Solder Alloy Directory Indalloy® Specialty Alloys Sorted by Temperature Coefficient Temperature °C (°F) Density Electrical Thermal of Thermal Latent Specific Heat Elemental Conductivity Conductivity Expansion Tensile Shear Young’s Heat of ® Indalloy Composition (1.72µohms-cm) @ 85°C @ 20°C Strength Strength Modulus Elongation Brinell Fusion SOLID LIQUID Number Liquidus Solidus (% By Mass) lb/in3 gm/cm3 % of IACS W/cm-° C PPM/° C PSI PSI PSI x 10 6 % Hardness J/g J/g- ° C J/g- ° C Comments 61.0Ga/25.0In/ 46L 8 (46) 7 (44) 0.2348 6.50 Liquid metal used as a replacement for mercury 13.0Sn/1.0Zn 66.5Ga/20.5In/ 51E 11 (52) E 0.2283 6.32 13.0Sn 60 16 (60) E 75.5Ga/24.5In 0.2294 6.35 62.5Ga/21.5In/ 51 17 (63) 11 (51) 0.2348 6.50 16.0Sn 77 25 (77) 16 (60) 95.0Ga/5.0In 0.2222 6.15 14 30 (86) MP 100.0Ga 0.2133 5.90 42.9Bi/21.7Pb/ 15 43 (109) 38 (100) 18.3In/8.0Sn/ 0.3353 9.28 5.1Cd/4.0Hg 44.7Bi/22.6Pb/ 117 47 (117) E 19.1In/8.3Sn/ 0.3310 9.16 4.5 .15 25 5400 37.5 note 4 16.5 note1 36.8 0.163 0.197 See Table 1 5.3Cd 44.7Bi/22.6Pb/ 16 52 (126) 47 (117) 16.1In/11.3Sn/ 0.3310 9.16 5.3Cd 49.1Bi/20.9In/ 17 56 (133) 54 (129) 17.9Pb/11.6Sn/ 0.3255 9.01 0.5Cd 49.0Bi/21.0In/ Poor wettability but adequate for mechanical joining of metallic substrates when highly active flux is 136 58 (136) E 0.3255 9.01 2.43 .10 23 6300 20 note 4 16.5 note1 28.9 0.167 0.201 18.0Pb/12.0Sn used. See Table 1 51.0In/32.5Bi/ 19 60 (140) E 0.2847 7.88 3.3 .19 @ 40.1°C 22 4850 11 16.5Sn 61.7In/30.8Bi/ 18 62 (143) E 0.2898 8.02 7.5Cd 47.5Bi/25.4Pb/ 140 65 (149) 57 (135) 12.6Sn/9.5Cd/ 0.3422 9.47 3.5 .15 3725 77.5 note 4 14 note 1 36 0.159 0.188 5.0In 48.0Bi/25.6Pb/ 147 65 (149) 61 (142) 12.8Sn/9.6Cd/ 0.3432 9.50 See Table 1 4.0In 49.0Bi/18.0Pb/ 21 69 (156) 58 (136) 0.3252 9.00 18.0In/15.0Sn 50.0Bi/26.7Pb/ 158 70 (158) E 0.3461 9.58 4 .18 22 5990 300 120 note 4 14.5 note 1 39.8 0.146 0.184 Good fusible alloy used for lens blocking. See Table 1 13.3Sn/10.0Cd 162 72 (162) E 66.3In/33.7Bi 0.2887 7.99 50.5Bi/27.8Pb/ 22 73 (163) 70 (158) 0.3494 9.67 12.4Sn/9.3Cd 50.0Bi/25.0Pb/ 23 73 (163) 70 (158) 0.3468 9.60 3.1 4550 30 25 Non-electrical solder for low-ambient temperature 12.5Sn/12.5Cd 50.0Bi/25.0Pb/ 24 73 (163) 70 (158) 12.5Sn/12.5Cd 0.3465 9.59 Dopant: 0.05Ag 48.5Bi/41.5In/ 25 78 (172) E 0.3067 8.49 10.0Cd 50.0Bi/34.5Pb/ 26 78 (172) 70 (158) 0.3573 9.89 9.3Sn/6.2Cd 57.0Bi/26.0In/ 174 79 (174) E 