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Inconel® is a material that is specifically optimized for some of the toughest use conditions to be found in manufacturing. Even compared to stainless steel, Inconel® has an incredibly high tolerance for extreme heat, and doesn’t lose as much tensile strength at 2,000°F as most varieties of steel.

However, Inconel® is an expensive material, one which is best reserved for the right use conditions where other materials won’t work as well. With this in mind, here is an explanation of Inconel’s® properties, as well as a few examples of uses where Inconel® would be preferred over most formulations of stainless steel:

When determining strength, tensile strength, corrosion resistance, and even melt resistance can be measured. Inconel 625® has a high tensile strength range of 103 - 160 ksi compared to the 73.2 ksi of stainless steel and can maintain that strength at higher operating temperatures. 

Though exact measurements vary, reported statistics state the range of the Inconel melting point between 2,350°F and 2,460°F (1,290°C and 1,350°C). While the Inconel melting point is lower than that of stainless steel, Inconel 625® is stronger than stainless steel at high temperatures while being more resistant to oxidation and scaling as well.

Inconel® is considered a superalloy due to being well suited for extreme pressure and heat environments as well as being corrosion resistant. However, stainless steel alloys are often more suitable for sterile manufacturing or medical applications. A superalloy like Inconel® tends to be better for heat treating applications and other high-temperature processes.