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Grade 20 Titanium vs. Solder Alloy 135

Grade 20 titanium belongs to the titanium alloys classification, while solder alloy 135 belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is solder alloy 135.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
27
Elongation at Break, % 5.7 to 17
20
Poisson's Ratio 0.32
0.41
Shear Modulus, GPa 47
9.5
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
35

Thermal Properties

Latent Heat of Fusion, J/g 400
36
Melting Completion (Liquidus), °C 1660
250
Melting Onset (Solidus), °C 1600
190
Specific Heat Capacity, J/kg-K 520
160
Thermal Expansion, µm/m-K 9.6
27

Otherwise Unclassified Properties

Density, g/cm3 5.0
10
Embodied Carbon, kg CO2/kg material 52
7.3
Embodied Energy, MJ/kg 860
120
Embodied Water, L/kg 350
720

Common Calculations

Stiffness to Weight: Axial, points 14
1.5
Stiffness to Weight: Bending, points 33
9.9
Strength to Weight: Axial, points 50 to 70
1.0
Strength to Weight: Bending, points 41 to 52
2.4
Thermal Shock Resistance, points 55 to 77
3.5

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0 to 0.0010
Antimony (Sb), % 0
0.5 to 1.8
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
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.020
0
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.3
0 to 0.020
Lead (Pb), % 0
67.1 to 70
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
29.5 to 30.5
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 0.0010
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0