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Solder Alloy 801 vs. ZA-8

Solder alloy 801 belongs to the otherwise unclassified metals classification, while ZA-8 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is solder alloy 801 and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 22
87 to 100
Elastic (Young's, Tensile) Modulus, GPa 53
85 to 86
Elongation at Break, % 33
1.3 to 8.0
Poisson's Ratio 0.35
0.26
Shear Modulus, GPa 20
34
Tensile Strength: Ultimate (UTS), MPa 55
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 64
110
Melting Completion (Liquidus), °C 200
400
Melting Onset (Solidus), °C 200
380
Specific Heat Capacity, J/kg-K 240
440
Thermal Conductivity, W/m-K 61
120
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
28
Electrical Conductivity: Equal Weight (Specific), % IACS 19
40

Otherwise Unclassified Properties

Density, g/cm3 7.2
6.3
Embodied Carbon, kg CO2/kg material 14
3.3
Embodied Energy, MJ/kg 240
62
Embodied Water, L/kg 1140
420

Common Calculations

Stiffness to Weight: Axial, points 4.1
7.5
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
9.3 to 17
Strength to Weight: Bending, points 4.4
12 to 18
Thermal Diffusivity, mm2/s 36
42
Thermal Shock Resistance, points 3.3
7.6 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
8.0 to 8.8
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.0060
Copper (Cu), % 0 to 0.050
0.8 to 1.3
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), % 0 to 0.070
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Nickel (Ni), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0
0 to 0.045
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 89.9 to 91.5
0 to 0.0030
Zinc (Zn), % 8.5 to 9.5
89.7 to 91.2