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Solder Alloy 103 vs. Grade 28 Titanium

Solder alloy 103 belongs to the otherwise unclassified metals classification, while grade 28 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 103 and the bottom bar is grade 28 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
110
Elongation at Break, % 47
11 to 17
Poisson's Ratio 0.39
0.32
Shear Modulus, GPa 13
40
Tensile Strength: Ultimate (UTS), MPa 52
690 to 980

Thermal Properties

Latent Heat of Fusion, J/g 45
410
Melting Completion (Liquidus), °C 190
1640
Melting Onset (Solidus), °C 180
1590
Specific Heat Capacity, J/kg-K 180
550
Thermal Conductivity, W/m-K 50
8.3
Thermal Expansion, µm/m-K 24
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 10
37
Embodied Energy, MJ/kg 180
600
Embodied Water, L/kg 910
370

Common Calculations

Stiffness to Weight: Axial, points 2.3
13
Stiffness to Weight: Bending, points 12
35
Strength to Weight: Axial, points 1.6
43 to 61
Strength to Weight: Bending, points 3.5
39 to 49
Thermal Diffusivity, mm2/s 30
3.4
Thermal Shock Resistance, points 4.3
47 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.0010
2.5 to 3.5
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
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.25
Lead (Pb), % 38.8 to 40.5
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Ruthenium (Ru), % 0
0.080 to 0.14
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Titanium (Ti), % 0
92.4 to 95.4
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.4