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Electropolishing, Passivation and Metal Surface Analytics Blog

When is Stainless Steel Passivation Required?

While stainless steel is known for its corrosion resistance, it contains iron, which is susceptible to corrosion, especially if parts are frequently exposed to moisture or harsh environments. Contamination left behind by machining processes can also impede the corrosion resistance…

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Electropolishing Specialist vs. a Local Metal Finishing Company

Electropolishing is a highly controlled electrochemical process that directly impacts surface integrity, corrosion resistance, cleanliness, and performance.

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Why Electropolishing is the Aerospace Solution for EDM Recast

In aerospace manufacturing, electrical discharge machining (EDM) is often the only practical way to create the intricate shapes, micro-features, and tight-tolerance geometries required in high-performance parts. From fuel-system components to actuator housings, landing-gear hardware, and propulsion assemblies, EDM enables precision…

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Deburring Metal Parts with Precision

Burrs—those unwanted raised edges, micro-protrusions, and sharp fragments left behind after machining, stamping, or laser cutting—are a common challenge in metal manufacturing.

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Frequently Asked Questions

What services does Able Electropolishing provide?

We provide electropolishing, nitric & citric passivation, and vacuum vapor degreasing.

What are the maximum part sizes that can be processed for electropolishing, passivation, and vapor degreasing?

Electropolishing:

  • 300 & 400 series stainless steel: 108” Length x 41” Width x 42” Height
  • Copper, brass, aluminum, steel, and nickel alloys: 72” Length x 14” Width x 17” Height (best results are achieved on parts that are no larger than 12” square)
  • Titanium, Nitinol, tungsten, and niobium, etc. (refractory metals): 26” Length x 8-3/4” Width x 9-3/4” Height

Passivation:

  • Standard nitric acid passivation: 72” Length x 30” Width x 30” Height
  • Nitric acid/sodium dichromate: 20” Length, 20” Width x 20” Height
  • Citric acid: 26” Length x 18” Width x 15” Height

Vapor degrease:

  • Vapor degrease (vacuum): 23” Length x 16” Width x 10” Height

Note: If there is a question regarding our capabilities, please email a print for review to sales@ableelectropolishing.com.

What information do you require in order to receive a quotation?

We need a copy of the drawing, service needed, lot and annual quantities, process specification and packaging requirements.

What is your standard lead-time?

Standard delivery is 3 to 5 working days after receipt of order. Next day and same day services are offered at an additional cost. Please contact our sales department for further details.

What is the difference between passivation and electropolishing?

Passivation is a chemical process designed to remove free iron and other contaminants from the part surface. Electropolishing is an electro-chemical process that removes surface metal which improves micro finish, provides deburring and adds to the aesthetics of your part.