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Solder Alloy 171 vs. C90800 Bronze

Solder alloy 171 belongs to the otherwise unclassified metals classification, while C90800 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 C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 16
90
Elastic (Young's, Tensile) Modulus, GPa 38
110
Elongation at Break, % 45
13
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 14
40
Tensile Strength: Ultimate (UTS), MPa 48
330

Thermal Properties

Latent Heat of Fusion, J/g 47
190
Melting Completion (Liquidus), °C 180
990
Melting Onset (Solidus), °C 180
870
Specific Heat Capacity, J/kg-K 190
370
Thermal Conductivity, W/m-K 50
68
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
11
Electrical Conductivity: Equal Weight (Specific), % IACS 12
11

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 13
3.8
Embodied Energy, MJ/kg 210
62

Common Calculations

Stiffness to Weight: Axial, points 2.4
6.9
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.5
11
Strength to Weight: Bending, points 3.3
12
Thermal Diffusivity, mm2/s 30
21
Thermal Shock Resistance, points 3.7
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.2
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
85.3 to 89
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.15
Lead (Pb), % 34.7 to 36.7
0 to 0.25
Nickel (Ni), % 0 to 0.010
0 to 0.5
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 61.5 to 62.5
11 to 13
Zinc (Zn), % 0 to 0.0010
0 to 0.25