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ALLOY GUIDE   PRODUCT LIST   ACOUSTILEAD
ANODES   BABBITT   LEAD FREE   STAINED GLASS

Alloys Guide
Alloy Guide
Listed by Order of Melting Temperature ( low - high )

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Alloy Melting Temperature Density
oF oC (lb/in.3) gm/cm3
44.7 Bi / 22.6 Pb / 19.1 In / 8.3 Sn / 5.3 Cd 117 Eutectic 47 Eutectic 0.3307 9.16
49.3 Bi / 20.8 In / 17.9 Pb / 11.5 Sn/ .5 Cd 129-133 54-56 0.3253 9.01
47.5 Bi / 25.4 Pb /12.6 Sn . 9.5 Cd / 5 In 134-149 57-65 0.3419 9.47
49 Bi / 21 In / 18 Pb / 12 Sn 136 Eutectic 58 Eutectic 0.3253 9
49 Bi / 18 Pb / 18 In / 15 Sn 136-156 58-69 0.3249 9
48 Bi / 25.6 Pb / 12.7 Sn / 9.6 Cd / 4 In 142-149 61-65 0.3429 9.5
61.72 In / 30.78 Bi / 7.5 Cd 143 Eutectic 61.5 Eutectic 0.2895 9.01
52 Bi / 26 Pb / 22 In 156-158 68-69 0.345 9.55
50 Bi / 27 Pb / 13 Sn / 10 Cd 158 Eutectic 70 Eutectic 0.3458 9.58
50.5 Bi / 27.8 Pb / 12.4 Sn / 9.3 Cd 158-165 70-73 0.3491 9.67
50 Bi / 34.5 Pb / 9.3 Sn / 6.2 Cd 158-173 70-78 0.3579 9.89
42 Bi / 35 Pb / 13 Sn / 10 Cd 158-176 70-80 0.3539 9.79
41 Bi / 36 Pb / 13 Sn / 10 Cd 158-185 70-85 0.3541 9.8
42.5 Bi / 37.7 Pb / 12 Sn / 5.1 Cd 158-194 70-90 0.3541 9.81
46 Pb / 30.7 Bi/ 18.2 Sn/ 5.1 Cd 158-253 70-123 0.3516 9.74
42 Bi / 37 Pb / 12 Sn / 9 Cd 160-190 71-88 0.3541 9.81
66.3 In / 33.7 Bi 162 Eutectic 72 Eutectic 0.2886 7.99
40 Bi / 33.4 Pb / 13.3 Sn / 13.3 Cd 162-235 72-113 0.3476 9.63
50 Bi / 39 Pb / 7 Cd / 4 Sn 165-200 73-93 0.365 10.11
50 Bi / 39 Pb / 8 Cd / 3 Sn 170-180 77-82 0.3657 10.13
48.5 Bi / 41.5 In / 10 Cd 171 Eutectic 77.5 Eutectic 0.3066 8.49
54.1 Bi / 29.6 In / 16.3 Sn 178 Eutectic 81 Eutectic 0.3058 8.47
50.4 Bi / 39.2 Pb / 8 Cd / 1.4 In / 1 Sn 178-185 81-85 0.3664 9.8
52 Bi / 31.6 Pb/ 15.4 Sn / 1 Cd 181-198 83-92 0.3502 9.7
51.08 Bi / 39.8 Pb / 8.12 Cd / 1 In 188-196 87-91 0.3686 10.21
51.45 Bi / 31.35 Pb / 15.2 Sn / 2 In 190-200 87-93 0.348 9.64
46.7 Bi / 39.3 Pb / 12.4 Sn / 1.6 In 190-230 88-110 0.3457 9.58
51.6 Bi / 40.2 Pb / 8.2 Cd 197 Eutectic 92 Eutectic 0.37 10.25
