ThePipingMart Blog Grades Inconel 713LC Alloy – Composition, Properties, and Uses

Inconel 713LC Alloy – Composition, Properties, and Uses

Inconel 713LC

Inconel 713lc is a nickel-based superalloy known for its excellent mechanical and physical properties. It is widely used in several critical industries due to its exceptional corrosion and heat resistance. This blog aims to provide comprehensive information on the composition, physical and mechanical properties, uses, hardness, and heat treatment of Inconel 713lc.

Inconel 713LC Composition

Inconel 713lc belongs to the family of Inconel alloys and comprises several elements, such as nickel, chromium, iron, and aluminium. The quantity of each element present determines the performance and durability of the alloy. The nickel and chromium content in Inconel 713lc is comparatively higher than other elements. The aluminium and iron in the alloy help improve the strength and creep resistance of the material.

Inconel 713LC Physical Properties

Inconel 713lc is a supersaturated solid solution of nickel and chromium. It has excellent physical properties, such as a melting point of 1343℃ and a density of 7.95 g/ccm. The alloy has good thermal conductivity, making it useful in high-temperature applications. It also has a high resistance to corrosion and oxidation at high temperatures.

Inconel 713LC Mechanical Properties

One of the significant advantages of Inconel 713lc is its excellent mechanical properties. It has high tensile strength, fatigue, and excellent high-temperature creep resistance. Inconel 713lc can withstand high mechanical loads and has low ductility and low ductile-to-brittle transition temperature.

Inconel 713LC Uses

Inconel 713lc has applications in critical industries like aerospace, marine, and oil and gas. It is widely used in manufacturing steam turbine blades, exhaust systems, and combustor cans. The alloy also produces hot-section components of gas turbines and jet engines. Due to its exceptional high-temperature properties, it is preferred in manufacturing combustion liners, transition pieces, and flame holders.

Inconel 713LC Hardness

Inconel 713lc has high hardness, which is maintained even at high temperatures. It has a high resistance to creep, oxidation, and corrosion, making it suitable for long-term use. The hardness of Inconel 713lc can be improved through heat treatment. The alloy can be subjected to precipitation hardening to enhance its mechanical properties.

Inconel 713LC Heat Treatment

Inconel 713lc can be heat-treated to improve its mechanical properties. Heat treatment involves heating the alloy at a specific temperature and cooling it rapidly to room temperature. The process helps obtain the desired microstructure, which enhances the alloy’s hardness, creep resistance, and tensile strength. Inconel 713lc can be subjected to solution treatment followed by ageing to improve its mechanical properties and performance.


Inconel 713lc is a versatile superalloy extensively used in several critical applications. With its outstanding mechanical and physical properties, excellent heat and corrosion resistance, and high hardness, it is becoming increasingly popular in various industries. It is essential to understand the composition, physical and mechanical properties, uses, hardness, and heat treatment of Inconel 713lc to make informed decisions regarding its optimal utilization.

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