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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
Pb100 328 622 X
Sn1Pb97.5Ag1.5 309 588 X X
Sn5Pb95 301-314 574-597 X X X
Sn5Pb93.5Ag1.5 296-301 565-574 X X X
Sn10Pb88Ag2 268-299 514-570 X X X X
Sn35Pb65 247 477 X X
Sn60Pb36Ag4 246 475 X
Sn61.5Pb35.5Ag3 205 401 X
Sn30Pb70 183-258 361-496 X X
MID-RANGE
Sn40Pb60 183-238 361-460 X X X
Sn50Pb50 183-216 361-420 X 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 X
LEAD-FREE
Sn100 232 450 X X X
Sn99.3Cu0.7 227 441 X X X
Sn96.5Ag3.5 221 430 X X X
Sn95.5Ag3.8Cu0.7 217 423 X X X
Sn95.5Ag4Cu0.5 217 423 X
Sn96.5Ag3Cu0.5 217-218 423-424 X X X X
Sn96.3Ag3.7 221-223 430-444 X X
K100LD 226-230 440 X X X
Sn95Sb5 232-240 450-464 X X X X
SAF-A-LLOY* 220-234 428-454 X X X X

*Sn97Ag0.2Sb0.8Cu2