Stainless Steel: Silver to gray in color, heavy, files hard, and sparks orange to red when held to a grinder

Varieties include:

18-8 Series:  This type of stainless does not draw to a magnet. It is typically used in pots and pans, cutlery (knives, forks, and spoons), sinks, appliances, auto parts, and hub caps.

400 Series: This type of stainless steel is magnetic. It sparks red on the grinder. It can also be used in pots and pans, cutlery (knives, forks, and spoons), sinks, appliances, auto parts, and hub caps..