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Grade 31 Titanium vs. Solder Alloy 151

Grade 31 titanium belongs to the titanium alloys classification, while solder alloy 151 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 31 titanium and the bottom bar is solder alloy 151.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
39
Elongation at Break, % 20
37
Poisson's Ratio 0.32
0.37
Shear Modulus, GPa 41
14
Tensile Strength: Ultimate (UTS), MPa 510
46

Thermal Properties

Latent Heat of Fusion, J/g 420
47
Melting Completion (Liquidus), °C 1660
150
Melting Onset (Solidus), °C 1610
150
Specific Heat Capacity, J/kg-K 540
190
Thermal Conductivity, W/m-K 21
44
Thermal Expansion, µm/m-K 8.7
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
10

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 36
9.2
Embodied Energy, MJ/kg 600
160
Embodied Water, L/kg 230
920

Common Calculations

Stiffness to Weight: Axial, points 13
2.5
Stiffness to Weight: Bending, points 35
13
Strength to Weight: Axial, points 32
1.4
Strength to Weight: Bending, points 32
3.2
Thermal Diffusivity, mm2/s 8.5
26
Thermal Shock Resistance, points 39
3.2

Alloy Composition

Aluminum (Al), % 0
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
17.5 to 18.5
Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
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
30.3 to 33
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0
Palladium (Pd), % 0.040 to 0.080
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
49.5 to 50.5
Titanium (Ti), % 97.9 to 99.76
0
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.4
0