Leaded Solder

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Leaded Solder is any Solder made up of an alloy of Tin and Lead. Leaded solders are cheaper and easier to work with than Lead Free Solder alloys.


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Make this opening part better. Probably should get into more details of how the alloy works and include a phase diagram somewhere.


A quick overview of how Tin/Lead solder alloys work:

  • As you increase the Tin content
    • It will be more shiny and silver.
    • It will be "stronger".
    • The melting temperature will lower.
    • The liquid time will be longer. (sorta*)
    • It will create a higher bead.
  • As you increase the Lead content
    • It will be more dull and gray.
    • It will be "weaker".
    • The melting temperature will be higher.
    • The liquid time will be shorter. (sorta*)
    • It will flatten out more.

Alloy Labeling

Leaded solder is always sold by an ##/## identifier. This is the percentage of Tin by Lead the alloy is made up of.

60/40 would mean that alloy is 60% Tin, while 40% of it is Lead.

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Add some images of solder rolls with the alloy highlighted.



Alloys of Leaded Solder

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This is worded poorly and needs to be improved when the rest is.


Different alloys of solder will melt at different temperatures while having different flow and freeze characteristics. It will also affect its look and how it reacts to the elements over time. While the latter half aren't super important the first parts are. How the solder works can greatly change your end result or what's possible with it.

Alloy (Tin/Lead) Use
63% Tin / 37% Lead (63/37)
  • Good for Decorative Soldering
  • Is Eutectic
  • More expensive than the other options
  • Almost holds the shape it was in when molten
  • Will be the most shiny option due to the highet Tin content
60% Tin / 40% Lead (60/40)
  • Good all around solder, favored by Foil Method workers.
  • Has a larger plastic window
  • Middle of the price range
  • Creates a nice rounded bead
  • Will be more shiny due to higher Tin content
50% Tin / 50% Lead (50/50)
  • Can also be used anywhere, favored more by Came workers.
  • Has a smaller plastic window
  • Lowest price
  • Creates flatter beads
  • Will be more dull gray due to less Tin content.