Is stainless steel 304 magnetic?


Quick Answer

Type 304 stainless steel is not magnetic, according to Bosun Supplies Company. This steel, along with other 300-series stainless steel types, is an austenitic stainless steel. Unlike ferritic steels, austenitic steels do not respond to magnetic fields the way metal usually does.

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Full Answer

While any steel must contain 50 percent iron, as noted by The National Board of Boiler and Pressure Vessel Inspectors, the other elements that comprise a particular alloy type can greatly affect its properties. Type 304 steel is non-magnetic due to its relatively high concentration of chromium and nickel and the specific lattice structure of the chemical bonds between those elements.

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