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The TAB Guide to DIY Welding : Hands-on Projects for Hobbyists, Handymen, and Artists by Jackson Morley

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CHAPTER 12

 

Finishing

As with all materials that are left to nature, steel will deteriorate over time. To combat this process, you must apply a coating or finish to help repel the natural degradation that occurs. Earlier in this book you learned about the oxidizing process called rust that naturally happens to mild steel. You also learned that rust is porous so that it continues to oxidize and break down steel until no more material remains. In a dry environment, this could take hundreds of years, but if uncoated steel is left in a humid and salty environment, it occurs much, much faster. This means that if you want a rusted surface and don’t care about the longevity of the piece, you don’t need to apply any finish at all. For the rest of your ...

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