Tantalum Coating

Tantalum Coating involves applying a thin, protective layer of Tantalum (Ta) metal to the surface of fasteners and critical components, acting as an exceptional corrosion barrier. Zeron Fastners offers this specialized coating, which provides a chemically inert surface, virtually immune to attack by aggressive media such as hot concentrated sulfuric, hydrochloric, or nitric acids. This coating is superior to most passive alloys in reducing and oxidizing acid mixtures. The primary application of these Tantalum Coatings is on specialized bolts, nuts, washers, and vessel interiors in pharmaceutical and chemical process industries requiring absolute purity and corrosion protection.

Related Products

Tantalum Coating

Tantalum Coating Process and Properties

Process Characteristic
Deposition Method Usually PVD or Cladding
Thickness (typ.) Micrometer to Millimeter range
Corrosion Resistance Near-Zero Corrosion Rate in Non-HF Acids
Substrates Steel, Nickel Alloys, Glass-Lined Steel

Tantalum Coating Service Limitations

Medium Effect
Hydrofluoric Acid (HF) Rapid Attack (Not Suitable)
Hot Alkalis Subject to Attack
Oxygen at High Temp. Oxidizes above 300 °C (Needs Protection)

Tantalum Coating Featured Products