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Alloy Properties | 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

ALLOY Melting Range °C Melting Range °F SOLDER PASTE WIRE PREFORMS BAR
HIGH-TEMP
Sn1Pb97.5Ag1.5 309 588 X X
Sn30Pb70 183-258 361-496 X X
Sn10Pb88Ag2 268-299 514-570 X X X X
Sn5Pb93.5Ag1.5 296-301 565-574 X X X
Sn5Pb95 301-314 574-597 X X X
Sn61.5Pb35.5Ag3 205 401 X
Sn60Pb36Ag4 246 475 X
Sn35Pb65 247 477 X X
Pb100 328 622 X
MID-RANGE
Sn63Pb37 183 361 X X X X
Sn62Pb36Ag2 179-189 354-372 X X X X
Sn60Pb40 183-190 361-374 X X X
Sn50Pb50 183-216 361-420 X X X
Sn40Pb60 183-238 361-460 X X X
LOW-TEMP
Sn43Pb43Bi14 144-163 291-324 X X
LEAD-FREE
Sn95.5Ag3.8Cu0.7 217 423 X X X
Sn95.5Ag4Cu0.5 217 423 X
Sn96.5Ag3.5 221 430 X X X
Sn99.3Cu0.7 227 441 X X X
Sn100 232 450 X X X
Sn96.5Ag3Cu0.5 217-218 423-424 X X X X
SAF-A-LLOY* 220-234 428-454 X X X X
Sn96Ag4 221-229 430-444 X X
Sn95Sb5 232-240 450-464 X X X X
K100LD 227 440 X X X

*Sn97Ag0.2Sb0.8Cu2