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Ted Mooney, P.E. RET
Pine Beach, NJ

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Correct Plating Process for specific applications

I would like to start plating steel parts I fabricate that end up in both a Highway and Agricultural environment. My goal is to provide better weathering, corrosion protection and wearability than what I can provide by painting them. With all the different types of plating available, how do I determine which one is the best for my application? I would like long term appearance as these are both functional and cosmetic parts. Tolerance is important because I one of the parts is a shaft assembly that fits into a bearing.

Kevin Heider
engineer - Des Moines, Iowa
August 23, 2010

For all that you are asking, electroless nickel is the best bet. Low phos will give a better appearance and higher hardness, higher phos more corrosion protection. Especially due to tight tolerances, EN plating thicknesses are even (not varying due to current) and readily controlled.

Mike Burnson
- Chicago, Illinois
August 26, 2010

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