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Solder Alloy 703 vs. Grade 1 Babbitt Metal

Both solder alloy 703 and grade 1 Babbitt Metal are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% 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 703 and the bottom bar is grade 1 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
13
Elastic (Young's, Tensile) Modulus, GPa 51
53
Elongation at Break, % 35
34
Poisson's Ratio 0.36
0.35
Shear Modulus, GPa 19
20

Thermal Properties

Latent Heat of Fusion, J/g 61
70
Melting Completion (Liquidus), °C 220
370
Melting Onset (Solidus), °C 220
220
Specific Heat Capacity, J/kg-K 220
230
Thermal Conductivity, W/m-K 55
45
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
13
Electrical Conductivity: Equal Weight (Specific), % IACS 17
16

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.3
Embodied Carbon, kg CO2/kg material 18
12
Embodied Energy, MJ/kg 300
200

Common Calculations

Stiffness to Weight: Axial, points 3.8
4.0
Stiffness to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 33
26

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.1
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 0.050
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), % 0 to 0.070
0 to 0.35
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 3.3 to 3.7
0
Tin (Sn), % 95.8 to 96.7
89.3 to 92
Zinc (Zn), % 0 to 0.0010
0 to 0.0050