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KESTER Flux-core solder

Product Code: Info

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Product Description

Kester standard flux-core sizes
For applications where a smaller flux core is preferred to reduce flux smoking and residue other core sizes are available.
Standard wire diameters
Kester flux-core and solid wire solders are manufactured in many alloys including those conforming to Federal Specification QQ-S-571 and ASTM B32. Wire solders of any diameter from 6.00 to0.25mm are available. The following are the most commonly specified diameters
Inch Commonly specified diameters English wire gauge equivalent Approximate mm equivalent
0.125 11 3.17
0.093 13 2.36
0.062 16 1.57
0.50 18 1.26
0.040 19 1.02
0.031 21 0.78
0.025 23 0.63
0.020 25 0.50
0.015 28 0.40
0.10 31

0.25

Alloy Properties

ALLOY:TIN-LEAD

MELTING RANGE F/ C

WIRE

BAR

SOLDERPASTE

PREFORMS

Sn63Pb37

361/183

X

X

X

X

Sn60Pb40

361-374/183-190

X

X

X

Sn55Pb45

361-397/183-203

X

X

X

Sn50Pb50

361-420/183-214

X

X

X

Sn45Pb55

361-440/183-225

X

X

X

Sn40Pb60

361-460/183-238

X

X

X

Sn35Pb65

361-477/183-247

X

X

X

Sn30Pb70

361-496/183-258

X

X

X

No. 123

366-503/186/262

X

X

Sn25Pb75

361-514/183-268

X

X

X

Sn20Pb80

361-536/268-302

X

X

X

Sn10Pb90

514-576/268-302

X

X

X

X

Sn05Pb95

574-597/301-314

X

LEAD-FREE

MELTING RANGE F/ C

WIRE

BAR

SOLDERPASTE

PREFORMS

Sn96.5Ag3.5

430/221

X

X

X

X

Sn96Ag04

430-444/221-229

X

X

X

Sn95Ag05

430-473/221-245

X

X

X

100%Sn

450/232

X

X

X

Sn95Sb05

450-464/232-240

X

X

X

X

Sn99.3Cu0.7

440/227

X

X

X

Sn96.6Ag3.0Cu0.5

422-428/217-220

X

X

X

X

Sn95.5Ag3.8Cu0.7

422-430/217-221

X

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