Technical Datasheets for Nickel Alloy [view all] Nickel Alloy Alloy 625 Alloy 625 is a Nickel-Chromium based alloy with Min 58% Nickel. AMS 5662 - Alloy 718 Alloy 718 is a Nickel-Chromium based Superalloy AMS 5663 - Alloy 718 Alloy 718 is a Nickel-Chromium based Superalloy Nickel Alloy - General Information Aerospace Nickel Alloys A guide listing UK and US Nickel Aerospace Alloy Specifications