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Solder Alloy 101 vs. Zamak 7

Solder alloy 101 belongs to the otherwise unclassified metals classification, while Zamak 7 belongs to the zinc alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 101 and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
80
Elastic (Young's, Tensile) Modulus, GPa 38
86
Elongation at Break, % 48
13
Poisson's Ratio 0.39
0.25
Shear Modulus, GPa 14
33
Tensile Strength: Ultimate (UTS), MPa 31
280
Tensile Strength: Yield (Proof), MPa 27
250

Thermal Properties

Latent Heat of Fusion, J/g 46
120
Melting Completion (Liquidus), °C 180
390
Melting Onset (Solidus), °C 180
380
Specific Heat Capacity, J/kg-K 190
410
Thermal Conductivity, W/m-K 51
110
Thermal Expansion, µm/m-K 25
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
27
Electrical Conductivity: Equal Weight (Specific), % IACS 12
38

Otherwise Unclassified Properties

Density, g/cm3 8.8
6.4
Embodied Carbon, kg CO2/kg material 11
3.0
Embodied Energy, MJ/kg 180
57
Embodied Water, L/kg 930
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
36
Resilience: Unit (Modulus of Resilience), kJ/m3 9.9
370
Stiffness to Weight: Axial, points 2.4
7.5
Stiffness to Weight: Bending, points 13
23
Strength to Weight: Axial, points 1.0
12
Strength to Weight: Bending, points 2.5
15
Thermal Diffusivity, mm2/s 31
43
Thermal Shock Resistance, points 2.4
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.0010
3.5 to 4.3
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.0020
Copper (Cu), % 0 to 0.080
0 to 0.25
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.075
Lead (Pb), % 35.8 to 37.5
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Nickel (Ni), % 0 to 0.010
0.0050 to 0.020
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 62.5 to 63.5
0 to 0.0010
Zinc (Zn), % 0 to 0.0010
95.3 to 96.5