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Solder Alloy 801 vs. Grade 18 Titanium

Solder alloy 801 belongs to the otherwise unclassified metals classification, while grade 18 titanium belongs to the titanium alloys. 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 solder alloy 801 and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.0010
2.5 to 3.5
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.25
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 89.9 to 91.5
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 8.5 to 9.5
0
Residuals, % 0
0 to 0.4