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Solder Properties

 

 

These values are for some of the most common solders. With the push for lead-free (Pb-free) versions that conform the the RoHS1 initiative that will be in effect in Europe in the summer of 2006, new alloys have been developed that use little or no lead at all. For those application, this resource compiled by NIST2 and the Colorado School of Mines will be very helpful.

 

How to Solder Various Metals: A handy set of tutorials from the Kester solder people.

Database for Solder Properties with Emphasis on New Lead-Free Solders

 

 

 

Solder Alloy

Melting Point (°C)Melting Point (°F)

5Sn-95Pb

307585
0.5Sn-92.5Pb-2.5Ag280536
Sn/5Sb243469

100Sn

232450
99.3Sn-0.7Cu227440

96.5Sn-3.5Ag

221430

52In-48Sn

118244
Sn/3.0Ag/0.5Cu219426
Sn/3.8Ag/1.0Cu217423
Sn/3.5Ag/1.0Cu/3Bi213415

50In-50Pb

209402

45Sn-55Pb

204400

55Sn-45Pb

193379

60Sn-40Pb

186368

63Sn-37Pb

183361

62Sn-36Pb-2Ag

179354

97In-3Ag

143289
Sn/57Bi139282

   1: Reduction of Hazardous Substances
   2: National Institute of Standards and Technology

 

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