Hastelloy vs Stainless Steel – What’s the Difference?

Both Hastelloy and stainless steel have attracted much attention for their unique properties and wide range of applications. Although they both belong to the alloy category, there are still clear differences between them. So, Hastelloy vs stainless steel – what’s the difference? This article will analyze the differences between Hastelloy and stainless steel in detail, hoping to help readers make more informed decisions when choosing and using metal materials.

Hastelloy vs Stainless Steel – What’s the Difference?

Hastelloy vs Stainless Steel – 1. Differences in Ingredients:

Hastelloy is a nickel-based alloy mainly composed of nickel, iron, chromium, and small amounts of molybdenum, tungsten, and other elements. Among them, the nickel content usually exceeds 50%, giving Hastelloy good corrosion resistance. The addition of chromium enhances the oxidation resistance of the material, while the addition of molybdenum and tungsten further improves the corrosion resistance of the alloy, especially in harsh environments such as strong acid and strong alkali.

Stainless steel is a type of steel that contains at least 12% chromium, with the remainder consisting of iron, carbon, and possibly other alloying elements such as nickel, molybdenum, titanium, etc. In different types of stainless steel, the content and proportion of elements will also be different, giving stainless steel different performance characteristics.

Hastelloy vs Stainless Steel – 2. Differences in Performance:

1. Corrosion resistance: Hastelloy is known for its excellent corrosion resistance, especially in high temperatures, high pressures, and highly corrosive media. Its corrosion resistance is better than most stainless steels, making it widely used in the chemical industry, petroleum, marine engineering, and other fields. Although stainless steel also has good corrosion resistance, it may not be as good as Hastelloy in some extreme environments.
2. Mechanical properties: Hastelloy has high strength, toughness, and ductility, and can maintain good mechanical properties in high and low-temperature environments. The mechanical properties of stainless steel vary depending on its type and composition, but it generally has better strength and hardness.
3. Heat treatment properties: Hastelloy has good stability and processability during heat treatment, and its properties can be adjusted through heat treatment. The heat treatment of stainless steel is more complicated. Different stainless steel types require different heat treatment processes to achieve optimal performance.

Hastelloy vs Stainless Steel – 3. Differences in Application Fields:

Due to the differences in composition and properties between Hastelloy and stainless steel, there are also obvious differences in their application fields.

Hastelloy is widely used in petrochemical, aerospace, marine engineering, electric power, and other fields due to its excellent corrosion resistance, high-temperature strength, and good mechanical properties, especially in environments that need to withstand high temperature, high pressure, and strong corrosion.

Stainless steel is widely used in construction, home appliances, kitchenware, medical equipment, and other fields due to its excellent corrosion resistance, beautiful appearance, and good processing performance. In addition, stainless steel also has good electromagnetic shielding properties, so it also has certain applications in electronics, communications, and other fields.

Why Choose Huaxiao Alloy?

In conclusion, although both Hastelloy and stainless steel belong to the alloy category of metal materials, they exhibit significant differences in composition, properties, and application fields. Hastelloy, with its remarkable corrosion resistance, high-temperature strength, and excellent mechanical properties, finds widespread applications in specific domains. On the other hand, stainless steel, renowned for its superior corrosion resistance, aesthetic appeal, and good processability, has found its place in various sectors. Consequently, when selecting materials, it is crucial to consider the specific usage environment and requirements to make an informed choice.

Thank you for reading our article and we hope it can help you to have a better understanding of the differences between Hastelloy vs stainless steel. If you are looking for Hastelloy suppliers online now, please don’t hesitate to contact Huaxiao Alloy.

As a leading supplier of Hastelloy products from Shanghai, Chian, Huaxiao Alloy provides customers with high-quality Hastelloy products such as Hastelloy B3 (UNS N10675), Hastelloy D205, Hastelloy G30 (UNS N06030), Hastelloy C-2000, Hastelloy B2, Hastelloy X alloy, Hastelloy C4, Hastelloy C-276, and Hastelloy C22 at a very competitive price.