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How to weld tin cans

Welding a tin can is not possible, but brazing it together will work. A tin can is either made from aluminium or steel with a tin coating (plating) on the outside. The metal is very thin and does not withstand the heat from welding. Brace tin cans together using a soldering iron and solder. This process is easily done at home. Clean the cans thoroughly before starting the soldering process. Clamp the cans into the desired position and solder the seam.

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  1. Plug in the soldering iron and let heat.

  2. Clamp the tin cans together in the desired positions.

  3. Touch the tip of the soldering iron 6 mm (1/4 inch) from the top seam. Let the soldering tip sit in the area for 10 seconds, and touch the end of the soft solder to the seam. The solder will melt when the tin is at a sufficient temperature. Repeat the process until the solder melts.

  4. Move the tip down 1.2 cm (1/2 inch) and touch the tip to the metal seam. Touch the tip of the solder to the seam. Heat until the solder melts. Continue down the seam until the entire seam is sealed with solder.

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Things You'll Need

  • Tin cans
  • Soldering iron
  • Soft solder
  • Clamps
  • Safety goggles

About the Author

Kim Blakesley is a home remodeling business owner, former art/business teacher and school principal. She began her writing and photography career in 2008. Blakesley's education, fine arts, remodeling, green living, and arts and crafts articles have appeared on numerous websites, including DeWalt Tools, as well as in "Farm Journal" and "Pro Farmer."

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