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Is 17/4 PH Stainless Steel Magnetic?

Is 17/4 PH Stainless Steel Magnetic?

17-4 PH stainless steel is precipitation-hardening stainless steel that provides excellent corrosion resistance and high strength. It’s used in various commercial applications, from aerospace components to medical implants. But one of the most common questions about this material is whether or not it’s magnetic. Let’s take a closer look at the answer to that question.

17-4 PH Stainless Steel Properties

Before diving into the answer, let’s first look at some of the properties of 17-4 PH stainless steel. The “PH” in its name stands for “Precipitation Hardening,” which refers to its ability to increase its strength and hardness when exposed to certain chemical treatments and temperature ranges. This makes it an ideal material for applications with increased strength, such as aircraft parts and medical implants.

The composition of 17-4 PH stainless steel also plays an important role in determining its properties. Its chemical composition includes iron, chromium, nickel, manganese, silicon, and carbon. This combination gives it superior corrosion resistance compared to other types of stainless steel while still providing good strength and hardness levels.

Is 17/4 PH Stainless Steel Magnetic?

Now that we understand what makes up 17-4 PH stainless steel, let’s address the question: Is 17/4 PH stainless steel magnetic? The short answer is no – 17/4 PH stainless steel is not magnetic. This is because it contains very low levels of ferrite (or magnetic) elements like iron and nickel, which make it non-magnetic. It does contain chromium which does have magnetic properties. Still, since so few chromium atoms are present in this alloy, it does not create any magnetism in the material itself.


In conclusion, 17/4 PH stainless steel is not magnetic due to its low levels of ferrite elements like iron and nickel, which give it non-magnetic properties. Despite this lack of magnetism, this alloy still offers great corrosion resistance and high strength, making it an ideal choice for many commercial applications, such as aerospace components and medical implants. If you’re looking for a material with both strength and non-magnetic properties, consider using 17/4 PH stainless steel on your next project!

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