Below is a list of Nickel Alloys manufacturers from Wallingford, Connecticut. Nickel alloys are metal alloys in which nickel has the highest percentage of any other element used in its composition. Nickel is an incredibly common alloying element since it is both highly versatile and able to alloy with almost any metal. As a whole, nickel-based alloys offer heat-resistance as well as high corrosion-resistance against a broad spectrum of corrosive media such as chemical, alkalis, petroleum and seawater.