0.3086 8.54 17.0Sn 54.0Bi/29.7In/ 27 81 (178) E 0.3060 8.47 16.3Sn 50.0Bi/39.0Pb/ 28 82 (180) 77 (171) 0.3660 10.13 8.0Cd/ 3.0Sn 50.3Bi/39.2Pb/ 29 85 (185) 81 (178) 8.0Cd/1.5In/ 0.3667 10.15 1.0Sn E = eutetic Notes Conversions MP = melting point note 1: Brinell Hardness, 2mm ball, 4kg load Resistivity of IACS / elec. conductivity %IACS = resistivity of alloy note 2: Modified Brinell hardness, using 100-kg load, 1/2 min. ex: 1.72 x 100 / %IACS = micro ohm - cm note 3: Depends on specimen preparation note 4: % elongation on 5.65 (sq. root area) gauge length www.indium.com [email protected] Indalloy® Specialty Alloys (cont.) Sorted by Temperature Coefficient Temperature °C (°F) Density Electrical Thermal of Thermal Latent Specific Heat Elemental Conductivity Conductivity Expansion Tensile Shear Young’s Heat of ® Indalloy Composition (1.72µohms-cm) @ 85°C @ 20°C Strength Strength Modulus Elongation Brinell Fusion SOLID LIQUID Number Liquidus Solidus (% By Mass) lb/in3 gm/cm3 % of IACS W/cm-° C PPM/° C PSI PSI PSI x 10 6 % Hardness J/g J/g- ° C J/g- ° C Comments 42.5Bi/37.7Pb/ 160-190 88 (190) 71 (160) 0.3544 9.81 4.3 5400 300 135 note 4 15 note 1 34.3 0.146 See Table 1 11.3Sn/8.5Cd 50.3Bi/39.2Pb/ 31 89 (192) 80 (176) 8.0Cd/1.5Sn/ 0.3667 10.15 1.0In 50.9Bi/31.1Pb/ 32 89 (192) 80 (176) 15.0Sn/2.0In/ 0.3479 9.63 1.0Cd 51.1Bi/39.8Pb/ 33 91 (196) 87 (189) 0.3689 10.21 8.1Cd/1.0In 52.0Bi/31.7Pb/ 34 92 (198) 83 (181) 0.3505 9.70 15.3Sn/1.0Cd 51.6Bi/40.2Pb/ 197 92 (198) E 0.3703 10.25 8.2Cd 50.0Bi/39.0Pb/ 35 93 (199) 73 (163) 0.3653 10.11 7.0Cd/4.0Sn 51.4Bi/31.4Pb/ 36 93 (199) 87 (189) 0.3483 9.64 15.2Sn/2.0In 44.0In/42.0Sn/ 8 93 (199) E 0.2695 7.46 .36 24 2632 4.8 note 2 14.0Cd 52.0Bi/31.7Pb/ 37 94 (201) 90 (194) 0.3505 9.70 15.3Sn/1.0In 52.5Bi/32.0Pb/ 38 95 (203) E 0.3508 9.71 15.5Sn 52.0Bi/32.0Pb/ 257 96 (204) 95 (203) 0.3501 9.69 24 5060 3800 2.08 148.6 16.0Sn 52.0Bi/30.0Pb/ 39 96 (205) E 0.3468 9.60 2.3 .13 5200 100 15.5 note 1 34.7 0.151 0.167 18.0Sn 46.0Bi/34.0Sn/ Low temperature eutectic solder. Can be used on the same metallization as SnPb based solders. 