Chemical properties are very similar to Tantalum. Niobium is used with Iron and other elements in stainless steel alloys.
Niobium is used in super alloys for jet engines and heat resistant equipment.
Chromium- is added to steel to harden it and to form stainless steel, a steel alloy that contains at least 10% chromium. Other chromium-steel alloys are used to make armor plate, safes, ball bearings and cutting tools.
We are buyers and suppliers of Pure Cr targets/ powders/ misc solids/ alloys containing Cr