Product Sheet
Inconel 625
A nickel-chromium alloy with outstanding resistance to heat, corrosion, and wear.
About Inconel 625
Inconel 625 is a nickel-chromium-molybdenum superalloy engineered for exceptional performance in extreme environments involving high temperatures, mechanical stress, and aggressive corrosion. Its outstanding combination of mechanical strength and corrosion resistance makes it a preferred material in aerospace, marine, and energy sectors.
This alloy also offers remarkable protection against oxidation, acid attack, and saline environments, maintaining its structure and integrity even at elevated temperatures—ideal for high-performance industrial applications.
Technical Specifications and Composition of Inconel 625
Nickel-Based Alloy
With approx. 58% nickel content, Inconel 625 ensures excellent corrosion resistance and high thermal stability under extreme operating conditions.
Excellent Corrosion Resistance
The addition of molybdenum (Mo) and chromium (Cr) provides excellent resistance to acids, pitting corrosion, and marine environments.
Outstanding Oxidation Resistance
Stable up to 1000°C (1832°F), this alloy resists scaling and structural degradation in extreme heat and oxidative conditions.
Excellent Formability and Weldability
Inconel 625 is easy to machine and weld, allowing the manufacture of complex parts for tailored industrial uses.
High mechanical strength
This alloy retains excellent strength and flexibility at high temperatures, making it reliable in severe service environments.
Approximate Composition
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Nickel (Ni): ~58%
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Chromium (Cr): 20–23%
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Molybdenum (Mo): 8–10%
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Iron (Fe): ~5%
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Niobium (Nb): 3.15–4.15%
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Titanium (Ti): ≤ 0.4%
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Aluminium (Al): ≤ 0.4%
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Carbon (C): ≤ 0.1%
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Silicon (Si): ≤ 0.5%
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Manganese (Mn): ≤ 1.0%
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Phosphorus (P): ≤ 0.015%
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Sulphur (S): ≤ 0.015%
Industries and Applications
Inconel 625 is widely used in industries where reliability, resistance, and performance are critical.
Energy
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Gas and steam turbine components
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High-temperature oxidation-resistant power generation equipment
Nuclear & Fusion Applications
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Reactor components and internal structures
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Materials designed to withstand irradiation and extreme conditions
Aerospace & Aviation
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Gas turbine engine parts
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Propulsion systems and combustion chamber components
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High-temperature piping and structural elements
Marine & Offshore
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Hulls and submerged structures exposed to seawater
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Corrosion-resistant marine equipment, pipes, and tanks
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Gas/fluid processing systems in offshore environments
Chemical & Petrochemical
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Heat exchangers, piping, and reactors exposed to acids and aggressive gases
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Components requiring extreme chemical resistance
Why Choose Inconel 625?
Inconel 600 is the go-to alloy when both heat resistance and corrosion resistance are required. For businesses facing extreme operational conditions, it provides superior performance, reducing the risk of premature component failure.
Exceptional Corrosion Resistance
Performs reliably in harsh chemical and marine environments, resisting localised corrosion and acid attack.
High Temperature Strength
Withstands elevated temperatures while retaining its structural and mechanical properties—ideal for thermal applications.
Outstanding Formability & Weldability
Its ability to be easily machined and welded provides design flexibility for complex and custom components.
Durability & Long Service Life
Inconel 625 is built for longevity under extreme conditions, helping to reduce maintenance costs and operational risks.
Our Commitments
At MetalXplore, we offer top-grade Inconel 625, fully certified with complete traceability and strict compliance with international standards. Our technical experts are here to support you with tailored metallurgical solutions.
Superior Quality
Strictly controlled, certified materials to guarantee consistent, high-performance results.
Tailored Service
Tailored solutions based on your specific technical and industrial requirements.
Responsiveness
Optimised lead times to keep your operations on schedule.
Interested in Inconel 625?
Get in touch with our team for more information, technical advice, or a personalised quote. We’re here to support your industrial success with the best alloy for your needs.
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