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Grade 21 Titanium vs. Solder Alloy 136

Grade 21 titanium belongs to the titanium alloys classification, while solder alloy 136 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 21 titanium and the bottom bar is solder alloy 136.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
25
Elongation at Break, % 9.0 to 17
19
Poisson's Ratio 0.32
0.42
Shear Modulus, GPa 51
8.9
Tensile Strength: Ultimate (UTS), MPa 890 to 1340
34

Thermal Properties

Latent Heat of Fusion, J/g 410
34
Melting Completion (Liquidus), °C 1740
260
Melting Onset (Solidus), °C 1690
190
Specific Heat Capacity, J/kg-K 500
150
Thermal Conductivity, W/m-K 7.5
40
Thermal Expansion, µm/m-K 7.1
27

Otherwise Unclassified Properties

Base Metal Price, % relative 60
90
Density, g/cm3 5.4
10
Embodied Carbon, kg CO2/kg material 32
6.8
Embodied Energy, MJ/kg 490
110
Embodied Water, L/kg 180
680

Common Calculations

Stiffness to Weight: Axial, points 14
1.4
Stiffness to Weight: Bending, points 32
9.5
Strength to Weight: Axial, points 46 to 69
0.92
Strength to Weight: Bending, points 38 to 50
2.3
Thermal Diffusivity, mm2/s 2.8
26
Thermal Shock Resistance, points 66 to 100
3.6

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.0010
Antimony (Sb), % 0
0.5 to 2.0
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 0.4
0 to 0.020
Lead (Pb), % 0
71.9 to 75
Molybdenum (Mo), % 14 to 16
0
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 2.2 to 3.2
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.17
0
Silicon (Si), % 0.15 to 0.25
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
24.5 to 25.5
Titanium (Ti), % 76 to 81.2
0
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.4
0