Electropolishing
Electropolishing is an electrochemical finishing process that smooths and refines the surface of metal parts by removing a controlled microscopic layer of material. It improves corrosion resistance, enhances cleanability, eliminates surface imperfections, and produces a bright, uniform finish — all without mechanical abrasion. Electropolishing is widely used in industries like medical devices, aerospace, semiconductor, and high-precision manufacturing where surface quality and reliability are critical.
NEE’s Stainless Steel Electropolishing Services
New England Electropolishing is one of the nation’s leading electropolishers, delivering precision surface finishing services to manufacturers across a wide range of industries. Their electropolishing capabilities are structured to support virtually any stainless steel product type, with services typically falling into three core categories: small precision parts, large vessels and assemblies, and bulk electropolishing of high volume parts.
Small Parts
All the way back to 1985, NEE has been the company people turn to for the finishing of small components and precision…
Large Vessels
NEE has the capacity to electropolish and passivate your large vessel fabrications up to 8’ long by 4’ in diameter…
"The secret to our success is two-fold. We do one thing and we do it well. The other is that we're united around one simple goal: to exceed your expectations."
Amy A. PrigmoreCEO
Industries we Serve
Medical & Life Sciences
Electropolishing improves biocompatibility, cleanability, and micro-deburring for surgical instruments, implants, and laboratory equipment where hygiene and precision are essential.
Aerospace & Defense
Components exposed to extreme temperatures, vibration, and corrosive environments benefit from smoother, more uniform surfaces that enhance durability and reduce fatigue risk.
Semiconductor & Electronics
Ultra-clean finishes and contaminant-free surfaces are critical for sensitive electronic and semiconductor equipment where even microscopic particles can impact performance.
Pharmaceutical & Biotechnology
High-purity process equipment, tanks, and fluid handling systems rely on electropolishing to maintain sanitary conditions and resist chemical corrosion.
Food & Beverage Processing
Smooth, polished stainless steel surfaces help prevent bacterial buildup, improve clean-in-place efficiency, and extend equipment lifespan in sanitary production environments.
Industrial Manufacturing
From precision machined parts to large vessels and assemblies, electropolishing enhances corrosion resistance and improves overall surface performance across a wide range of applications.
Electropolishing Resources
What is Electropolishing?
Electropolishing is an electrochemical and reverse plating process that removes the outer layer of skin on a metal...
The Electropolishing Process
The electropolishing process is initiated by immersing a metal part into a temperature-controlled bath of electrolyte...
Benefits of Electropolishing
Curious about the benefits of putting your parts through the electropolishing process? Read along below where we...
How Much Material Does Electropolishing Remove?
Electropolishing, when done properly is a highly controllable process which removes as little as...
How Much Will Electropolishing Improve the Surface Finish of My Part?
Ra and RMS are both representations of surface roughness. Ra is calculated as the roughness average of a surface’s...
Electropolishing Frequently Asked Questions
Learn the difference between electropolishing and electroplating as well as how the electropolishing process works...
What is ASTM B912?
ASTM B912 is an industry standard for the passivation of stainless steel alloys through electropolishing...
What is ASTM A967?
ASTM A967 is an industry standard specification for the chemical passivation treatments for stainless...
What is ISO 13485?
ISO 13485 is a standard that applies specifically to medical devices. ISO 13485 is designed to be...