{"id":2012,"date":"2025-08-26T05:04:24","date_gmt":"2025-08-26T05:04:24","guid":{"rendered":"https:\/\/nbaem.com\/?p=2012"},"modified":"2025-08-26T05:25:23","modified_gmt":"2025-08-26T05:25:23","slug":"list-of-magnets-by-strength","status":"publish","type":"post","link":"https:\/\/nbaem.com\/nl_be\/list-of-magnets-by-strength\/","title":{"rendered":"List of Magnets by Strength and Types for Buyers"},"content":{"rendered":"<h2>Understanding Magnetic Strength Key Concepts<\/h2>\n<p>When we talk about <strong>magnetic strength<\/strong>, we\u2019re essentially describing how powerful a magnet\u2019s field is and how much force it can exert. In simple terms, it\u2019s the magnet\u2019s ability to attract and hold onto ferrous materials. This strength is usually described using two main measurements:<\/p>\n<ul>\n<li><strong>Magnetic Flux Density (Gauss or Tesla)<\/strong> \u2013 Measures the density of magnetic field lines passing through a material.<\/li>\n<li><strong>Pull Force (Newtons or pounds)<\/strong> \u2013 Indicates how much physical force is needed to detach a magnet from a steel surface.<\/li>\n<\/ul>\n<p>For example, a neodymium magnet with a flux density of 1.4 Tesla can generate strong attractive force even if it\u2019s physically small.<\/p>\n<p><strong>Factors that influence a magnet\u2019s strength include:<\/strong><\/p>\n<ul>\n<li><strong>Material Type<\/strong> \u2013 Permanent magnets like neodymium (NdFeB), samarium cobalt (SmCo), alnico, and ceramic (ferrite) differ in maximum achievable strength.<\/li>\n<li><strong>Magnet Grade<\/strong> \u2013 Common neodymium grades range from <strong>N35 to N54<\/strong>; the higher the number, the stronger the magnet for a given size.<\/li>\n<li><strong>Size and Shape<\/strong> \u2013 Larger surface area or certain shapes (like blocks or discs) can focus magnetic force more effectively.<\/li>\n<li><strong>Temperature Resistance<\/strong> \u2013 Some magnets lose strength when exposed to high heat; specialized grades maintain performance up to 300\u00b0C.<\/li>\n<\/ul>\n<p><strong>Magnet grades<\/strong> are a shorthand for their maximum energy product, measured in <strong>Mega Gauss Oersted (MGOe)<\/strong>. For example:<\/p>\n<ul>\n<li><strong>N35<\/strong> \u2013 Good general-purpose strength<\/li>\n<li><strong>N42<\/strong> \u2013 Higher pull force for similar size<\/li>\n<li><strong>N52<\/strong> \u2013 Near the top of commercially available neodymium strength<\/li>\n<\/ul>\n<p>Understanding these concepts is key before comparing magnets, as strength isn\u2019t just about raw power \u2014 it\u2019s about matching the right magnet to the application.<\/p>\n<h2>Types of Magnets Ranked by Strength<\/h2>\n<p>When we talk about magnetic strength, we\u2019re usually comparing <strong>permanent magnets<\/strong> since they hold their magnetism over time without an external power source. Here\u2019s how the most common types stack up in strength and use.<\/p>\n<h3>Neodymium Magnets (NdFeB)<\/h3>\n<p>These <strong>rare earth magnets<\/strong> are the strongest commercially available option. Grades like <strong>N52<\/strong> can produce an incredibly high pull force for their size, making them popular in industries from motors and tools to magnetic clasps. They\u2019re powerful but can lose strength at high temperatures, so heat resistance is something to check before use. <span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/nl_be\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener\">Learn more about neodymium magnets here<\/a><\/strong><\/span>.<\/p>\n<h3>Samarium Cobalt (SmCo) Magnets<\/h3>\n<p>SmCo magnets are also rare earth types, slightly weaker than neodymium, but with much better <strong>temperature resistance<\/strong> and corrosion resistance. You\u2019ll often see them in aerospace, defense, and high-heat equipment where stability is more important than maximum strength.