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Solder Alloy 171 vs. C67400 Bronze

Solder alloy 171 belongs to the otherwise unclassified metals classification, while C67400 bronze belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 171 and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
110
Elongation at Break, % 45
22 to 28
Poisson's Ratio 0.39
0.31
Shear Modulus, GPa 14
41
Tensile Strength: Ultimate (UTS), MPa 48
480 to 610

Thermal Properties

Latent Heat of Fusion, J/g 47
190
Melting Completion (Liquidus), °C 180
890
Melting Onset (Solidus), °C 180
870
Specific Heat Capacity, J/kg-K 190
400
Thermal Conductivity, W/m-K 50
100
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
23
Electrical Conductivity: Equal Weight (Specific), % IACS 12
26

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 13
2.8
Embodied Energy, MJ/kg 210
48

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.5
Stiffness to Weight: Bending, points 13
20
Strength to Weight: Axial, points 1.5
17 to 22
Strength to Weight: Bending, points 3.3
17 to 20
Thermal Diffusivity, mm2/s 30
32
Thermal Shock Resistance, points 3.7
16 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.5 to 2.0
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
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 to 0.35
Lead (Pb), % 34.7 to 36.7
0 to 0.5
Manganese (Mn), % 0
2.0 to 3.5
Nickel (Ni), % 0 to 0.010
0 to 0.25
Silicon (Si), % 0
0.5 to 1.5
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 61.5 to 62.5
0 to 0.3
Zinc (Zn), % 0 to 0.0010
31.1 to 40
Residuals, % 0
0 to 0.5