Steel is not about to disappear anytime soon as the dominant material used in the home appliance industry. Unlike automakers, which are turning to aluminum, carbon-fiber composites, magnesium, plastic and other lightweight materials, steel still rules in the world of refrigerators, dishwashers and dryers.
It’s difficult for upstart materials to compete with sheet metal on cost, strength and appearance in large parts, such as cabinets, tops and bases.