the most demanding applications. Manufactured with marine grade (316L) stainless, these structural connectors are the most corrosion resistant available for the construction... spray. PowrFab Solid Stainless Steel Brackets have set the new standard of excellence for quality construction. Don't sacrifice the structural integrity of your building. So... application would require stainless joist hangers and framing connectors? Any corrosive atmosphere such as marine/coastal environments, chemical plants, water treatment facilities, ACQ...