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If you should be puzzled because of the readily available grades of Neodymium or curious about exactly how a class is assigned to a specific Neodymium alloy, this post is actually for you.

N35, ND-35, and ND-3512 are typical exactly the same “Grades.” They represent a neo magnet alloy which includes a power Density (optimum Energy Product) of 35 and has an Intrinsic Coercive power of 12 kOe. The 12kOe causes a maximum working heat for magnet of 80°C. (The maximum running Temperature is geometry reliant in addition to 150°C is employed right here for illustrative purposes.)

N45SH, ND-45SH, and ND-4520 are exactly the same class of Neo alloy. This notation signifies a neo magnet alloy which includes a power Density (optimum Energy Product) of 45 and has now an Intrinsic Coercive Force (Hci) of 20 kOe. The 20kOe is indicated in grade notation by the “SH” suffix and leads to a maximum running temperature for the magnet of 150°C. (The Maximum Operating Temperature is geometry centered while the 150°C can be used here for illustrative functions.)

Neo Level Explanation
As described above, a Neodymium magnet’s “Grade” hails from the Energy Density (optimum Energy Product) and some indicator for the Neodymium alloy’s capability to run at increased temperatures. Knowing the level is certainly not adequate to predict a magnet alloy’s performance in an application. The Neo magnet’s grade may also have other faculties that are always judge the magnet’s overall performance in a software. Unless the applying are at ambient room-temperature, the magnet features a Magnetic Length / Diameter ratio > 0.7, and there is no exterior demagnetizing industries, a performance analysis should always be executed. Please engage a Dura application representative for support when choosing a Neo class for the application.

Related Pages and TechTalk Articles for More Info:
Why Magnets Lose power: the results of amount reduction, Geometry, Elevated Temperature, and Demagnetization from exterior Fields
Ramifications of temperature on Neodymium Magnets: Reversible vs. Irreversible Field reduction
What exactly is Maximum Energy item / BHmax and How Does It Correspond to Magnet level?
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strong disc Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
strong bar Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
strong bar Here are some of the magnet manufacturers names you should look for:Always read the reviews of the specific magnet before making a purchase to see how others have rated it.

strong cylinder Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
strong cylinder Neodymium ions in various types of ionic crystals, and also in glasses, act as a laser gain medium, typically emitting 1064 nm light from a particular atomic transition in the neodymium ion, after being “pumped” into excitation from an external source
strong Ring Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
strong Ring modeling on how density, temperature, and pressure interact inside warheads. HELEN can create plasmas of around 106 K, from which opacity and transmission of radiation are measured.
strong Disc Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
strong Disc There are a few big players to look out for when buying your magnets for magnet fishing.Here are some of the magnet manufacturers names you should look for:
strong Cube Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
strong Cube Neodymium glass (Nd:glass) is produced by the inclusion of neodymium oxide (Nd2O3) in the glass melt. Usually in daylight or incandescent light
strong block Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
strong block Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
strong Sphere Magnet Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.powerful disc Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
powerful disc Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
powerful bar Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
powerful bar Here are some of the magnet manufacturers names you should look for:Always read the reviews of the specific magnet before making a purchase to see how others have rated it.

powerful cylinder Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
powerful cylinder Neodymium ions in various types of ionic crystals, and also in glasses, act as a laser gain medium, typically emitting 1064 nm light from a particular atomic transition in the neodymium ion, after being “pumped” into excitation from an external source
powerful Ring Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
powerful Ring modeling on how density, temperature, and pressure interact inside warheads. HELEN can create plasmas of around 106 K, from which opacity and transmission of radiation are measured.
powerful Disc Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
powerful Disc There are a few big players to look out for when buying your magnets for magnet fishing.Here are some of the magnet manufacturers names you should look for:
powerful Cube Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
powerful Cube Neodymium glass (Nd:glass) is produced by the inclusion of neodymium oxide (Nd2O3) in the glass melt. Usually in daylight or incandescent light
powerful block Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
powerful block Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
powerful Sphere Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
powerful Sphere Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
powerful Ball Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
powerful Ball Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away. Large disc Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Large disc Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Large bar Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Large bar Here are some of the magnet manufacturers names you should look for:Always read the reviews of the specific magnet before making a purchase to see how others have rated it.

Large cylinder Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Large cylinder Neodymium ions in various types of ionic crystals, and also in glasses, act as a laser gain medium, typically emitting 1064 nm light from a particular atomic transition in the neodymium ion, after being “pumped” into excitation from an external source
Large Ring Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Large Ring modeling on how density, temperature, and pressure interact inside warheads. HELEN can create plasmas of around 106 K, from which opacity and transmission of radiation are measured.
Large Disc Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Large Disc There are a few big players to look out for when buying your magnets for magnet fishing.Here are some of the magnet manufacturers names you should look for:
Large Cube Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Large Cube Neodymium glass (Nd:glass) is produced by the inclusion of neodymium oxide (Nd2O3) in the glass melt. Usually in daylight or incandescent light
Large block Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Large block Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Large Sphere Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Large Sphere Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Large Ball Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Large Ball Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.Small disc Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Small disc Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Small bar Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Small bar Here are some of the magnet manufacturers names you should look for:Always read the reviews of the specific magnet before making a purchase to see how others have rated it.

