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A206.0 Aluminum vs. R56401 Titanium

A206.0 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 (2, in this case) are not shown.

For each property being compared, the top bar is A206.0 aluminum and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 4.2 to 10
9.1
Fatigue Strength, MPa 90 to 180
480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 260
560
Tensile Strength: Ultimate (UTS), MPa 390 to 440
940
Tensile Strength: Yield (Proof), MPa 250 to 380
850

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 670
1610
Melting Onset (Solidus), °C 550
1560
Specific Heat Capacity, J/kg-K 880
560
Thermal Conductivity, W/m-K 130
7.1
Thermal Expansion, µm/m-K 23
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 90
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.0
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 1150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
83
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
3440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 36 to 41
59
Strength to Weight: Bending, points 39 to 43
48
Thermal Diffusivity, mm2/s 48
2.9
Thermal Shock Resistance, points 17 to 19
67

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 4.2 to 5.0
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 0 to 0.1
0 to 0.25
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0