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Grade 12 Titanium vs. Solder Alloy 122

Grade 12 titanium belongs to the titanium alloys classification, while solder alloy 122 belongs to the otherwise unclassified metals. There are 25 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 grade 12 titanium and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
10
Elastic (Young's, Tensile) Modulus, GPa 110
20
Elongation at Break, % 21
30
Poisson's Ratio 0.32
0.43
Shear Modulus, GPa 39
6.9
Tensile Strength: Ultimate (UTS), MPa 530
30

Thermal Properties

Latent Heat of Fusion, J/g 420
27
Melting Completion (Liquidus), °C 1660
300
Melting Onset (Solidus), °C 1610
270
Specific Heat Capacity, J/kg-K 540
140
Thermal Conductivity, W/m-K 21
25
Thermal Expansion, µm/m-K 9.6
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
75
Density, g/cm3 4.5
11
Embodied Carbon, kg CO2/kg material 31
5.0
Embodied Energy, MJ/kg 500
84
Embodied Water, L/kg 110
540

Common Calculations

Stiffness to Weight: Axial, points 13
1.0
Stiffness to Weight: Bending, points 35
8.2
Strength to Weight: Axial, points 32
0.77
Strength to Weight: Bending, points 32
2.0
Thermal Diffusivity, mm2/s 8.5
17
Thermal Shock Resistance, points 37
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
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 0.080
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 0.3
0 to 0.020
Lead (Pb), % 0
88.4 to 90.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.6 to 0.9
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
9.5 to 10.5
Titanium (Ti), % 97.6 to 99.2
0
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.4
0