44 In / 42 Sn / 14 Cd 200 Eutectic 93 Eutectic 0.2693 7.46
50 Bi / 31 Pb / 19 Sn 200-210 93-99 0.3458 9.58
52 Bi / 30 Pb / 18 Sn 220 Eutectic 95 Eutectic 0.3465 9.6
50 Bi / 28 Pb / 22 Sn 202-225 95-108 0.3418 9.47
52.5 Bi / 32 Pb / 15.5 Sn 203 Eutectic 95.5 Eutectic 0.347 9.69
52 Bi / 32 Pb / 16 Sn 203-204 95-95.5 0.35 9.69
56 Bi / 22 Pb / 22 Sn 203-219 95-104 0.3382 9.37
50 Bi / 30 Pb / 20 Sn 203-219 95-104 0.344 9.53
46.1 Bi / 19.7 Pb / 34.2 Sn 203-219 95-104 0.327 9.06
50 Bi / 25 Pb / 25 Sn 203-239 95-115 0.3364 9.32
51.6 Bi / 37.4 Sn / 6 In / 5 Pb 203-264 95-129 0.3097 8.58
36 Bi / 32 Pb / 31 Sn / 1 Ag 203-277 95-136 0.3328 9.22
45 Bi / 35 Pb / 20 Sn 205-225 96-107 0.3465 9.6
34 Pb / 34 Sn / 32 Bi 205-271 96-133 0.3303 9.15
52.2 Bi / 37.8 Pb / 10 Sn 208-221 98-105 0.3599 9.97
51.6 Bi / 41.4 Pb / 7 Sn 208-234 98-112 0.3657 10.13
35.7 Sn / 35.7 Bi / 28.6 Pb 212 Eutectic 100 Eutectic 0.337 9.34
54.5 Bi / 39.5 Pb / 6 Sn 215-226 102-108 0.366 10.14
53.9 Bi / 25.9 Sn / 20.2 Cd 219 Eutectic 104 Eutectic 0.3111 8.67
67 Bi / 33 In 229 Eutectic 109 Eutectic 0.318 8.81
55 Bi / 44 Pb / 1 Sn 242-248 117-120 0.3751 10.39
52 In / 48 Sn 244 Eutectic 118 Eutectic 0.2635 7.3
50 In / 50 Sn 244-257 118-125 0.2635 7.3
52 Sn / 48 In 244-268 118-131 0.2635 7.3
58 Sn / 42 In 244-293 118-145 0.2635 7.3
55 Bi / 44 Pb / 1 Sn 248-250 120-121 0.3751 10.38
* Eutectic - When a solder alloy melts at a single point, like pure metals.
Alloy Melting Temperature Density
oF oC (lb/in.3) gm/cm3
40In / 40 Sn / 20 Pb 248-266 120-130 0.2837 7.86
42 Pb / 37 Sn / 21 Bi 248-306 120-152 0.3307 9.16
55.1 Bi / 39.0 Sn / 5 Pb 250-277 121-136 0.313 8.67
50 Sn / 25 Pb / 25 Bi 250-400 121-204 0.2937 8.14
74 In / 26 Cd 253 Eutectic 123 Eutectic 0.2751 7.62
55.5 Bi / 44.5 Pb 255 Eutectic 124 Eutectic 0.3769 10.4
58 Bi / 42 Pb 255-259 124-126 0.3754 10.4
70 In / 15 Sn / 9.6 Pb / 5.4 Cd 257 Eutectic 125 Eutectic 0.2754 7.63
95 In / 5 Bi 257-302 125-150 0.2673 7.4
75 In / 25 Sn 262-269 128-132 0.272 7.3
56.84 Bi / 41.16 Sn / 2 Pb 262-271 128-133 0.3105 8.6
50 Pb / 30 Sn / 20 Bi 266-343 130-173 0.3419 9.47
