Stainless Steel resists rust and corrosion and is commonly used in outdoor situations and  for hygenic reasons:

• Appliances - Toasters, Microwaves
• Bench & Counter Tops
• Cable & Wiring
• Cutlery
• Food preparation utensils
• Marine fittings
• Pipe & Tubing
• Plate & Sheeting
• Sinks 
• Tanks
• Valves & Fittings
• Washroom Equipment etc...