⁻⁶/°C from room temperature to 1000°C) is stable, reducing stress accumulation caused by temperature fluctuations—a key advantage for aerospace and energy applications . Mechanically, it boasts impressive tensile strength (≥760 MPa at room temperature), yield strength (≥345 MPa), and elongation (≥30%), ensuring durability under high mechanical stress . Even at elevated temperatures (e.g., 600°C), it retains tensile strength above 550 MPa and yield strength above 345 MPa, outperforming many other nickel-based alloys . The table below summarizes core properties:

Property	Value	Test Condition
Density	8.44 g/cm³	Room temperature
Melting Range	1290-1350°C (2354-2462°F)	—
Thermal Expansion Coefficient	13.1-13.4×10⁻⁶/°C	20-1000°C
Thermal Conductivity	9.8 W/(m·K)	Room temperature
Tensile Strength	≥760 MPa (110 ksi)	Room temperature, annealed
Yield Strength (0.2% offset)	≥345 MPa (50 ksi)	Room temperature, annealed
Elongation	≥30%	Room temperature, annealed
Brinell Hardness	≤220 HB	Room temperature
Tensile Strength (Retained)	≥550 MPa	600°C (1112°F)
Oxidation Resistance	≤0.025 mm/year	1000°C (1832°F)

Unmatched Corrosion Resistance

One of Inconel 625’s most defining features is its exceptional corrosion resistance across diverse environments. It excels in both oxidizing and reducing media, resisting attack from seawater, salt spray, chloride solutions, nitric acid, sulfuric acid, phosphoric acid, and alkaline chemicals . Notably, it is nearly immune to chloride-induced stress corrosion cracking (SCC)—a common failure mode for many alloys in marine and chemical settings . In seawater environments, testing has shown that Inconel 625 experiences pitting depths of less than 0.005 mm every 6000 hours, making it ideal for long-term marine applications . It also resists intergranular corrosion, crevice corrosion, and impingement corrosion, even in high-velocity or turbulent fluid systems . Certified to NACE MR0175 (Level VII for acidic environments), Inconel 625 meets the strictest corrosion standards for oil and gas, chemical, and marine industries .

Industry-Specific Applications

Inconel 625 flat sheets and plates are tailored to meet the unique needs of three core industries: aerospace, marine, and chemical processing. Its versatility also extends to energy generation (nuclear and fossil fuel) an systems, but its performance in the following sectors is particularly noteworthy:

Aerospace & Aviation

In the aerospace industry, where reliability in extreme temperatures and high stress is non-negotiable, Inconel 625 is a staple material. It is widely used in jet engine components such as combustion chambers, turbine shroud rings, thrust reversers, and exhaust systems—parts that must withstand temperatures up to 1093°C and resist oxidation . Its high fatigue strength and weldability make it suitable for fabricating complex structures, while its cryogenic toughness ensures performance in high-altitude environments . Additionally, additive manufacturing (AM) of Inconel 625 (via directed energy deposition, DED) has expanded its use in aerospace, enabling the production of lightweight, complex parts with reduced material waste .

Marine & Offshore Engineering

Marine environments pose severe corrosion challenges due to saltwater, salt spray, and fluctuating temperatures—conditions where Inconel 625 thrives. It is used in offshore platforms, seawater desalination equipment,pipelines (subsea pipelines), ship hull components, and submarine systems . Its resistance to chloride SCC and pitting ensures long-term durability, reducing maintenance costs and minimizing downtime for critical marine infrastructure .

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Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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