42 96 (205) E 0.3248 8.99 20.0Pb Lowest temperature solder paste 50.0Bi/31.0Pb/ 40 99 (210) 93 (199) 0.3461 9.58 19.0Sn 50.0Bi/28.0Pb/ 41 100 (212) E 0.3411 9.44 22.0Sn 40.5Bi/27.8Pb/ 43 102 (216) 70 (158) 0.3367 9.32 22.4Sn/9.3Cd 54.0Bi/26.0Sn/ 45 103 (217) 102 (216) 0.3172 8.78 20.0Cd 56.0Bi/22.0Pb/ 46 104 (219) 95 (203) 0.3385 9.37 22.0Sn 50.0Bi/30.0Pb/ 57 104 (219) 95 (203) 0.3443 9.53 20.0Sn 35.3Bi/35.1Pb/ 47 105 (221) 70 (158) 0.3425 9.48 20.1Sn/9.5Cd 52.2Bi/37.8Pb/ 48 105 (221) 98 (208) 0.3602 9.97 10.0Sn 45.0Bi/35.0Pb/ 49 107 (225) 96 (205) 0.3468 9.60 20.0Sn 46.0Bi/34.0Pb/ 50 108 (226) 95 (203) 0.3465 9.59 20.0Sn 54.5Bi/39.5Pb/ 52 108 (226) 102 (216) 0.3664 10.14 6.0Sn 52.2In/46.0Sn/ 224 108 (226) E 0.2627 7.27 1.8Zn 53 109 (228) E 67.0Bi/33.0In 0.3183 8.81 51.6Bi/41.4Pb/ 54 112 (234) 98 (208) 0.3660 10.13 7.0 Sn 40.0Bi/33.4Pb/ 55 113 (235) 72 (162) 0.3479 9.63 13.3Sn/13.3Cd E = eutetic Notes Conversions MP = melting point note 1: Brinell Hardness, 2mm ball, 4kg load Resistivity of IACS / elec. conductivity %IACS = resistivity of alloy note 2: Modified Brinell hardness, using 100-kg load, 1/2 min. ex: 1.72 x 100 / %IACS = micro ohm - cm note 3: Depends on specimen preparation note 4: % elongation on 5.65 (sq. root area) gauge length www.indium.com [email protected] Indalloy® Specialty Alloys (cont.) Sorted by Temperature Coefficient Temperature °C (°F) Density Electrical Thermal of Thermal Latent Specific Heat Elemental Conductivity Conductivity Expansion Tensile Shear Young’s Heat of ® Indalloy Composition (1.72µohms-cm) @ 85°C @ 20°C Strength Strength Modulus Elongation Brinell Fusion SOLID LIQUID Number Liquidus Solidus (% By Mass) lb/in3 gm/cm3 % of IACS W/cm-° C PPM/° C PSI PSI PSI x 10 6 % Hardness J/g J/g- ° C J/g- ° C Comments 54.4Bi/43.6Pb/ 56 113 (235) 104 (219) 0.3750 10.38 1.0Sn/1.0Cd 50.0Bi/25.0Pb/ 44 115 (239) 95 (203) 0.3367 9.32 25.0Sn 53.0Bi/42.5Pb/ 58 117 (243) 103 (217) 0.3700 10.24 4.5Sn 38.2Bi/31.7Sn/ 26.4Pb/2.6Cd/ 59 118 (244) 75 (167) 0.3273 9.06 1.1Sb/Dopant: 0.06Cu Fair wettability on glass, quartz, and many ceramics. Good low temperature malleability. 1E 118 (244) E 52.0In/48.0Sn 0.2637 7.30 11.7 .34 20 1720 1630 83 4.5 note 2 Compensates for some CTE mismatch. Low vapor pressure 53.7Bi/43.1Pb/ 61 119 (246) 108 (226) 0.3721 10.30 3.2Sn 55.0Bi/44.0Pb/ 62 120 (248) 117 (243) 0.3754 10.39 1.0Sn 56.8Bi/41.2Pb/ 63 121 (250) 92 (198) 0.3743 10.36 2.0Cd 55.0Bi/44.0Pb/ 64 121 (250) 120 (248) 0.3754 10.39 1.0In 46.0Pb/30.7Bi/ 65 123 (253) 70 (158) 0.3519 9.74 46 18.2Sn/5.1Cd 253 123 (253) E 74.0In/26.0Cd 0.2753 7.62 255 124 (255) E 55.5Bi/44.5Pb 0.3772 10.44 4 .04 6400 37.5 15 20.9 0.126 0.155 Good fusible alloy.