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Stainless steel 304L
Stainless steel 304 is the most common stainless steel. It is essentially non-magnetic steel and it is less electrically and thermally conductive than carbon steel. It is wildly used because it easily formed in various shapes. It is machinable and weldable. Other names for this steel are: A2 stainless steel, 18/8 stainless steel, UNS S30400, 1.4301. 304L stainless steel is the low carbon version of stainless steel 304.
David Mechanical Engineering Lead at 3D Hubs