Inconel 751 is an age hardenable nickel-chromium-iron alloy
2025-01-02
Inconel 751 is a remarkable superalloy that combines high strength, excellent corrosion resistance, and outstanding mechanical properties, making it suitable for a wide range of demanding applications. Its unique chemical composition, coupled with its ability to withstand extreme environments, positions it as a critical material in industries such as aerospace, automotive, and chemical processing.
2.4694 / Alloy 751 / Inconel 751 is an age hardenable nickel-chromium-iron alloy. Characterized by high tensile strength up to 600 ° C (1110 ° F) and high creep and fatigue strength up to 820 ° C (1510 ° F). It has high oxidation resistance up to 980 ° C (1795 ° F). It shows excellent mechanical properties in low temperature environments. Has good corrosion resistance at high and low temperatures and high resistance to stress corrosion and a good weldability.

Due to its high strength up to 820 ° C (1508 ° F) and excellent corrosion resistance, 2.4694 / Alloy 751 / Inconel 751 can be used in a wide variety of applications. A typical application is in the exhaust valves of combustion engines.
Applications
Inconel 751 is utilized in a variety of applications across multiple industries due to its superior mechanical and chemical properties. Some of the primary applications include:
- Aerospace: Inconel 751 is used in components such as gas turbine engines, where it must withstand high temperatures and mechanical stresses.
- Automotive: The alloy is employed in exhaust valves and other high-temperature components in heavy-duty diesel engines.
- Chemical Processing: Inconel 751 is suitable for use in chemical processing equipment, where it resists oxidation and corrosion from various chemicals.
- Marine Applications: The alloy is utilized in marine environments due to its excellent resistance to pitting and crevice corrosion.
- Power Generation: Inconel 751 is used in components of gas turbines and other power generation equipment, where high strength and corrosion resistance are critical.
- The versatility of Inconel 751 makes it a preferred choice in applications that require materials to perform reliably under extreme conditions.
Lork Group is a professional manufacturer and exporter of metal material products in China. Specializing in the production of various nickel-based alloys, Hastelloy alloys, and high-temperature alloy materials. Specializing in the production and sales of alloy materials.
Lork Group is products are widely used in aerospace, chemical industry, electric power, automobile, nuclear energy, and other fields, and can also provide customized alloy material solutions according to customer needs. If you need to know the price consultation of alloy materials or provide customized alloy material solutions. Stocks and processes tube, pipe, bar, strip, foil, sheet, and plate in stainless, aluminum, copper, titanium, and nickel alloy, etc., according to the American ASTM standard, Japanese JIS standard, German DIN standard, British BS standard, and other standards.
4 Types of Rhenium Alloys That are Widely Used
ASTM F1537: Application in surgical implants
Related Article
If you are unsure whether to use Stellite 6, 12, or 21 for your current project, simply send us a description of the operating conditions, and Lork Group engineers will provide a free "grade recommendation." Click the button below to submit details regarding operating temperature, corrosive media, and impact conditions, and we will respond within 24 hours.
Top 10 Suppliers of Stellite Alloy Materials for 2026
To meet the demand for metallurgical equipment and industrial furnaces in post-war industrial reconstruction, Lork Group supplies nickel alloy components—including high-temperature furnace tubes (for sulfur-containing atmospheres), radiant tubes (for carburizing environments), combustion chamber liners, fasteners, and springs.
Nickel Alloys for Core Applications in Metallurgical Equipment and Industrial Furnaces