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Qualitek Physical Property Alloy Comparison Analysis
Physical Property Alloy Comparison Analysis
Alloy Composition
Melting
Point
(°C)
Hardness,
Brinell
Tensil Strength,
psi
Density,
g/cc
Coefficient of
Thermal Expansion
Electrical Resistivity,
(µohm-cm)
Electric
Conductivity,
%IACS
Sn63/Pb37
Common Lead Alloy
183 E
14HB
4442
8.42
24.7
14.5
11.9
Bi58
Sn42/Bi58
139 E
22HB
5400
8.72
13.8
34.5
4.5
LF965-35
Sn96.5/Ag3.5
221 E
15HB
8245
7.5
Pure Sn=23.5
12.3
14
LF950-50
Sn95/Ag5
221-245
13.7HB
4780
7.39
Pure Sn=23.5
13.7
12.6
SnAgCu
Sn/Ag/Cu
217-221
15HB
4312
7.39
Pure Sn=23.5
13.0
16.6
Sn99C
Sn99.3/Cu0.7
227 E
9HB
3190
7.31
Pure Sn=23.5
10-15
13.0
Sb05
Sn95/Sb5
232-240
15HB
5110
7.26
20.09
14.5
11.9
xxE-Eutectic
xx*US Patent 5, 435, 857

 




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