Are Abrasion Resistant Wear Plates resistant to galling?

Nov 07, 2025

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Hey there! As a supplier of Abrasion Resistant Wear Plates, I often get asked this question: “Are Abrasion Resistant Wear Plates resistant to galling?” Well, let's dig into this topic and find out.

First off, let's understand what abrasion-resistant wear plates are. These plates are designed to withstand the wear and tear caused by friction, impact, and abrasion. They're used in a wide range of industries, from mining and construction to manufacturing and agriculture. The main purpose of these plates is to protect equipment and machinery from damage, which can save a lot of money in the long run.

Now, what's galling? Galling is a form of wear that occurs when two surfaces are in contact under high pressure and slide against each other. It can cause material transfer between the surfaces, leading to rough spots, scoring, and even seizure of the parts. Galling is a big problem in many industries, especially those where tight tolerances and smooth operation are crucial.

So, are abrasion-resistant wear plates resistant to galling? The answer isn't a simple yes or no. It depends on several factors, such as the material of the wear plate, the surface finish, the operating conditions, and the type of contact.

Let's start with the material. Different materials have different properties when it comes to galling resistance. For example, some steels are more prone to galling than others. Stainless steels, for instance, can be quite susceptible to galling, especially in high-pressure and high-temperature applications. On the other hand, some specialized alloys are designed to have excellent galling resistance.

As a supplier, I offer a variety of abrasion-resistant wear plates, including the Nm550 Wear-resistant Steel Plate and the Nm450 Abrasion Resistant Steel Plate. These plates are made from high-quality steels that have been heat-treated and processed to enhance their abrasion resistance. But how do they fare against galling?

Well, the Nm550 Wear-resistant Steel Plate has a high hardness level, which gives it good resistance to abrasion. However, hardness alone doesn't guarantee galling resistance. In fact, very hard materials can sometimes be more prone to galling because they're less likely to deform and absorb the energy of the sliding contact. The key is to find a balance between hardness and ductility.

The Nm450 Abrasion Resistant Steel Plate also has good abrasion resistance, but its lower hardness compared to the Nm550 might give it slightly better galling resistance in some applications. It's more ductile, which means it can deform to some extent without cracking or seizing.

Another important factor is the surface finish of the wear plate. A smooth surface finish can reduce the friction between the two contacting surfaces, which in turn can reduce the likelihood of galling. We take great care to ensure that our Wear Resistance Steel Plate has a high-quality surface finish. We use advanced machining and polishing techniques to achieve a smooth and uniform surface, which helps to improve both abrasion and galling resistance.

The operating conditions also play a big role. High temperatures, high pressures, and the presence of contaminants can all increase the risk of galling. For example, in a mining application where the wear plates are exposed to dirt, dust, and abrasive particles, the risk of galling is higher. In such cases, it's important to choose a wear plate that can withstand these harsh conditions.

The type of contact between the wear plate and the mating surface is also crucial. There are two main types of contact: sliding contact and rolling contact. Sliding contact is more likely to cause galling than rolling contact because there's more friction and material transfer involved. If the application involves mainly sliding contact, then a wear plate with better galling resistance is needed.

In some cases, additional measures can be taken to improve the galling resistance of abrasion-resistant wear plates. One common method is to use lubricants. Lubricants can reduce the friction between the surfaces and prevent direct metal-to-metal contact, which can significantly reduce the risk of galling. Another method is to apply a surface coating. Coatings such as nitride or carbide can provide a hard and smooth surface that resists galling.

So, to sum it up, abrasion-resistant wear plates can have some level of galling resistance, but it depends on many factors. As a supplier, I can help you choose the right wear plate for your specific application. Whether you need a plate with high abrasion resistance, good galling resistance, or a combination of both, I've got you covered.

If you're in the market for abrasion-resistant wear plates and want to learn more about their galling resistance, don't hesitate to reach out. We can discuss your requirements in detail and find the best solution for your needs. Contact us today to start the conversation and let's work together to find the perfect wear plate for your business.

References

Wear Resistance Steel PlateNM450 Abrasion Resistant Steel Plate

  • ASM Handbook Volume 18: Friction, Lubrication, and Wear Technology
  • Tribology Handbook, Second Edition by Bhushan, Bharat