<\/p>\n<h3>Alnico Magnets<\/h3>\n<p>Made from aluminum, nickel, and cobalt, Alnico magnets aren\u2019t as strong as rare earth options, but they handle extreme temperatures very well. They\u2019re common in <strong>instruments, sensors, and electric motors<\/strong>.<\/p>\n<h3>Ceramic or Ferrite Magnets<\/h3>\n<p>These are affordable, corrosion-resistant magnets made from iron oxide and strontium or barium. They\u2019re weaker than Alnico but perfect for applications where cost and size matter more than top-tier strength\u2014like speakers, fridge magnets, and magnetic signage.<\/p>\n<h3>Temporary Magnets and Electromagnets<\/h3>\n<p>Temporary magnets only hold magnetism when near a strong magnetic field. Electromagnets use an electric current to create a magnetic field and can be turned on or off. These are often left out of static strength rankings because their strength depends on <strong>external power<\/strong>, but they\u2019re very relevant for industrial and lifting applications.<\/p>\n<h2>Comprehensive List Magnets by Strength<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/Magnet_strength_comparison_table_CCsswZnxj.webp\" alt=\"Magnet strength comparison table\" \/><\/p>\n<p>Here\u2019s a quick comparison of the most common magnet types and grades you\u2019ll find in the U.S. market. This list makes it easier to match a magnet\u2019s strength, size, and temperature rating to your specific job or product use.<\/p>\n<table>\n<thead>\n<tr>\n<th>Magnet Type<\/th>\n<th>Grade<\/th>\n<th>Max Energy Product (MGOe)<\/th>\n<th>Typical Pull Force* (N)<\/th>\n<th>Max Operating Temp (\u00b0F)<\/th>\n<th>Common Uses<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Neodymium (NdFeB)<\/strong><\/td>\n<td>N35<\/td>\n<td>35<\/td>\n<td>~100\u2013120<\/td>\n<td>176<\/td>\n<td>Consumer electronics, tools, magnetic hooks<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>N42<\/td>\n<td>42<\/td>\n<td>~130\u2013160<\/td>\n<td>176<\/td>\n<td>Motors, audio devices, crafts<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>N52<\/td>\n<td>52<\/td>\n<td>~180\u2013200<\/td>\n<td>176<\/td>\n<td>Hobby projects, magnetic clamps<\/td>\n<\/tr>\n<tr>\n<td><strong>Samarium Cobalt (SmCo)<\/strong><\/td>\n<td>2:17<\/td>\n<td>26\u201333<\/td>\n<td>~80\u2013120<\/td>\n<td>572<\/td>\n<td>Aerospace, high-temp motors<\/td>\n<\/tr>\n<tr>\n<td><strong>Alnico<\/strong><\/td>\n<td>5<\/td>\n<td>5\u20139<\/td>\n<td>~20\u201340<\/td>\n<td>1000+<\/td>\n<td>Sensors, guitar pickups, instruments<\/td>\n<\/tr>\n<tr>\n<td><strong>Ceramic (Ferrite)<\/strong><\/td>\n<td>C8<\/td>\n<td>3\u20134<\/td>\n<td>~10\u201330<\/td>\n<td>482<\/td>\n<td>Speakers, refrigerator magnets, signage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Notes:<\/strong><\/p>\n<ul>\n<li>*Pull force values shown are based on a 1&#8243; diameter, 1\/4&#8243; thick disc touching a flat steel surface.<\/li>\n<li>\u201cMax energy product\u201d (MGOe) is a way to rate the raw magnetic strength of the material.<\/li>\n<li>Stronger magnets like high-grade neodymium offer more force in smaller sizes, but often have lower temperature tolerance compared to SmCo or Alnico.<\/li>\n<\/ul>\n<h2>How to Choose the Right Magnet Based on Strength and Application<\/h2>\n<p>Choosing the right magnet isn\u2019t just about picking the strongest one you can find. You need to think about <strong>pull force, size, shape, temperature resistance, and material type<\/strong> to match your exact application. Here\u2019s a quick breakdown to make that choice easier.<\/p>\n<h3>Understand Your Project Needs<\/h3>\n<ul>\n<li><strong>Pull Force vs. Size<\/strong> \u2013 If your design has limited space, you may need a stronger magnet like a neodymium grade N52 even in a small size.