Magnets/

Bar Magnets

Bar magnets are narrow, rectangular pieces of ferromagnetic material or composite that generate a magnetic field. They are permanent magnets, meaning they do not require constant electric current in order to retain their magnetism, and they have a smooth and uniform cross section and surface. They are usually made from iron or steel, but they can also be made from any ferromagnetic substance or composite such as cobalt, nickel, aluminum or clay.

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Master Magnetics, Inc./The Magnet Source™
Castle Rock, CO
800-525-3536
The sizes, materials and shapes that magnetic substances can come in are vast, including rings, blocks, rectangles, disks, arcs, bars and rods. Whether you need a bar magnet, flexible magnet or magnetic device, all of your needs can be met at Master Magnetics, The Magnet Source™. Since 1976, they have been devoted to providing industrial and commercial settings with excellent products.
 
AZ Industries, Inc.
Ash Flat, AR
877-856-3042
Part of what we at AZ Industries do is help our customers understand exactly what the self contained energy phenomenons that they are purchasing are capable of. Working with magnetic substances, such as bar magnets and magnetic devices, we know more about them then the industries that utilize them, and can therefore help ensure our customers receive precisely what they are looking for.
 
Magnetic Hold, Inc.
Wichita, KS
316-207-1895
Providing superior magnetic products like bar magnets, magnetic tubes and C-channel assemblies is our first priority at Magnetic Hold Inc., and customer service is our commitment. With standardized models kept in stock and custom capabilities at our fingertips, our company is built to serve our customers well. We would appreciate a chance to earn your trust and business.
 
BuyMagnets.com
Elk Grove Village, IL
800-232-4359
When you go to the BuyMagnets.com website, we will introduce you to the thousands of magnetic products we carry in stock, such as our bar magnets and plate magnets. But if you don't see what you need, be sure to call for more information. We have access to many more products than we can feature, and also have custom capabilities. We'll be glad to answer your questions.
 
Electron Energy Corporation
Landisville, PA
800-824-2735
Our talented staff of 100, which makes up the Electron Energy Corporation, continually exceeds expectations of customers of the magnetic products we sell, like our exceptional bar magnets. Industrial customers that frequently purchase products and assemblies from us include military and aerospace prime contractors, as well as medical and oil exploration companies.
 
International MagnaProducts, Inc.
Valparaiso, IN
219-465-1998
The Magnets Online division of International MagnaProducts is an excellent resource for companies in a variety of industries who are in need of magnetic materials, products and/or assemblies. It is as easy to maneuver around as it is to have the team at IMP help you find the perfect part for your application, detailed to your every specification. This includes modifying basics like bar magnets.
 
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Industry Information

Bar Magnets

Bar magnets have a south and north pole on each end and are the most common type of magnet shape. The main function of bar magnets is to to pick up small metallic objects like metal shavings or nails and screws, as magnetic stirring rods in laboratory applications, and as magnets on refrigerators. Their most common application is the needle used in compasses. The north pole of the bar magnet aligns with the actual north pole, letting travelers know in what direction they are headed. However, this is not the only application of bar magnets, which are utilized in a wide range of industries and applications including: residential, for applications such as holding up receipts and pictures onto refrigerators; research, in which they are used as stirring rods on laboratory hotplates; and the food industry, utilized in restaurants to hold the cutlery in an organized and safe location.

The magnetic lines of force of a bar magnet form closed, continuous lines on either side of the magnet. They never intersect, and flow from north to south in direction. Each end of the magnet is considered to be a pole, so when cut in half a bar magnet automatically forms into two separate magnets, each with their own poles and magnetic field. The average magnetization magnitude of bar magnets is 100,000 A/m, but this varies based on what type of ferromagnetic material is chosen. In addition, the magnitude of the magnetism relates to how strong and far apart the two poles of the bar magnet are. When using any type of magnet, especially bar magnets that are often found in homes, it is important to keep them away from any sort of electronic device, including speakers, televisions and radios. Irreversible damage can occur to the data storage if it comes in contact with a magnet, even if it has a weak magnetic force. While the most obvious function of a bar magnet is to attract iron or ferromagnetic materials, bar magnets also function to attract or repel other magnetic alloys. These magnetic alloys include nickel, cobalt, some rare Earth metals and their alloys, and some naturally occurring minerals such as lodestone.