R/C Tech Forums - View Single Post - How to solder correctly (a not so brief lesson)
Old 01-29-2010 | 02:15 PM
  #127  
Imbuter2000
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Joined: Dec 2009
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Originally Posted by RCGaryK
I couldn't tell you, I don't know. I just know that I tried it and it works and works well. I don't get all caught up in the 60/40-63/37 mix issues that some have. IMHO if you have a good enough iron that 3% difference will have a minimal impact on soldering.
The physical difference between 60/40 and 63/37 is that the second is eutectic at the lowest temperature. While the first has a mix melting point at 183-190°C, the second is eutectic (has an unique melting point) at 183°C.
Anyway you're using a solder that is at least 37% different because it completely misses the Pb (lead) part and this is what interests me most.
I read many times that solders with lead are better.

Originally Posted by RCGaryK
They're not saying it doesn't need to be heated. What I get from that is them saying that simply smathering a boatload of flux onto a surface before soldering doesn't eliminate the need to clean and prep a surface before soldering.
Ah, thanks, I got confused on this. I thought that the "work" were referred to the flux.

Originally Posted by RCGaryK
I haven't watched Marine's video, sorry. I'll defer to him on that one. However what they describe is what I show in my video. You apply the heat to the wire and the wire does draw the solder up.
I'll wait the opinion of Marine on this...
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