Tantalum Coated Nuts

Tantalum Coated Nuts are engineered to provide maximum resistance against extreme chemical corrosion and acidic attack, often paired with Tantalum coated or solid Tantalum bolts. The pure Tantalum layer, applied to a high-strength substrate (like alloy steel), creates an inert surface that is virtually impervious to almost all common acids, including hydrofluoric and fuming nitric acids, at various temperatures. This specialization makes these corrosion proof nuts vital for securing critical connections in heat exchangers, reactors, and pipelines within the chemical industry. Zeron Fastners is a leading supplier and manufacturer in India, offering these specialized acid resistant nuts to ensure the longevity and safety of systems operating in hostile chemical environments.

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Tantalum Coating Nut 337

Tantalum Coated Nuts Coating Composition

Element Coating Composition
Tantalum (Ta) 99.95 minimum
Niobium (Nb) 0.01 maximum
Oxygen (O) 0.015 maximum
Carbon (C) 0.01 maximum
Nickel (Ni) Trace maximum
Other Impurities 0.015 maximum

Tantalum Coated Nuts Mechanical Properties

Property Value
Coating Thickness (Avg.) 20 - 50 ยตm
Proof Load Stress (min.) 830 MPa
Hardness (HB) 248 - 302 HB
Max Operating Temperature (Coating) 200ยฐC
Galling Resistance Improved

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