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Electropolishing Stainless Steel is Applied in Many IndustriesSource: Honkia   Published: 2020-09-16   Views: 267

Electropolishing stainless steel considerably, especially 300 and 400 series stainless steel, improves its corrosion resistance, leaving it with a lasting bright finish. Electropolishing can be performed on all varieties of stainless steel unlike passivation, and gives stainless steel parts of all kinds of corrosion resistance superior to passivation, electropolilshed parts are 30 times more corrosion resistant than the ones passivated.


electropolishing stainless steel


Electropolishing removes a microscopically precise layer of surface material, to the tolerances as low as +/-.0001″, depending on the alloy. This degree of precision and consistency, along with the ability to move a variety of surface imperfections in one process, is why electropolishing is so often specified for critical parts used in medical implants and surgical instruments, aerospace components and fragile or critical parts used in many industries.


Electropolishing is preferred as the final surface finish for many metals because of its surface enhancement, non-contaminating, non-particulating, non-sticking, cosmetic qualities. If the goal is a pleasing cosmetic, high quality electropolishing usually can be judged by visual inspection. To maintain a rigorous quality control procedure, the use of comparative sample coupons (previously electropolished and thoroughly proven with photomicroscopy) is recommended. In addition to being cost-effective and fast turnaround, electropolishing establishes an objective evaluation as well as permanent record for the future reference.


electropolished stainless steel 316 parts


Major benefits of electropolishing stainless steel or other metals continue to be demonstrated in reactor vessels, heat exchangers, blenders, storage tanks, piping and tubing, clean rooms, medical equipments, food and beverage processing equipments, machined parts and nuclear applications. See sections below to find the benefits of electropolishing applications in some industries:


Medical & Dental: electropolishing ensures that medical and dental instruments, as well as, implantable items, are clean, burr-free, corrosion-resistant and safe.


Automotive & Aerospace: electropolishing is used to enhance the mechanical properties for gears, lead screws, injectors and rotors, etc.


Consumer Appliances: metal parts that are used in appliance like refrigerators, ice machines and deep fryers look better and last longer after being electropolished.


Pharmaceutical: electropolishing is utilized for equipments used in manufacturing and dispensing of medications to prevent corrosion and bacteria growth that could lead to contamination.