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Solder Alloy 142 vs. C67500 Bronze

Solder alloy 142 belongs to the otherwise unclassified metals classification, while C67500 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 C67500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
100
Elongation at Break, % 37
14 to 33
Poisson's Ratio 0.4
0.3
Shear Modulus, GPa 12
40
Tensile Strength: Ultimate (UTS), MPa 43
430 to 580

Thermal Properties

Latent Heat of Fusion, J/g 42
170
Melting Completion (Liquidus), °C 210
890
Melting Onset (Solidus), °C 180
870
Specific Heat Capacity, J/kg-K 170
390
Thermal Conductivity, W/m-K 45
110
Thermal Expansion, µm/m-K 25
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
24
Electrical Conductivity: Equal Weight (Specific), % IACS 11
27

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 9.4
2.8
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 890
330

Common Calculations

Stiffness to Weight: Axial, points 2.0
7.3
Stiffness to Weight: Bending, points 11
20
Strength to Weight: Axial, points 1.3
15 to 20
Strength to Weight: Bending, points 2.9
16 to 19
Thermal Diffusivity, mm2/s 28
34
Thermal Shock Resistance, points 3.7
14 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.25
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
57 to 60
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0.8 to 2.0
Lead (Pb), % 47.4 to 50
0 to 0.2
Manganese (Mn), % 0
0.050 to 0.5
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 47.5 to 48.5
0.5 to 1.5
Zinc (Zn), % 0 to 0.0010
35.1 to 41.7
Residuals, % 0
0 to 0.5