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Solderability of Galvannealed Steel




We have a galvannealed steel heatsink. We discovered that the solderability was terrible, and almost no wetting occurred.

We have since changed the coating spec for these parts, but still have stock of the old parts. Can these be salvaged? What would be a good process for stripping the galvannealed coating and replacing it with a matte tin coating.

Matt McDonald
Product Designer - Blue Bell, Pennsylvania
March 18, 2008



Use a stronger flux or a wipe with dilute muriatic acid ⇦ on eBay or Amazon [affil link] if it is not an electrical component.

James Watts
- Navarre, Florida
March 19, 2008




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