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Grade 18 Titanium vs. Solder Alloy 801

Grade 18 titanium belongs to the titanium alloys classification, while solder alloy 801 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 18 titanium and the bottom bar is solder alloy 801.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
53
Elongation at Break, % 11 to 17
33
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 40
20
Tensile Strength: Ultimate (UTS), MPa 690 to 980
55

Thermal Properties

Latent Heat of Fusion, J/g 410
64
Melting Completion (Liquidus), °C 1640
200
Melting Onset (Solidus), °C 1590
200
Specific Heat Capacity, J/kg-K 550
240
Thermal Conductivity, W/m-K 8.3
61
Thermal Expansion, µm/m-K 9.9
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
19

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.2
Embodied Carbon, kg CO2/kg material 41
14
Embodied Energy, MJ/kg 670
240
Embodied Water, L/kg 270
1140

Common Calculations

Stiffness to Weight: Axial, points 13
4.1
Stiffness to Weight: Bending, points 35
17
Strength to Weight: Axial, points 43 to 61
2.1
Strength to Weight: Bending, points 39 to 49
4.4
Thermal Diffusivity, mm2/s 3.4
36
Thermal Shock Resistance, points 47 to 67
3.3

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
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
0 to 0.050
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 0.25
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
89.9 to 91.5
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
8.5 to 9.5
Residuals, % 0 to 0.4
0