51.5 Pb / 27 Sn / 21.5 Bi 268-338 131-170 0.3458 9.58
80 In / 20 Sn 268-375 131-190 0.271 7.3
45 Sn / 32 Pb / 18 Cd / 5 Bi 270-282 132-139 0.3115 8.63
57.4 Bi / 41.6 Sn / 1 Pb 275 Eutectic 135 Eutectic 0.3097 8.58
58 Bi / 42 Sn 281 Eutectic 138 Eutectic 0.309 8.56
50 Bi / 50 Sn 281-299 138-148 0.297 8.23
43 Bi / 57 Sn 281-333 138-167 0.296 8.16
60 Sn / 40 Bi 281-338 138-170 0.2931 8.12
48 Sn / 36 Pb / 16 Bi 284-324 140-162 0.317 8.78
60 Bi / 40 Cd 291 Eutectic 144 Eutectic 0.3361 9.31
90 In / 10 Sn 291-295 144-163 0.271 7.51
43 Pb / 43 Sn / 14 Bi 291-325 144-163 0.3245 8.99
51.2 Sn / 30.6 Pb / 18.2 Cd 293 Eutectic 145 Eutectic 0.305 8.45
50 Sn / 25 Cd / 25 Pb 293-320 145-160 0.3018 8.36
75 In / 25 Pb 293-325 145-162 0.283 7.84
43 Sn / 43 Pb / 14 Cd 293-347 145-175 0.31 8.59
97 In / 3 Ag 296 Eutectic 146 Eutectic 0.2664 7.38
80 In / 15 Pb / 5 Ag 298-300 148-149 0.2834 7.85
70 Sn / 18 Pb / 12 In 307-322 153-161 0.2812 7.79
100 In 313 156.7 0.2639 7.31
70 In / 30 Pb 320-345 160-174 0.2956 8.19
65.5 Sn / 31.5 Bi / 3.0 Zn 338 Eutectic 170 Eutectic 0.2901 8.03
60 In / 40 Pb 345-365 174-185 0.3077 8.52
67.8 Sn / 32.2 Cd 348 Eutectic 176 Eutectic 0.2772 7.68
62 Sn / 36 Pb / 2 Ag 355 Eutectic 179 Eutectic 0.3036 8.41
55 Pb / 44 Sn / 1 Ag 355-410 179-210 0.3289 9.1
60 Pb / 37 Sn / 3 Ag 355-450 179-232 0.339 9.39
50 Sn / 47 Pb / 3 Ag 355-500 179-260 0.3198 8.86
50 In / 50 Pb 356-408 180-209 0.3198 8.86
50 Sn / 49.5 Pb / .5 Sb 360-420 182-216 0.3198 8.85
63 Sn / 37 Pb 361 Eutectic 183 Eutectic 0.3032 8.4
70 Sn / 30 Pb 361-367 183-186 0.2946 8.16
60 Sn / 40 Pb 361-370 183-188 0.3068 8.5
75 Sn / 25 Pb 361-380 183-192 0.2888 8
80 Sn / 20 Pb 361-390 183-199 0.2834 7.85
55 Sn / 45 Pb 361-392 183-200 0.3133 8.68
85 Sn / 15 Pb 361-403 183-205 0.278 7.7
50 Sn / 50 Pb 361-413 183-212 0.3202 8.87
90 Sn / 10 Pb 361-415 183-213 0.2726 7.55
95 Sn / 5 Pb 361-432 183-222 0.2679 7.42
55 Pb / 45 Sn 361-440 183-227 0.3274 9.07
60 Pb / 40 Sn 361-460 183-238 0.335 9.28
* Eutectic - When a solder alloy melts at a single point, like pure metals.
