Stainless Steel Enclosure Box

Stainless steel enclosure boxes from Steeline Enclosures are NEMA and UL approved.


Steeline Enclosures offers 304 and 316 stainless steel electrical enclosure boxes in pushbutton, wall mount, or freestanding models. Our NEMA approved 4X electrical enclosures provide protection for electrical and electronic instruments, industrial controls and components, for both indoor and weatherproof outdoor requirements. Steeline Enclosures carries slope top stainless steel enclosures designed for washdown applications, and because of our custom modification program, we will be able to design you any stainless steel enclosure box you need for any industry and application, quickly, and efficiently, with the help of our foam-in-place gasket machine.


Stainless steel enclosure boxes from Steeline Enclosures are corrosive-resistant, strong, durable, and are mainly used in the medical field, for food manufacturing applications, and any situation that equipment will be exposed to salt, weather, or dust.

Nema manufactures stainless steel enclosures in both 304 and 316 stainless steel. Steeline Enclosures manufacturers the same, according to NEMA standards. Electrical enclosure boxes made of this type of stainless steel are recognized for being tough, corrosion-resistant, and harness the ability to handle anything that the elements throw at them. Steeline Enclosures can and will build custom-sized stainless steel electrical enclosures, or you can choose a standard size NEMA-rated enclosure, whatever the job calls for.

The below information was taken directly from NEMA’s site:

Stainless Enclosure Manufacturing

Stainless Steel 304 Enclosures (S30400)

Low-carbon modification of type 302 for restriction of carbide precipitation during welding. Chemical and food processing equipment; brewing equipment; cryogenic vessels; gutters; downspouts; flashings.

Stainless Steel 304L Enclosures (S30403)

Extra-low-carbon modification of type 304 for further restriction of carbide precipitation during welding. Coal hopper linings; tanks for liquid fertilizer and tomato paste.

Stainless Steel 316 Enclosures (S31600)

Higher corrosion resistance than types 302 and 304; high creep strength. Chemical and pulp handling equipment; photographic equipment; brandy vats; fertilizer parts; ketchup cooking kettles; yeast tubs.

Stainless Steel 316L Enclosures (S31603)

Extra-low-carbon modification of type 316 Welded construction where intergranular carbide precipitation must be avoided. Type 316 application requiring extensive welding.

Stainless Steel 321 Enclosures (S32100)

Stabilized for weldments subject to severe corrosive conditions, and for service from 800 to 1600 F. Aircraft exhaust manifolds; boiler shells;process equipment; expansion joints; cabin heaters; fire walls; flexible couplings, pressure vessels.