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Electropolishing, also known as electric or electrochemical polishing, is a surface finishing process used to polish, deburr, and passivate metals likestainless steel ,aluminum , andcopper . It works through anodic dissolution, selectively removing metal ions at a microscopic level to create a smooth, bright, and clean finish. This process is particularly effective for parts with intricate geometries, tight tolerances, and complex internal features, ensuring uniformity and enhanced corrosion resistance. Electropolishing is often the final finishing step after machining, welding, or other manufacturing processes. With the right equipment, electropolishing delivers consistent, repeatable results. It is widely used in industries such asmedical ,aerospace , and food processing, where high-qualitysurface finishes and cleanliness are essential for performance and regulatory compliance.
All metals like (Aluminum, stainless steel etc.), and some plastics.
Significantly reduced, achieving ultra-smooth finishes (Ra < 0.2 µm possible).
Bright, reflective, and clean metallic surface.
Comestic available on requests
Minimal material removal (typically 0.0001" to 0.002").
Smoothens micro-peaks and valleys, creating a uniform surface texture.
6061 T6, 6082, 7075-T6, 5083-H111, 6063, 5052, 2024-T351, 7050, 2017A, 6082-T651, 7075-T651, 2014, 6061-T651, 7075-T7351, 6082-T6, 2014-T6, 6063-T5, 6063-T6, 5083-H32, 5052-H32
A2 Tool steel, D2 Tool steel, A3 Tool Steel, O1 Tool Steel, S7 Tool Steel, H13 Tool Steel
932 Bearing Bronze , 954 Bearing Bronze, 544 Bearing Bronze
Yes, electropolishing is effective for parts with intricate geometries, tight tolerances, and complex internal features, as it provides uniform results without affecting dimensional accuracy.
Electropolishing removes a small amount of material from the surface—typically between 0.0001" and 0.0025"—so it does not significantly alter part dimensions, making it suitable for applications requiring tight tolerances.
Benefits include a smooth, bright, and uniform surface finish, enhanced corrosion resistance, improved cleanliness (making parts easier to clean and sterilize), precise control over surface roughness, minimal dimensional change (suitable for tight-tolerance parts), and relief of residual stresses, reducing the risk of stress corrosion cracking.