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Solder Alloy 142 vs. C64700 Bronze

Solder alloy 142 belongs to the otherwise unclassified metals classification, while C64700 bronze belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 142 and the bottom bar is C64700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
120
Elongation at Break, % 37
9.0
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 12
44
Tensile Strength: Ultimate (UTS), MPa 43
660

Thermal Properties

Latent Heat of Fusion, J/g 42
220
Melting Completion (Liquidus), °C 210
1090
Melting Onset (Solidus), °C 180
1030
Specific Heat Capacity, J/kg-K 170
390
Thermal Conductivity, W/m-K 45
210
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
38
Electrical Conductivity: Equal Weight (Specific), % IACS 11
38

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 9.4
2.7
Embodied Energy, MJ/kg 160
43
Embodied Water, L/kg 890
310

Common Calculations

Stiffness to Weight: Axial, points 2.0
7.3
Stiffness to Weight: Bending, points 11
18
Strength to Weight: Axial, points 1.3
21
Strength to Weight: Bending, points 2.9
19
Thermal Diffusivity, mm2/s 28
59
Thermal Shock Resistance, points 3.7
24

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.5 to 3.5
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
95.8 to 98
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.1
Lead (Pb), % 47.4 to 50
0 to 0.1
Nickel (Ni), % 0 to 0.010
1.6 to 2.2
Silicon (Si), % 0
0.4 to 0.8
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 47.5 to 48.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.5