Tantalum Coated Washers

Tantalum Coated Washers provide an unparalleled solution for corrosion protection in flange joints and assemblies exposed to nearly all aggressive chemical and acidic media. A layer of pure Tantalum is applied to a high-strength base washer, forming an inert, non-porous barrier that is entirely resistant to chemical attack, even from concentrated acids like hydrochloric and sulfuric acid. This coating allows the washer to combine the mechanical strength of its substrate with the supreme corrosion proof properties of Tantalum, ensuring long-term joint integrity. Zeron Fastners is a leading supplier and manufacturer in India, specializing in these crucial acid resistant washers for chemical processing, pharmaceutical, and other high-purity industries.

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Tantalum Coated Washers 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
Iron (Fe) Trace maximum
Other Impurities 0.015 maximum

Tantalum Coated Washers Mechanical Properties

Property Value (Typical)
Coating Thickness (Average) 20 to 50 micrometers
Compressive Strength Varies (Based on Substrate)
Hardness (HB) Varies (Based on Substrate)
Corrosion Resistance (Coating) Ultimate
Function Corrosion Barrier or Load Distribution

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