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Solder Alloy 171 vs. C87200 Bronze

Solder alloy 171 belongs to the otherwise unclassified metals classification, while C87200 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 171 and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 16
85
Elastic (Young's, Tensile) Modulus, GPa 38
110
Elongation at Break, % 45
30
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 14
43
Tensile Strength: Ultimate (UTS), MPa 48
380

Thermal Properties

Latent Heat of Fusion, J/g 47
260
Melting Completion (Liquidus), °C 180
970
Melting Onset (Solidus), °C 180
860
Specific Heat Capacity, J/kg-K 190
410
Thermal Conductivity, W/m-K 50
28
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.6
Embodied Carbon, kg CO2/kg material 13
2.7
Embodied Energy, MJ/kg 210
44

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.4
Stiffness to Weight: Bending, points 13
19
Strength to Weight: Axial, points 1.5
12
Strength to Weight: Bending, points 3.3
14
Thermal Diffusivity, mm2/s 30
8.0
Thermal Shock Resistance, points 3.7
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 1.5
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
89 to 99
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 2.5
Lead (Pb), % 34.7 to 36.7
0 to 0.5
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 0
1.0 to 5.0
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 61.5 to 62.5
0 to 1.0
Zinc (Zn), % 0 to 0.0010
0 to 5.0