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Over the years, we’ve had a few people contact us in regards to our stainless steel casters. “Hey!” They say, “You’ve sent me the wrong casters. These are supposed to be stainless steel, but they’re magnetic.” We understand the concern, but have no fear… magnetism and stainless steel are not mutually exclusive. For example, stainless steel kitchen knives are often magnetic.
There are various types of stainless steel with a range of magnetic properties based on the atomic structure of the steel. Without getting too complicated, chromium content is what gives the steel its stainless properties. Sometimes, other materials are added to give specific attributes to the steel such as malleability or hardness. One such added material is nickel, which when combined with the steel creates the non-magnetism.
Our most commonly sold stainless steel casters are made with ferritic stainless steel, and they are magnetic. Some applications, such as MRI machines or special lab equipment, must have non-magnetic steel. If this is the case for your application, please give us a call at 1-800-215-8220 to discuss more options.
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