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6101A Aluminum vs. R56401 Titanium

6101A aluminum belongs to the aluminum alloys classification, while R56401 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6101A aluminum and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 11
9.1
Fatigue Strength, MPa 80
480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 130
560
Tensile Strength: Ultimate (UTS), MPa 220
940
Tensile Strength: Yield (Proof), MPa 190
850

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 160
340
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 630
1560
Specific Heat Capacity, J/kg-K 900
560
Thermal Conductivity, W/m-K 200
7.1
Thermal Expansion, µm/m-K 23
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 180
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.3
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 1190
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
83
Resilience: Unit (Modulus of Resilience), kJ/m3 280
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 23
59
Strength to Weight: Bending, points 30
48
Thermal Diffusivity, mm2/s 84
2.9
Thermal Shock Resistance, points 10
67

Alloy Composition

Aluminum (Al), % 97.9 to 99.3
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 0 to 0.4
0 to 0.25
Magnesium (Mg), % 0.4 to 0.9
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 0.3 to 0.7
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0 to 0.1
0