• JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
    Raian Ionescu
    Material quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future
Contact Person : Gao
Phone Number : 18751558002
Whatsapp : +8618751558002

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

Place of Origin China
Brand Name DELTA
Certification ISO
Model Number Inconel 625
Minimum Order Quantity 500 kgs
Price 22 - 30 USD/Kg
Packaging Details standard packing for export
Delivery Time 5 - 12 days based on the quantity
Payment Terms L/C, T/T, Western Union
Supply Ability 3 Ton per week

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

x
Product Details
Products Nickel Alloy Sheet & Plate Grade Inconel 625
Thickness 0.5 - 30.0mm Standard Size 1000*2000mm 1219*2438mm
Standard ASTM EN Service Cutting
Loading Port Shanghai Port Surface 2B NO.1
Leave a Message
Product Description

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 1000*2000mm 1219*2438mm 1219*3048mm 1500*6000mm
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 . 
Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing 0Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing 1Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing 2Inconel 625 Flat Sheet/Plate Ideal for Aerospace, Marine & Chemical Processing 3