Alloy Melting Temperature Density
oF oC (lb/in.3) gm/cm3
70 Pb / 30 Sn 361-496 183-257 0.3509 9.72
75 Pb / 25 Sn 361-514 183-268 0.3595 9.96
79 Pb / 20 In / 1 Sb 363-517 184-270 0.3668 10.16
58 Pb / 40 Sn / 2 Sb 365-448 185-231 0.331 9.17
65 Pb / 35 In 380-450 193-232 0.342 9.47
60 Pb / 40 In 383-437 195-225 0.3355 9.3
91 Sn / 9 Zn 390 Eutectic 199 Eutectic 0.2626 7.27
4 Bi / .2 Cu / .2 Ag / 95.6 Sn 403-453   0.261  
90 Sn / 10 Au 422 Eutectic 217 Eutectic 0.273 7.3
96.5 Sn / 3.5 Ag 430 Eutectic 221 Eutectic 0.2657 7.36
96 Sn / 4 Ag 430-448 221-238 0.264 7.31
95 Sn / 5 Ag 430-465 221-240 0.2668 7.39
90 Sn / 10 Ag 430-563 221-295 0.2711 7.51
97 Sn / 3 Cu 441-590 227-310 0.265 7.34
100 Sn 450 232 0.2628 7.28
98 Sn / 2 Sb 450-456 232-235 0.269 7.45
97 Sn / 3 Sb 450-460 232-238 0.2621 7.26
95 Sn / 5 Sb 450-464 232-240 0.2617 7.25
65 Sn / 25 Ag / 10 Sb 451 Eutectic 233 Eutectic 0.2818 7.8
99 Sn / 1 Sb 450-456 232-235 0.2624 7.27
85 Pb / 10 Sb / 5 Sn 463-470 239-243 0.382 10.58
92 Pb / 5 Sn / 3 Sb 463-545 239-285 0.3906 10.82
82.5 Pb / 17.5 Cd 478 Eutectic 248 Eutectic 0.3795 10.51
75 Pb / 25 In 482-508 250-264 0.3599 9.97
95 Pb / 5 Sb 585-597 252-314 0.3956 10.96
90 Pb / 10 Sb 485 Eutectic 252-260 0.3826 10.6
82.6 Cd / 17.4 Zn 511 Eutectic 266 Eutectic 0.3014 8.35
88 Pb / 10 Sn / 2 Ag 514-570 268-299 0.3887 10.77
81 Pb / 19 In 518-536 270-280 0.3707 10.27
100 Bi 520 271 0.3541 9.8
96 Pb / 4 Sb 522-603 273-316 0.393 10.87
95 Bi / 5 Sb 524-564 274-296 0.3445 9.54
90 Pb / 10 Sn 527-576 275-302 0.3881 10.75
85 Pb / 15 In 529-553 277-290 0.3795 10.51
80 Au / 20 Sn 536 Eutectic 280 Eutectic 0.5242 14.51
90 Pb / 10 In 536-558 280-292 0.387 10.72
92.5 Pb / 5 Sn / 2.5 Ag 549-565 287-296 0.3978 11.02
90 Pb / 5 In / 5 Ag 554-590 290-130 0.3971 11
90 Pb / 5 Ag / 5 Sn 558 Eutectic 292 Eutectic 0.3971 11
95 Pb / 5 In 558-598 292-314 0.398 11.06
95.5 Pb / 2.5 Ag / 2 Sn 570-580 299-304 0.4043 11.2
92.5 Pb / 5 In / 2.5 Ag 572 Eutectic 300 Eutectic 0.3978 11.02
98 Pb / 2 Sb 572-608 300-320 0.4039 11.19
97.5 Pb / 2.5 Ag 579 Eutectic 303 Eutectic 0.409 11.33
95 Pb / 5 Ag 581-687 305-364 0.4079 11.3
97.5 Pb / 1.5 Ag / 1 Sn 588 Eutectic 209 Eutectic 0.4072 11.28
95 Pb / 5 Sn 590-598 310-314 0.398 11.06
98.5 Pb / 1.5 Sb 590-611 310-322 0.4054 11.23
91 Pb / 4 Sn / 4 Ag / 1 In 597 Eutectic 313 Eutectic 0.406 11.24
100 Pb 620 327 0.409 11.34
75 Au / 25 In 843-868 451-465 0.4946 13.69
82 Au / 18 In 843-905 451-485 0.5383 14.9
* Eutectic - When a solder alloy melts at a single point, like pure metals.

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