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Titanium 6-2-4-2 vs. Solder Alloy 137

Titanium 6-2-4-2 belongs to the titanium alloys classification, while solder alloy 137 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is titanium 6-2-4-2 and the bottom bar is solder alloy 137.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
24
Elongation at Break, % 8.6
19
Poisson's Ratio 0.32
0.42
Shear Modulus, GPa 40
8.3
Tensile Strength: Ultimate (UTS), MPa 950
34

Thermal Properties

Latent Heat of Fusion, J/g 400
33
Melting Completion (Liquidus), °C 1590
270
Melting Onset (Solidus), °C 1540
190
Specific Heat Capacity, J/kg-K 540
150
Thermal Conductivity, W/m-K 6.9
38
Thermal Expansion, µm/m-K 9.5
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
7.7

Otherwise Unclassified Properties

Base Metal Price, % relative 42
85
Density, g/cm3 4.6
10
Embodied Carbon, kg CO2/kg material 32
6.3
Embodied Energy, MJ/kg 520
100
Embodied Water, L/kg 210
660

Common Calculations

Stiffness to Weight: Axial, points 13
1.3
Stiffness to Weight: Bending, points 34
9.2
Strength to Weight: Axial, points 57
0.9
Strength to Weight: Bending, points 46
2.2
Thermal Diffusivity, mm2/s 2.8
25
Thermal Shock Resistance, points 67
3.7

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0 to 0.0010
Antimony (Sb), % 0
0.5 to 3.0
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.25
0 to 0.020
Lead (Pb), % 0
75.9 to 80
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0.060 to 0.12
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 1.8 to 2.2
19.5 to 20.5
Titanium (Ti), % 83.7 to 87.2
0
Zinc (Zn), % 0
0 to 0.0010
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0