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Solder Alloy 703 vs. Grade 29 Titanium

Solder alloy 703 belongs to the otherwise unclassified metals classification, while grade 29 titanium belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is grade 29 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
110
Elongation at Break, % 35
6.8 to 11
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 19
40
Tensile Strength: Ultimate (UTS), MPa 57
930 to 940

Thermal Properties

Latent Heat of Fusion, J/g 61
410
Melting Completion (Liquidus), °C 220
1610
Melting Onset (Solidus), °C 220
1560
Specific Heat Capacity, J/kg-K 220
560
Thermal Conductivity, W/m-K 55
7.3
Thermal Expansion, µm/m-K 22
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.4
4.5
Embodied Carbon, kg CO2/kg material 18
39
Embodied Energy, MJ/kg 300
640

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
35
Strength to Weight: Axial, points 2.1
58 to 59
Strength to Weight: Bending, points 4.4
47 to 48
Thermal Diffusivity, mm2/s 33
2.9
Thermal Shock Resistance, points 3.7
68 to 69

Alloy Composition

Aluminum (Al), % 0 to 0.0010
5.5 to 6.5
Antimony (Sb), % 0 to 0.1
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 0.050
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), % 0 to 0.070
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Ruthenium (Ru), % 0
0.080 to 0.14
Silver (Ag), % 3.3 to 3.7
0
Tin (Sn), % 95.8 to 96.7
0
Titanium (Ti), % 0
88 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.4