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EN AC-42200 Aluminum vs. Grade 6 Titanium

EN AC-42200 aluminum belongs to the aluminum alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 29 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 EN AC-42200 aluminum and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 3.0 to 6.7
11
Fatigue Strength, MPa 86 to 90
290
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 320
890
Tensile Strength: Yield (Proof), MPa 240 to 260
840

Thermal Properties

Latent Heat of Fusion, J/g 500
410
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 610
1580
Melting Onset (Solidus), °C 600
1530
Specific Heat Capacity, J/kg-K 910
550
Thermal Conductivity, W/m-K 150
7.8
Thermal Expansion, µm/m-K 22
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 8.0
30
Embodied Energy, MJ/kg 150
480
Embodied Water, L/kg 1110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
92
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
3390
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
35
Strength to Weight: Axial, points 34 to 35
55
Strength to Weight: Bending, points 40 to 41
46
Thermal Diffusivity, mm2/s 66
3.2
Thermal Shock Resistance, points 15
65

Alloy Composition


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Aluminum (Al), % 91 to 93.1
4.0 to 6.0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.19
0 to 0.5
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 6.5 to 7.5
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0 to 0.25
89.8 to 94
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0 to 0.4