Small cylinder Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Small cylinder Neodymium ions in various types of ionic crystals, and also in glasses, act as a laser gain medium, typically emitting 1064 nm light from a particular atomic transition in the neodymium ion, after being “pumped” into excitation from an external source
Small Ring Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Small Ring modeling on how density, temperature, and pressure interact inside warheads. HELEN can create plasmas of around 106 K, from which opacity and transmission of radiation are measured.
Small Disc Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Small Disc There are a few big players to look out for when buying your magnets for magnet fishing.Here are some of the magnet manufacturers names you should look for:
Small Cube Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Small Cube Neodymium glass (Nd:glass) is produced by the inclusion of neodymium oxide (Nd2O3) in the glass melt. Usually in daylight or incandescent light
Small block Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Small block Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Small Sphere Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Small Sphere Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Small Ball Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Small Ball Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.Small disc Magnet Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Small disc Magnets Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Small bar Magnet Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Small bar Magnets Here are some of the magnet manufacturers names you should look for:Always read the reviews of the specific magnet before making a purchase to see how others have rated it.

Small cylinder Magnet Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Small cylinder Magnets Neodymium ions in various types of ionic crystals, and also in glasses, act as a laser gain medium, typically emitting 1064 nm light from a particular atomic transition in the neodymium ion, after being “pumped” into excitation from an external source
Small Ring Magnet Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Small Ring Magnets modeling on how density, temperature, and pressure interact inside warheads. HELEN can create plasmas of around 106 K, from which opacity and transmission of radiation are measured.
Small Disc Magnet Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Small Disc Magnets There are a few big players to look out for when buying your magnets for magnet fishing.Here are some of the magnet manufacturers names you should look for:
Small Cube Magnet Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Small Cube Magnets Neodymium glass (Nd:glass) is produced by the inclusion of neodymium oxide (Nd2O3) in the glass melt. Usually in daylight or incandescent light
Small block Magnet Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Small block Magnets Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Small Sphere Magnet Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.Neodymium disc Magnet Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Neodymium disc Magnets Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Neodymium bar Magnet Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Neodymium bar Magnets Here are some of the magnet manufacturers names you should look for:Always read the reviews of the specific magnet before making a purchase to see how others have rated it.

Neodymium cylinder Magnet Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Neodymium cylinder Magnets Neodymium ions in various types of ionic crystals, and also in glasses, act as a laser gain medium, typically emitting 1064 nm light from a particular atomic transition in the neodymium ion, after being “pumped” into excitation from an external source
Neodymium Ring Magnet Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Neodymium Ring Magnets modeling on how density, temperature, and pressure interact inside warheads. HELEN can create plasmas of around 106 K, from which opacity and transmission of radiation are measured.
Neodymium Disc Magnet Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Neodymium Disc Magnets There are a few big players to look out for when buying your magnets for magnet fishing.Here are some of the magnet manufacturers names you should look for:
Neodymium Cube Magnet Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Neodymium Cube Magnets Neodymium glass (Nd:glass) is produced by the inclusion of neodymium oxide (Nd2O3) in the glass melt. Usually in daylight or incandescent light
Neodymium block Magnet Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Neodymium block Magnets Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Neodymium Sphere Magnet Neodymium magnets (actually an alloy, Nd2Fe14B) are the strongest permanent magnets known. A neodymium magnet of a few grams can lift a thousand times its own weight. These magnets are cheaper, lighter, and stronger than samarium–cobalt magnets.
Neodymium Sphere Magnets Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Neodymium Ball Magnet Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Neodymium Ball Magnets Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
Small Sphere Magnets Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
Small Ball Magnet Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
Small Ball Magnets Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.
strong Sphere Magnets Before you go out to your local hardware store or shop online and buy a magnet you need to know just a little bit more information to ensure you get the best magnet.
strong Ball Magnet Certain transparent materials with a small concentration of neodymium ions can be used in lasers as gain media for infrared wavelengths (1054–1064 nm), e.g. Nd:YAG
strong Ball Magnets Some people may suggest a ferrite magnet, and while these cost a lot less they are far more brittle and will not last you as long. Many people who I have spoken to, that have tried ferrite, said the magnet smashed or lost power straight away.

As a number one supplier of inexpensive, superior neodymium (NdFeB) magnets, we’re happy to serve tens-of-thousands of retail and wholesale customers wordwide: ranging from hobbyists to large-scale makers, and Fortune 500 companies to celebrated universities. So no real matter what your work needs – why don’t we assist you in finding just the right magnet to meet your needs.

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