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Solder Alloy 171 vs. Grade 1 Babbitt Metal

Both solder alloy 171 and grade 1 Babbitt Metal are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common. There are 19 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 grade 1 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 16
13
Elastic (Young's, Tensile) Modulus, GPa 38
53
Elongation at Break, % 45
34
Poisson's Ratio 0.39
0.35
Shear Modulus, GPa 14
20

Thermal Properties

Latent Heat of Fusion, J/g 47
70
Melting Completion (Liquidus), °C 180
370
Melting Onset (Solidus), °C 180
220
Specific Heat Capacity, J/kg-K 190
230
Thermal Conductivity, W/m-K 50
45
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
13
Electrical Conductivity: Equal Weight (Specific), % IACS 12
16

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.3
Embodied Carbon, kg CO2/kg material 13
12
Embodied Energy, MJ/kg 210
200

Common Calculations

Stiffness to Weight: Axial, points 2.4
4.0
Stiffness to Weight: Bending, points 13
17
Thermal Diffusivity, mm2/s 30
26

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.2
4.0 to 5.0
Arsenic (As), % 0 to 0.030
0 to 0.1
Bismuth (Bi), % 0 to 0.1
0 to 0.080
Cadmium (Cd), % 0 to 0.0020
0 to 0.050
Copper (Cu), % 0 to 0.080
4.0 to 5.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.080
Lead (Pb), % 34.7 to 36.7
0 to 0.35
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 61.5 to 62.5
89.3 to 92
Zinc (Zn), % 0 to 0.0010
0 to 0.0050