Tantalum Coated Lock Nuts

Tantalum Coated Lock Nuts are high-performance fasteners engineered for critical applications where aggressive corrosion resistance must be combined with joint locking security. A non-porous layer of pure Tantalum is applied to the thread and contact surfaces of a high-strength lock nut substrate, creating an ultimate corrosion proof barrier. This inert Tantalum surface is unaffected by virtually all common industrial acids, making these fasteners indispensable in chemical processing, pharmaceutical, and other highly corrosive environments. Furthermore, the locknut design resists loosening due to vibration or thermal cycling, ensuring reliable joint locking. Zeron Fastners is a leading supplier and manufacturer in India, specializing in these durable, acid resistant locknuts for critical, high-purity assemblies.

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Tantalum Coated Lock Nuts Coating Composition

Element Composition
Tantalum (Ta) 99.95 min
Niobium (Nb) 0.01 max
Oxygen (O) 0.015 max
Carbon (C) 0.01 max
Iron (Fe) Trace max
Other Impurities 0.015 max

Tantalum Coated Lock Nuts Mechanical Properties

Property Value
Coating Thickness (Avg.) 20 - 50 ยตm
Prevailing Torque Varies (Design Dependent)
Max Operating Temperature (Coating) 200ยฐC
Chemical Barrier Supreme
Substrate Grade Example ASTM A194 Gr. 2H equiv

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