Expanded Aluminum Metal has many advantages over carbon expanded steel and stainless including lighter weight and better corrosion resistance. Expanded Aluminum Metal we offered is further divided into different grades: Expanded Aluminum Metal, Standard Rhombic Shaped Expanded Aluminum Metal, Heavy Type (Tortoise-shaped) Expanded Aluminum Metal, Flattended Type Micron Expanded Metal in Aluminum Foil Expanded Aluminum Metal, Special Types