<\/li>\n<li><strong>Temperature<\/strong> \u2013 High heat can weaken magnetic strength. For applications like motors or generators, <strong>Samarium Cobalt<\/strong> is better at high temps than most neodymium types (<strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/nl_be\/which-magnets-can-withstand-high-temperatures\/\" target=\"_blank\" rel=\"noopener\">see high-temperature magnet guide<\/a><\/span><\/strong>).<\/li>\n<li><strong>Durability<\/strong> \u2013 Outdoor or wet environments often need magnets with strong coatings or rust resistance.<\/li>\n<\/ul>\n<h3>Match Material and Grade to Application<\/h3>\n<table>\n<thead>\n<tr>\n<th>Application Type<\/th>\n<th>Recommended Material<\/th>\n<th>Strength Level<\/th>\n<th>Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Heavy Industrial<\/strong><\/td>\n<td>Neodymium N50\u2013N54<\/td>\n<td>Very High<\/td>\n<td>Compact, powerful, ideal for limited spaces<\/td>\n<\/tr>\n<tr>\n<td><strong>High Temp Equipment<\/strong><\/td>\n<td>Samarium Cobalt (SmCo)<\/td>\n<td>High<\/td>\n<td>Handles up to ~350\u00b0C<\/td>\n<\/tr>\n<tr>\n<td><strong>Everyday Household<\/strong><\/td>\n<td>Ceramic Ferrite<\/td>\n<td>Medium<\/td>\n<td>Affordable, corrosion-resistant<\/td>\n<\/tr>\n<tr>\n<td><strong>Hobby\/DIY<\/strong><\/td>\n<td>Alnico or Small Neodymium<\/td>\n<td>Medium\u2013High<\/td>\n<td>Easy to work with, customizable shapes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Factor In Cost<\/h3>\n<ul>\n<li>Higher grades like <strong>N54<\/strong> or custom-shaped magnets cost more.<\/li>\n<li>SmCo is pricier than neodymium but can be the right investment for high-temp jobs.<\/li>\n<li>Ferrite magnets are the most budget-friendly but much weaker.<\/li>\n<\/ul>\n<h3>Safety Tips for Strong Magnets<\/h3>\n<ul>\n<li>Keep <strong>fingers clear<\/strong> when magnets snap together to avoid pinching injuries.<\/li>\n<li>Store away from electronics and pacemakers.<\/li>\n<li>Wear gloves and eye protection when handling large neodymium magnets.<\/li>\n<li>Use spacers to separate large magnets during shipping or storage.<\/li>\n<\/ul>\n<p>If you\u2019re comparing <strong>neodymium vs ceramic magnets<\/strong>, check this <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/nl_be\/neodymium-magnets-vs-ceramic-magnets\/\" target=\"_blank\" rel=\"noopener\">magnet comparison guide<\/a><\/span><\/strong> for more detail on their strengths and best uses.<\/p>\n<h2>NBAEMs Magnet Solutions Quality and Strength You Can Trust<\/h2>\n<p>At NBAEM, magnetic strength isn\u2019t just a spec on paper\u2014it\u2019s built into every product we manufacture. We offer a full range of magnets, from high-grade <strong>neodymium<\/strong> options (up to N54 for maximum pull force) to reliable <strong>ferrite<\/strong> and <strong>samarium cobalt<\/strong> magnets for high-heat environments. Our products cover small hobby use all the way to heavy-duty industrial applications where performance can\u2019t fail.<\/p>\n<h3>Why Choose NBAEM<\/h3>\n<ul>\n<li><strong>Quality Certifications<\/strong> \u2013 ISO-certified production ensures consistent strength, precision, and durability.<\/li>\n<li><strong>In-House R&amp;D<\/strong> \u2013 Our engineering team develops custom magnet grades and coatings to meet specialized needs.<\/li>\n<li><strong>Custom Manufacturing<\/strong> \u2013 We design magnets to exact shapes, pull force targets, and operating environments.<\/li>\n<\/ul>\n<h3>Examples of Strength-Critical Applications<\/h3>\n<ul>\n<li><strong>Wind Turbines<\/strong> \u2013 High-energy neodymium magnets for efficiency in large-scale renewable energy systems.<\/li>\n<li><strong>Medical Devices<\/strong> \u2013 Precision magnets designed for safe, reliable performance.<\/li>\n<li><strong>Automotive Motors<\/strong> \u2013 Heat-resistant samarium cobalt magnets for electric and hybrid vehicles.