08 Jan A Guide to Tri-Chrome Plating
Also known as tri-chrome plating, trivalent chrome plating has become a popular choice for high-performance finishes. It offers impressive corrosion resistance and it’s an environmentally friendly, less toxic alternative to hexavalent chrome that’s just as appealing. Let’s take a closer look at the trivalent chrome plating process, its benefits, and its applications.
What Is Trivalent Chrome Plating?
The trivalent chrome plating process involves applying a thin layer of chromium onto a metal surface. Tri-chrome plating uses chromium in a lower oxidation state (+3) than hexavalent chrome plating (+6), so it is far less toxic. It creates a durable, aesthetically pleasing finish that is significantly safer for workers and for the environment.
Five Reasons to Choose Trivalent Chrome Plating vs. Hexavalent Chrome
1. Worker Safety
Trivalent chrome plating is less dangerous than hexavalent chrome plating, reducing health risks for workers and lowering the costs of implementing additional safety measures.
2. Pleasing Appearance
Tri-chrome plating provides a bright, lustrous finish that closely resembles hexavalent chrome. It’s an ideal choice for applications where appearance matters, such as decorative automotive parts.
3. Corrosion Resistance
Although it is not as resistant to corrosion as hexavalent chrome, trivalent chrome plating can still protect the metal substrate from rust and wear in harsh environments.
4. Lower Cost
Many states have banned or restricted hexavalent chrome due to its toxicity. Transitioning from hexavalent to trivalent chrome can save you money in the long run by avoiding potential fines if you don’t adhere to occupational, environmental, and state guidelines regarding hexavalent chrome.
5. Environmentally Friendliness
Because it produces fewer hazardous byproducts, trivalent chrome plating is less harmful to the environment than hexavalent chrome. The tri-chrome plating process also requires less energy than hexavalent plating.
Tri-Chrome Plating Applications
The combination of durability, aesthetic appeal, and eco-friendliness makes trivalent chrome a popular option for a variety of functional and decorative purposes. Here’s a closer look at how tri-chrome plating is used in several key industries.
Automotive
The automotive industry is one of the largest consumers of chrome plating. Trivalent chrome ensures a sleek, polished look that protects against environmental wear. It’s perfect for finishing more decorative, exterior parts like trim and moldings, wheels, rims, and exhaust systems.
Aerospace
In aerospace manufacturing, durability and corrosion resistance are critical for performance and safety. Tri-chrome plating protects against wear and tear while reducing maintenance requirements. It also provides lightweight, yet durable protection for metal parts exposed to the elements. Trivalent chrome plating can protect landing gear components, hydraulic cylinders, and structural components.
Electronics
The electronics industry uses trivalent chrome plating for its excellent conductivity, durability, and aesthetic finish. Connectors, terminals, housings, and casings can be coated in trivalent chrome to protect them against oxidation and to ensure reliability.
Why Choose Tri-Chrome Plating?
Trivalent chrome plating is an excellent choice for manufacturers looking to balance performance, safety, appearance, and environmental responsibility. When combined with additional protective coatings or finishes, trivalent chrome can achieve superior durability—even in challenging environments. Overall, tri-chrome is a forward-thinking solution that supports sustainable practices without compromising quality or durability.
Trivalent Chrome Plating Services in Phoenix
If you’re interested in trivalent chrome plating, we’re here to answer all of your questions. CRC Surface Technologies in Phoenix can provide trivalent chrome plating tailored to your industry’s specific needs. Our expert team delivers exceptional results, whether you need to upgrade old parts or coat brand-new ones.
Give us a call at 602-253-4175 to learn more about our services, or email rfq@chemresearchco.com to request a quote.
Images used under creative commons license – commercial use (1/8/2025). Photo by Darren Nunis on Unsplash