NEMA 4X stainless steel enclosures are available in 304 and 316 stainless steel with a smooth brushed finish. The NEMA 4X stainless steel has continuously welded seams ground to a smooth finish. Stainless steel enclosures are designed for use indoors and outdoors to house such items as pilot devices, electronic/electrical controls, instrumentation systems, and pneumatic, hydraulic and machine tool controls.