MakeItFrom.com
Menu (ESC)

2017 Aluminum vs. Grade 2 Titanium

2017 aluminum belongs to the aluminum alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 2017 aluminum and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 12 to 18
23
Fatigue Strength, MPa 90 to 130
250
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
38
Shear Strength, MPa 130 to 260
270
Tensile Strength: Ultimate (UTS), MPa 190 to 430
420
Tensile Strength: Yield (Proof), MPa 76 to 260
360

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 190
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 510
1610
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 150
22
Thermal Expansion, µm/m-K 24
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.0
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1140
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 66
92
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 470
600
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 17 to 40
26
Strength to Weight: Bending, points 24 to 42
28
Thermal Diffusivity, mm2/s 56
8.9
Thermal Shock Resistance, points 7.9 to 18
32

Alloy Composition

Aluminum (Al), % 91.6 to 95.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.3
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.4 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 0.2 to 0.8
0
Titanium (Ti), % 0 to 0.15
98.9 to 100
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.4