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Passivation is a special cleaning process used on stainless steel parts. It removes tiny bits of iron and other metals left on the surface during manufacturing steps like cutting, stamping, or machining. This helps bring the metal back to its original clean condition and protects it from rust and corrosion.
Passivation works best on stainless steel that has enough chromium and nickel. It not only helps parts last longer, but can also make them look shinier and brighter.
At Able Electropolishing, we’ve been doing passivation since we started in 1954. We offer two types citric and nitric passivation.
Also, when we electropolish a part, it automatically gets passivated too plus some extra benefits. Electropolishing goes a step further by also removing tiny cracks, burrs, and other surface flaws. That’s why many people who ask for passivation end up getting better results with electropolishing.
Passivation is a chemical process that helps stainless steel resist rust and corrosion.
Here’s how it works:
We place your metal parts into a basket and dip them into a special acid bath made from either citric or nitric acid. The time, temperature, and acid strength are carefully chosen based on the type of stainless steel.
This acid bath removes tiny iron particles and other unwanted materials left behind from things like cutting, welding, or stamping. The result? A clean, rust-resistant surface. Passivation doesn’t change how your part looks it just makes it last longer.
Passivation works well for many types of stainless steel, but not all. Some grades don’t have enough nickel or chromium, and trying to passivate them could damage the part. Also, parts that have been welded or brazed don’t respond well to passivation, because it can’t remove the heat marks and scale left behind.
In cases like these, our Brite Passivation process may be a better fit. It uses a light electropolishing step to gently clean and protect your part, often with better results than regular passivation.
Not sure which is right for you? Our team can help. Just send us a message at sales@jagrutimetal.com
If your main goal is to protect your parts from corrosion, passivation is a good starting point but it’s not always enough. Some parts need extra cleaning before they can be passivated.
That’s why electropolishing is often the better choice. It removes all the surface and embedded contaminants in one step and it works on more types of stainless steel than passivation does.
If you’re unsure which process is right for your part, talk to the experts at Able Electropolishing. We’ll help you choose the best method to get the results you need.
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We provide aerospace vendors and OEMs with our signature metal finishing services, enhancing fatigue resistance and ensuring their metal parts withstand long-term stress and corrosion.
We follow industry standards to electropolish pharmaceutical components in compliance with ASTM B912 and ASME BPE, ensuring clean, smooth, corrosion-resistant surfaces free from contaminants.
Corrosion resistance and micro finish improvement are essential for critical automotive parts, making electropolishing an increasingly beneficial option for automakers.
Our metal finishing services enhance corrosion resistance and, through electropolishing, remove the outermost metal layer boosting the durability and lifespan of appliance components.
Electropolishing materials used in this industry help prevent bacterial biofilm buildup and eliminate contaminants like Salmonella. This process ensures the high level of sanitation required by various regulatory agencies.
From robotics to mobile equipment, electropolishing plays a vital role in the hydraulics and pneumatics industry. By preventing premature part failure, it minimizes downtime and extends the lifespan of critical components.
Electropolishing enhances both conductivity and performance in electronic components. It also improves surface finish by up to 50%, eliminating imperfections without compromising the material’s integrity.
