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A206.0 Aluminum vs. Grade 4 Titanium

A206.0 aluminum belongs to the aluminum alloys classification, while grade 4 titanium belongs to the titanium alloys. There are 31 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 grade 4 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
200
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 4.2 to 10
17
Fatigue Strength, MPa 90 to 180
340
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 260
390
Tensile Strength: Ultimate (UTS), MPa 390 to 440
640
Tensile Strength: Yield (Proof), MPa 250 to 380
530

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 670
1660
Melting Onset (Solidus), °C 550
1610
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 130
19
Thermal Expansion, µm/m-K 23
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 90
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.0
31
Embodied Energy, MJ/kg 150
500
Embodied Water, L/kg 1150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
100
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
1330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 36 to 41
40
Strength to Weight: Bending, points 39 to 43
37
Thermal Diffusivity, mm2/s 48
7.6
Thermal Shock Resistance, points 17 to 19
46

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 4.2 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.5
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 0.4
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
98.6 to 100
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4