What are tantalum, niobium, zirconium and nickel?

They are four core special industrial metals with unique physical and chemical properties, widely used in harsh industrial environments. Tantalum and niobium belong to refractory rare metals with ultra-high melting points and exceptional resistance to strong acid corrosion. Zirconium features low neutron absorption rate and perfect seawater anti-corrosion performance. Nickel is a versatile transition metal that acts as the fundamental base material for many high-performance alloys. These metals can be supplied as pure metal or customized alloys, processed into plates, bars, tubes, wires and sputtering targets to satisfy extreme service demands that ordinary steel cannot fulfill.