Nominal Composition [%]

Melting Ranges [oC]

Uses

Sn

Pb

Sb

Ag

70

30

-

-

183 - 192

for coating metals

63

37

-

-

183 - 183

as lowest melting solder for dip and hand soldering methods

60

40

-

-

183 - 190

"fine solder" - for general purposes, but particularly where the temperature requirements are critical

50

50

-

-

183 - 216

for general purposes, most popular of all

40

60

-

-

183 - 238

wiping solder for joining lead pipes and cable sheaths, for automobile radiator cores and heating units

35

65

-

-

183 - 247

general purpose and wiping solder

30

70

-

-

183 - 255

for machine and torch soldering

20

-

80

-

183 - 277

for coating and joining metals, for filling dents or seams in automobile bodies

10

90

-

-

268 - 299

for coating and joining metals

35

63.2

1.8

-

185 - 243

for wiping and all uses except on galvanized iron

25

73.7

1.3

-

184 - 262

for torch and machine soldering, except on galvanized iron

95

-

5

-

233 - 240

for joints on cooper in electrical, plumbing and heating work

1

97.5

-

1.5

309 - 309

for use on copper, brass and similar metals with torch heating