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Tighter Tolerances
We have a number of jobs that require making steel parts with very tight tolerances on the fit. We are thinking that zinc plating/chemical conversion coating might not be the best solution for us. Are there other materials out there that might give ...
Ask an Expert Published: 11/23/2011
Cadmium Substitutes
Is zinc/iron alloy plating a good replacement for cadmium?
Ask an Expert Published: 10/25/2011
Black Zinc
What is black-zinc plating?
Ask an Expert Published: 9/22/2011
Sintered Metals
Our zinc plater is having a heck of a time with a part that is made from sintered steel. The shop does a good job with all of our non-sintered parts. Do you have any advice for solving this problem?
Ask an Expert Published: 8/26/2011
More in Failure of Zinc Plating
In the December issue of Products Finishing, I addressed a question regarding the failure of zinc plating around welds. One of our readers emailed me and correctly pointed out that I only addressed the plating but failed to address the quality of th...
Ask an Expert Published: 3/31/2011
Zinc Plating and Crystal Growth
We are running a potassium chloride zinc plating bath. The bath has heavy crystal formation throughout and a very thick layer of sludge at the bottom of the tank. As you might guess, we are not obtaining satisfactory plating from the bath.
Ask an Expert Published: 2/18/2011
Dull Zinc Plating
We zinc plate many batches of parts each day. Some of these batches come out dull after the plating and chemical conversion steps. Could this be caused by the base material?
Ask an Expert Published: 1/11/2011
Magnetic Moments
The plating shop says the parts are magnetic when they receive them and the machining operation says they are not magnetic when shipped to the plater.
Ask an Expert Published: 1/11/2011
Failure of Zinc Plating
Our company produces steel components that are welded and sent out to a plating vendor for zinc plating and a trivalent chromium chemical conversion coating. On some of these parts, the zinc plate deteriorates after short periods of storage. Corrosi...
Ask an Expert Published: 1/11/2011
Magnetic Moments Revisited
The plating shop says the parts are magnetic when they receive them and the machining operation says they are not magnetic when shipped to the plater. Do you have any words of wisdom as to how we might be able to resolve this problem?
Ask an Expert Published: 1/10/2011

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