List of Magnets by Strength and Types for Buyers

Understanding Magnetic Strength Key Concepts

When we talk about magnetische sterkte, we’re essentially describing how powerful a magnet’s field is and how much force it can exert. In simple terms, it’s the magnet’s ability to attract and hold onto ferrous materials. This strength is usually described using two main measurements:

• Magnetic Flux Density (Gauss or Tesla) – Measures the density of magnetic field lines passing through a material.
• Pull Force (Newtons or pounds) – Indicates how much physical force is needed to detach a magnet from a steel surface.

For example, a neodymium magnet with a flux density of 1.4 Tesla can generate strong attractive force even if it’s physically small.

Factors that influence a magnet’s strength include:

• Materiaaltype – Permanent magnets like neodymium (NdFeB), samarium cobalt (SmCo), alnico, and ceramic (ferrite) differ in maximum achievable strength.
• Magneetgraad – Common neodymium grades range from N35 to N54; the higher the number, the stronger the magnet for a given size.
• Grootte en Vorm – Larger surface area or certain shapes (like blocks or discs) can focus magnetic force more effectively.
• Temperatuurbestendigheid – Some magnets lose strength when exposed to high heat; specialized grades maintain performance up to 300°C.

Magneetgrades are a shorthand for their maximum energy product, measured in Mega Gauss Oersted (MGOe). For example:

• N35 – Good general-purpose strength
• N42 cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• N52 cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

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Types of Magnets Ranked by Strength

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Neodymium magneten (NdFeB)

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Samariumkobalt (SmCo) magneten

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Alnico magneten

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Schijfmagneten zijn verkrijgbaar in verschillende materialen, klassen en magnetisatiesstijlen. Het kiezen van het juiste type hangt af van wat je nodig hebt qua sterkte, duurzaamheid en prestaties.

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Temporary Magnets and Electromagnets

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Comprehensive List Magnets by Strength

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Opmerkingen:

• *Pull force values shown are based on a 1″ diameter, 1/4″ thick disc touching a flat steel surface.
• “Max energy product” (MGOe) is a way to rate the raw magnetic strength of the material.
• Stronger magnets like high-grade neodymium offer more force in smaller sizes, but often have lower temperature tolerance compared to SmCo or Alnico.

How to Choose the Right Magnet Based on Strength and Application

Choosing the right magnet isn’t just about picking the strongest one you can find. You need to think about pull force, size, shape, temperature resistance, and material type to match your exact application. Here’s a quick breakdown to make that choice easier.

Understand Your Project Needs

• Pull Force vs. Size – If your design has limited space, you may need a stronger magnet like a neodymium grade N52 even in a small size.
• Temperatuur – High heat can weaken magnetic strength. For applications like motors or generators, Samarium-kobalt is better at high temps than most neodymium types (see high-temperature magnet guide).
• Duurzaamheid – Outdoor or wet environments often need magnets with strong coatings or rust resistance.

Match Material and Grade to Application

Factor In Cost

• Higher grades like N54 cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
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Safety Tips for Strong Magnets

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NBAEMs Magnet Solutions Quality and Strength You Can Trust

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Waarom NBAEM Kiezen

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• Custom Manufacturing cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Examples of Strength-Critical Applications

• Windturbines cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• Medische Apparaten – Precision magnets designed for safe, reliable performance.
• Automotive Motors – Heat-resistant samarium cobalt magnets for electric and hybrid vehicles.
• Industrial Lifting Equipment – Extra-strong magnets to handle heavy loads safely and repeatedly.

Whether you need small precision magnets or the strongest industrial-grade options on the market, NBAEM delivers strength, reliability, and performance you can measure.

FAQs About Magnet Strength

Why do different magnets have different strengths

Magnet strength mainly comes down to material type, grade, en Grootte. Neodymium magnets are generally the strongest permanent magnets, while ceramic (ferrite) magnets are weaker but more affordable. The grade (like N35, N52) also plays a big role — higher grades pack more magnetic energy in the same size. Shape and how the magnet is magnetized also affect overall strength.

Can magnet strength be affected by temperature

Yes. High heat can cause magnets to lose strength — sometimes permanently. Each magnet type has a maximale bedrijfstemperatuur. For example, standard neodymium magnets start losing performance around 176°F, while cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits can handle much higher temps without degrading. Cold temperatures usually don’t cause lasting damage, but extremely low temps can make magnets brittle.
If you need magnets for high-heat uses, you can check out high temperature magnets.

How to measure the pull force of a magnet

Pull force is how much weight a magnet can lift directly off a flat steel surface. You can measure it with a spring scale or digital pull force gauge. Always test under standard conditions — flat, clean steel, full surface contact — to get accurate numbers. Manufacturers usually list pull force based on these ideal settings.

Are stronger magnets always better for all applications

Not always. A stronger magnet isn’t the best choice if:

• Your application needs high temperature resistance more than raw strength
• You’re working with electronics — too much magnetic field can cause interference
• You need easy handling — powerful magnets can be dangerous without precautions
• Cost is a factor — high-grade neodymium magnets are more expensive

For example, in wind turbines, magnet choice balances strength, durability, and heat resistance — more on that in magnets in windturbines.