MakeItFrom.com
Menu (ESC)

Grade 21 Titanium vs. Solder Alloy 702

Grade 21 titanium belongs to the titanium alloys classification, while solder alloy 702 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 702.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
51
Elongation at Break, % 9.0 to 17
21
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 51
19
Tensile Strength: Ultimate (UTS), MPa 890 to 1340
53

Thermal Properties

Latent Heat of Fusion, J/g 410
61
Melting Completion (Liquidus), °C 1740
220
Melting Onset (Solidus), °C 1690
220
Specific Heat Capacity, J/kg-K 500
220
Thermal Conductivity, W/m-K 7.5
62
Thermal Expansion, µm/m-K 7.1
22

Otherwise Unclassified Properties

Density, g/cm3 5.4
7.4
Embodied Carbon, kg CO2/kg material 32
17
Embodied Energy, MJ/kg 490
290

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 32
17
Strength to Weight: Axial, points 46 to 69
2.0
Strength to Weight: Bending, points 38 to 50
4.2
Thermal Diffusivity, mm2/s 2.8
38
Thermal Shock Resistance, points 66 to 100
3.4

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 0.050
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 0.4
0 to 0.020
Lead (Pb), % 0
0 to 0.070
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
2.8 to 3.2
Tin (Sn), % 0
96.3 to 97.2
Titanium (Ti), % 76 to 81.2
0
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.4
0