ASTM F86 Electropolishing Standard for Surgical Implants

The standards set by the American Society for Testing and Materials (ASTM) ensure the high quality of various metal finishing services. At Able Electropolishing, we meet the ASTM F86 standard for the surface preparation and marking of metallic surgical implants. This includes the electropolishing of titanium, Nitinol and other metals used for surgical implants, eliminating surface contaminants and increasing corrosion resistance.

What Is ASTM F86 Electropolishing?

The ASTM F86 standard applies to metal finishing services like ours that treat surgical implants. Metal surgical implants must be highly corrosion resistant before use, as well as free of surface contaminants and imperfections left behind by various machining processes.

Our process for electropolishing titanium and other alloys enables us to treat a wide variety of surgical implants while meeting the high standards of the ASTM. Removing surface contaminants like free iron as well as surface imperfections makes surgical implants biocompatible and safe.

Meeting ASTM F86

Surface imperfections and embedded contaminants are initiation sites for corrosion, which compromises the quality of parts intended for use as surgical implants. Our electropolishing process removes those surface contaminants and levels out surface imperfections with a uniform microfinish, allowing us to significantly improve a part’s corrosion resistance. Only metal finishing services like ours are eligible for meeting the standards of the ASTM, which are particularly critical for surgical implants.

Electropolishing vs. Passivation

Electropolishing Before & After

Passivation is useful for removing free iron and contaminants from stainless steel and for applications where maintaining part dimensions and physical properties is critical.

When a higher level of corrosion resistance and the removal of surface defects like burrs and microcracks is needed, electropolishing can be a better option.

Electropolishing removes a microscopically precise layer of surface material,  controlling removal as close as +/-.0001″, depending on the alloy. This degree of precision and consistency, along with the ability to remove a variety of surface imperfections in one process, is why electropolishing is so often specified for critical parts used in the medical field, aerospace, pharmaceutical,  and  other industries. Electropolishing is a one-stop process for a micro-smooth, ultraclean, corrosion and pathogen-resistant surface finish – with 30 times more corrosion resistance than passivation.

Electropolishing often times can eliminate the need for additional metal finishing processes like hand deburring, tumbling, pickling, and cleaning. Learn more about passivation vs. electropolishing.

Contact us to learn more about electropolishing

Learn About the Electropolishing Difference


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Electropolishing 101
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Medical Device Manufacturing

Medical Device Manufacturing

From implantable devices to surgical instruments, electropolishing is a single-process treatment that results in biocompatible, safe and ultra clean parts.

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Aerospace

Aerospace

We offer aerospace vendors and original equipment manufacturers our signature metal finishing services to increase fatigue-resistance for their metal parts, rendering them capable of withstanding the stress and corrosion that comes with long-term use.

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Pharmaceutical

Pharmaceutical

Our strict adherence to industry standards ensures that pharmaceutical components are electropolished in accordance with ASTM B912 and ASME BPE specifications. These products are clean and smooth, corrosion resistant and contaminant free.

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Automotive

Automotive

Corrosion resistance and microfinish improvement are essential for critical automotive parts, making electropolishing an increasingly beneficial option for automakers.

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Consumer Appliance

Consumer Appliance

Our metal finishing services help increase corrosion resistance for these parts, and by removing the outermost layer of metal withelectropolishing the durability and longevity of these appliance components is increased.

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Food & Beverage

Food & Beverage

Electropolishing materials for this industry eliminates the buildup of bacterial biofilms, as well as keeping the equipment free of contaminants like Salmonella. Electropolishing delivers the level of sanitation required by a number of regulatory agencies.

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Hydraulics & Pneumatics

Hydraulics & Pneumatics

From robotics to mobile equipment, the uses of electropolishing in the hydraulics and pneumatics industry are many. By helping prevent premature part failure, electropolishing reduces downtime and increases the life cycle of these components.

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Electronics

Electronics

Improving conductivity and performance is just one benefit electropolishing offers for electronics parts. The surface finish is improved by as much as 50%, removing imperfections from the material without material removal.

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