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TM 750-245-4
TABLE B-5
SOLDER ALLOY TEMPERATURE RANGES
Temperature
Temperature
at which solder
at which solder
becomes plastic
becomes liquid
%Sn
%Pb
%Ag
%Sb
C
F
C
F
0
100
327
620
5
95
272
522
314
59'
10
90
224
435
302
576
15
85
183
361
290
554
20
80
183
361
280
536
25
75
183
361
268
514
30
70
183
361
257
496
35
65
183
361
247
477
38
62
183
361
242
468
40
60
183
361
238
460
45
55
183
361
225
437
48
52
183
361
218
424
50
50
183
361
212
414
55
45
183
361
200
392
60
40
183
361
188
370
63
37
Eutectic
183
361
65
35
183
361
184
364
70
30
183
361
186
367
75
25
183
361
192
378
80
20
183
361
199
390
85
15
183
361
205
403
90
10
183
361
213
415
95
5
183
361
222
432
100
0
232
450
95
5
232
450
238
460
35
63
2
187
369
237
459
27
70
3
179
354
312
594
40
57
3
179
354
289
543
50
47
3
179
354
260
500
61.5
35.5
3
179
354
248
478
62.5
36.1
1.4
Eutectic
179
354
96
4
Eutectic
221
430
95
5
221
430
240
465
97.5
2.5
Eutectic
305
581
95
5
305
581
365
689
0.75
97.5
1.75
Eutectic
310
590
A eutectic alloy is that composition of two or more metals that has one sharp melting point and no plastic range. Sn-Tin;
Pb-Lead; Ag-Silver; Sb-Antimony.
B-21
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