Properties of solder alloys

Solder Alloy Melting Point, °C
solidus / liquidus
Density,
g/cm³
Electrical
Resistivity,
µΩ⋅m
Thermal
Conductivity,
W/m⋅K
Tensile
Strength
at Break,
kgf/cm²
Tensile
Elongation
at Break,
%
Brinell
Hardness,
HB
alloys of tin (Sn) with silver (Ag) and / or copper (Cu)
Sn96.5Ag3.5 221 / 221 7.37 0.123 55 580 35 15
Sn95Ag05 221 / 240 7.40 0.137 - 565 30 14
Sn90Ag10 221 / 295 7.51 - - - - -
Sn99.3Cu0.7 227 / 227 7.31 0.126 66 300 21 9
Sn97Cu03 227 / 300 7.32 0.118 - - - -
Sn99.2Ag0.1Cu0.7
(SAC0107)
217 / 228 7.32 - - - - -
Sn99Ag0.3Cu0.7
(SAC0307)
217 / 228 7.33 - - 300 22 14
Sn98.5Ag0.8Cu0.7
(SAC0807)
216 / 225 7.33 0.140 - 310 21 16
Sn98.5Ag1.0Cu0.5
(SAC105)
215 / 227 7.32 0.133 60 400 13 13
Sn97.1Ag2.6Cu0.3
(SAC263)
217 / 224 7.36 0.132 - - - -
Sn96.5Ag3.0Cu0.5
(SAC305)
217 / 220 7.38 0.132 58 500 19 15
Sn95.5Ag4.0Cu0.5
(SAC405)
217 / 220 7.44 0.132 62 530 17 15
Sn95.5Ag3.8Cu0.7
(SAC387)
217 / 220 7.44 0.132 60 600 16 15
alloys of tin (Sn) and lead (Pb) with or without silver (Ag)
Sn90Pb10 183 / 213 7.55 - - 490 40 -
Sn63Pb37 183 / 183 8.40 0.145 50 525 37 17
Sn62.5Pb36.1Ag1.4 179 / 179 8.41 0.145 50 490 - 16
Sn60Pb40 183 / 191 8.50 0.153 49 535 40 16
Sn55Pb45 183 / 200 8.68 - - - - -
Sn50Pb50 or Pb50Sn50 183 / 212 8.87 0.158 48 420 35 14
Pb55Sn45 or Sn45Pb55 183 / 227 9.07 0.166 - - - -
Pb60Sn40 or Sn40Pb60 183 / 238 9.28 0.171 44 380 25 12
Pb65Sn35 or Sn35Pb65 183 / 247 9.50 0.176 - - - 12
Pb70Sn30 or Sn30Pb70 183 / 257 9.72 0.185 41 350 18 12
Pb75Sn25 or Sn25Pb75 183 / 268 9.96 0.194 - 240 53 11
Pb80Sn20 or Sn20Pb80 183 / 280 10.21 0.198 37 340 20 11
Pb85Sn15 or Sn15Pb85 183 / 288 10.70 - - 330 - 11
Pb88Sn10Ag02 267 / 290 10.75 0.203 27 230 42 -
Pb90Sn10 or Sn10Pb90 275 / 302 10.75 0.194 25 310 30 10
Pb92.5Sn05Ag2.5 287 / 296 11.02 0.200 - 295 - -
Pb95Sn05 or Sn05Pb95 308 / 312 11.06 0.196 23 280 45 8
Pb97.5Ag1.5Sn01 309 / 309 11.28 0.287 23 310 23 9
alloys of bismuth (Bi) and / or cadmium (Ca) with tin (Sb) and / or lead (Pb)
Bi58Sn42 138 / 138 8.56 0.383 19 565 55 23
Sn60Bi40 138 / 170 8.12 0.345 30 525 35 24
Bi55.5Pb44.5 124 / 124 10.44 0.431 4 450 38 15
Sn43Pb43Bi14 144 / 163 9.02 - - 450 41 -
Sn51.2Pb30.6Cd18.2 145 / 145 8.45 - 35 440 - -
alloys of indium (In) with lead (Pb) and / or tin (Sn) and / or silver (Ag)
In70Pb30 165 / 175 8.19 0.196 38 245 - -
In60Pb40 173 / 181 8.52 0.246 29 290 - -
In50Pb50 or Pb50In50 184 / 210 8.86 0.287 22 330 55 10
Pb60In40 197 / 231 9.30 0.332 19 350 - -
Pb75In25 240 / 260 9.97 0.375 18 385 48 10
Pb81In19 260 / 275 10.27 0.383 17 390 - -
Pb95In05 300 / 313 11.06 0.338 21 305 52 6
In52Sn48 118 / 118 7.30 0.147 34 120 83 5
In50Sn50 or Sn50In50 118 / 125 7.30 0.147 34 120 83 5
In97Ag03 143 / 143 7.38 0.075 73 55 - 2
In90Ag10 143 / 237 7.54 0.078 67 115 61 3
In80Pb15Ag05 149 / 154 7.85 0.133 43 180 58 5
Pb90In05Ag05 290 / 310 11.00 0.308 25 405 23 9
Pb92.5In05Ag2.5 300 / 310 11.02 0.313 25 320 - -
Sn77.2In20Ag2.8 175 / 187 7.25 0.176 54 480 47 17
Sn37.5Pb37.5In25 134 / 181 8.42 0.221 23 370 101 10
Sn54Pb26In20 136 / 152 8.05 - - - - -
Sn70Pb18In12 154 / 167 7.79 0.141 45 375 136 12
low temperature alloys
In51.0Bi32.5Sn16.5
(Field's alloy)
60 / 60 7.88 0.522 - 340 - 11
Bi50Pb26.7Sn13.3Cd10
(Wood's alloy)
70 / 70 9.58 0.431 18 420 120 15
Bi52Pb30Sn18
(Newton's alloy)
96 / 96 9.60 0.750 13 365 100 16
Bi50Pb28Sn22
(Rose's alloy)
100 / 100 9.44 - - - - -
other alloys
Sn95Sb05 235 / 240 7.25 0.145 28 415 38 13
Sn91Zn09 199 / 199 7.27 0.115 61 560 33 22
Au80Sn20 280 / 280 14.51 - 57 2800 2 -
Au88Ge12 356 / 356 14.67 - - 2150 1 -
Pb97.5Ag2.5 303 / 303 11.33 0.200 - 310 42 -
Pb94.5Ag5.5 304 / 365 11.35 0.287 23 310 - -
Pb85Sb10Sn05 245 / 255 10.36 0.287 - 390 4 -
pure metals
In100
(pure indium)
157 / 157 7.31 0.0837 86 20 - 1
Sn100
(pure tin)
232 / 232 7.29 0.124 73 135 - 4
Bi100
(pure bismuth)
271 / 271 9.78 1.29 8 - - 7
Pb100
(pure lead)
327 / 327 11.34 0.218 35 125 55 4
Ag100
(pure silver)
960 / 960 10.49 0.0163 429 1480 50 25
Au100
(pure gold)
1064 / 1064 19.30 0.0221 318 1405 42 25
Cu100
(pure copper)
1085 / 1085 8.94 0.0172 401 2460 40 35

 

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