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Grade 25 Titanium vs. Solder Alloy 161

Grade 25 titanium belongs to the titanium alloys classification, while solder alloy 161 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 25 titanium and the bottom bar is solder alloy 161.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
38
Elongation at Break, % 11
44
Poisson's Ratio 0.32
0.39
Shear Modulus, GPa 40
14
Tensile Strength: Ultimate (UTS), MPa 1000
53

Thermal Properties

Latent Heat of Fusion, J/g 410
48
Melting Completion (Liquidus), °C 1610
190
Melting Onset (Solidus), °C 1560
180
Specific Heat Capacity, J/kg-K 560
190
Thermal Conductivity, W/m-K 7.1
49
Thermal Expansion, µm/m-K 9.6
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
11

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 43
11
Embodied Energy, MJ/kg 700
180
Embodied Water, L/kg 320
910

Common Calculations

Stiffness to Weight: Axial, points 13
2.4
Stiffness to Weight: Bending, points 35
13
Strength to Weight: Axial, points 62
1.7
Strength to Weight: Bending, points 50
3.5
Thermal Diffusivity, mm2/s 2.8
29
Thermal Shock Resistance, points 71
4.1

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
1.2 to 1.6
Gold (Au), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.013
0
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.4
0 to 0.020
Lead (Pb), % 0
37.3 to 39.3
Nickel (Ni), % 0.3 to 0.8
0 to 0.010
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Titanium (Ti), % 86.7 to 90.6
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.4
0