<\/li>\n<li><strong>Industrial Lifting Equipment<\/strong> \u2013 Extra-strong magnets to handle heavy loads safely and repeatedly.<\/li>\n<\/ul>\n<p>Whether you need small precision magnets or the strongest industrial-grade options on the market, NBAEM delivers <strong>strength, reliability, and performance you can measure<\/strong>.<\/p>\n<h2>FAQs About Magnet Strength<\/h2>\n<h3>Why do different magnets have different strengths<\/h3>\n<p>Magnet strength mainly comes down to <strong>material type<\/strong>, <strong>grade<\/strong>, and <strong>size<\/strong>. Neodymium magnets are generally the strongest permanent magnets, while ceramic (ferrite) magnets are weaker but more affordable. The <strong>grade<\/strong> (like N35, N52) also plays a big role \u2014 higher grades pack more magnetic energy in the same size. Shape and how the magnet is magnetized also affect overall strength.<\/p>\n<h3>Can magnet strength be affected by temperature<\/h3>\n<p>Yes. High heat can cause magnets to lose strength \u2014 sometimes permanently. Each magnet type has a <strong>maximum operating temperature<\/strong>. For example, standard neodymium magnets start losing performance around 176\u00b0F, while <strong>samarium cobalt<\/strong> can handle much higher temps without degrading. Cold temperatures usually don\u2019t cause lasting damage, but extremely low temps can make magnets brittle.<br \/>\nIf you need magnets for high-heat uses, you can check out <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/nl_be\/high-temperature-magnets\/\" target=\"_blank\" rel=\"noopener\">high temperature magnets<\/a>.<\/span><\/strong><\/p>\n<h3>How to measure the pull force of a magnet<\/h3>\n<p>Pull force is how much weight a magnet can lift directly off a flat steel surface. You can measure it with a <strong>spring scale<\/strong> or <strong>digital pull force gauge<\/strong>. Always test under standard conditions \u2014 flat, clean steel, full surface contact \u2014 to get accurate numbers. Manufacturers usually list pull force based on these ideal settings.<\/p>\n<h3>Are stronger magnets always better for all applications<\/h3>\n<p>Not always. A stronger magnet isn\u2019t the best choice if:<\/p>\n<ul>\n<li>Your application needs <strong>high temperature resistance<\/strong> more than raw strength<\/li>\n<li>You\u2019re working with <strong>electronics<\/strong> \u2014 too much magnetic field can cause interference<\/li>\n<li>You need easy handling \u2014 powerful magnets can be dangerous without precautions<\/li>\n<li>Cost is a factor \u2014 high-grade neodymium magnets are more expensive<\/li>\n<\/ul>\n<p>For example, in wind turbines, magnet choice balances <strong>strength, durability, and heat resistance<\/strong> \u2014 more on that in <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/nl_be\/magnets-in-wind-turbines\/\" target=\"_blank\" rel=\"noopener\">magnets in wind turbines<\/a>.<\/span><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Comprehensive list of magnets by strength with types grades pull force and uses to help you choose the right magnetic material<\/p>","protected":false},"author":1,"featured_media":2011,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/List_of_Magnets_by_Strength_xG0OzQwAh.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/posts\/2012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/comments?post=2012"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/posts\/2012\/revisions"}],"predecessor-version":[{"id":2021,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/posts\/2012\/revisions\/2021"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/media\/2011"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/media?parent=2012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/categories?post=2012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/tags?post=2012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}