Hastelloy vs Titanium – What’s the Difference

Hastelloy vs Titanium

Choosing the right metal for your project is crucial for its success. Regarding high-stress and high-temperature applications, two of the most popular metals are Hastelloy and Titanium. Both are known for their exceptional corrosion resistance properties and durability, making them ideal for various industrial uses. However, many people are still unsure about the differences between these two metals. This blog post will explore the differences and help you decide which metal is the best for your next project.

What is Hastelloy?

Hastelloy is a group of highly corrosion-resistant nickel-based alloys with many industrial applications. It makes up part of the family of “superalloys” due to its ability to resist extreme heat, pressure and chemical attacks. Used in aerospace engineering, marine engineering, nuclear power plants and chemical processing equipment.

What is Titanium?

Titanium is a lustrous, silver-grey transition metal commonly used in aerospace and medical applications. It is light-weight yet strong, corrosion resistant, and has excellent heat transfer capabilities. Titanium alloy also has a high strength-to-weight ratio, making it ideal for aerospace applications.

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Difference Between Hastelloy and Titanium


Hastelloy is a family of nickel-based alloys, including copper, iron, and molybdenum. It is known for its high corrosion resistance in various acids and alkaline environments. On the other hand, Titanium is a silver-grey metal that is highly resistant to corrosion and has a higher strength-to-weight ratio than any other metal. It is commonly alloyed with other elements, such as aluminium, vanadium, and iron, to enhance its properties.

Strength and Durability

Hastelloy is a robust metal highly resistant to corrosion and oxidation at high temperatures. Its high-tensile strength and resistance properties make it useful in harsh environments. In contrast, Titanium has excellent strength properties, with a higher strength-to-weight ratio than any other metal. It also has excellent fatigue strength, making it ideal for high-stress applications.

Temperature Resistance

Hastelloy has excellent high-temperature resistance properties and can withstand temperatures up to 1600°F. This makes it ideal for furnace applications in the chemical and petrochemical industries. Titanium, however, has a lower melting point than Hastelloy, and its temperature resistance properties are not as high. It is best suited for use in low-temperature applications.


Hastelloy is known for its excellent weldability and can be welded using various welding methods, including TIG, MIG, and stick welding. Titanium, however, is more challenging to weld and requires specialized welding techniques.


Hastelloy is more costly than Titanium due to its complex composition and manufacturing process. Titanium is more affordable and readily available, making it a more attractive option for many applications.


Hastelloy and Titanium have unique advantages and disadvantages, and what is best for your project will depend on your application’s specific requirements. Hastelloy is the go-to choice for high temperature, durability, and excellent corrosion resistance. At the same time, Titanium is ideal for low-temperature applications, high strength, and an excellent strength-to-weight ratio. Regardless of which metal you choose, be sure to work with a reputable supplier to ensure that you receive high-quality materials. Always thoroughly analyse your project’s needs and choose the metal that best suits your specifications.



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