Soft Alloys in Solder Joints
Nominal Composition [%] | Melting Ranges [°C] | Uses |
Sn | Pb | Sb | Ag |
70 | 30 | - | - | 183 - 192 | coating metals |
63 | 37 | - | - | 183 - 183 | as lowest melting solder for dip and hand soldering methods |
60 | 40 | - | - | 183 - 190 | "fine solder" - general purpose, but particularly where the temperature requirements are critical |
50 | 50 | - | - | 183 - 216 | general purpose, 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 | machine and torch soldering |
20 | - | 80 | - | 183 - 277 | coating and joining metals, for filling dents or seams in automobile bodies |
10 | 90 | - | - | 268 - 299 | coating and joining metals |
35 | 62.50 | 1.8 | - | 185 - 243 | wiping and all uses except on galvanized iron |
25 | 73.7 | 1.3 | - | 184 - 262 | torch and machine soldering, except on galvanized iron |
95 | - | 5 | - | 233 - 240 | joints on copper in electrical, plumbing, and heating work |
1 | 97.5 | - | 1.5 | 309 - 309 | use on copper, brass, and similar metals with torch heating |