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Alloy Temperature Chart | Kester

The alloy temperature chart lists the alloys that are available from Kester. This chart includes the alloy’s melting temperature and lists the available forms for each alloy. Download Chart

Kester Solder Alloys
ALLOY Melting Range °C Melting Range °F PASTE WIRE PREFORMS BAR
HIGH-TEMP
Pb100 327 621 X
Sn1Pb97.5Ag1.5 309 588 X X X
Sn5Pb95 301-314 574-597 X
Sn5Pb93.5Ag1.5 296-301 565-574 X X X
Sn5Pb92.5Ag2.5 280 536 X X
Sn10Pb88Ag2 268-299 514-570 X X X X
MID-RANGE
Sn35Pb65 183-247 361-477 X X
Sn40Pb60 183-238 361-460 X
Sn50Pb50 183-216 361-420 X
X
Sn60Pb40 183-190 361-374 X X X
Sn63Pb37 183 361 X X X X
Sn62Pb36Ag2 179 354 X X X X
LOW-TEMP
Sn43Pb43Bi14 144-163 291-324 X
Sn42Bi57Ag1 138 281 X  
LEAD-FREE
Sn97Ag3 221-224
430-435
 X
Sn95Sb5 232-240 450-464 X X X X
Sn100 232 450 X X X
K100LD 227 441 X X X
Sn99.3Cu0.7 227 441 X X X
Sn95Ag5 221-245 430-473
  X X X
Sn96.3Ag3.7 221-229
430-444
  X X X
Sn96.5Ag3.5 221 430 X X X X
Sn97Ag0.2Sb0.8Cu2
220-234 428-454
X X X
Sn99Ag0.3Cu0.7 217-228 423-442 X
Sn96.5Ag3Cu0.5 217-220 422-428 X X X X
Sn95.5Ag4Cu0.5 217 423 X
Sn95.5Ag3.8Cu0.7
217 423 X X X X

 


For Reference Only
ALLOY Melting Range °C Melting Range °F PASTE WIRE PREFORMS BAR
Sn10Pb90
268-302
514-576
Sn97Cu3
227-300
441-572
Sn61.5Pb35.5Ag3
205
401
Sn25Pb75
183-268
361-514
Sn30Pb70
183-258 361-496
Sn55Pb45
183-203
361-397
Sn60Pb38Ag2
183-191 361-376
Sn60Pb36Ag4 179-246 354-475