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EN AC-51200 Aluminum vs. R56406 Titanium

EN AC-51200 aluminum belongs to the aluminum alloys classification, while R56406 titanium belongs to the titanium alloys. There are 29 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 EN AC-51200 aluminum and the bottom bar is R56406 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
110
Elongation at Break, % 1.1
9.1
Fatigue Strength, MPa 100
480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
40
Tensile Strength: Ultimate (UTS), MPa 220
980
Tensile Strength: Yield (Proof), MPa 150
850

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 570
1560
Specific Heat Capacity, J/kg-K 910
560
Thermal Conductivity, W/m-K 92
7.1
Thermal Expansion, µm/m-K 23
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 74
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 9.6
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 1150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
85
Resilience: Unit (Modulus of Resilience), kJ/m3 160
3420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 24
61
Strength to Weight: Bending, points 31
49
Thermal Diffusivity, mm2/s 39
2.8
Thermal Shock Resistance, points 10
69

Alloy Composition

Aluminum (Al), % 84.5 to 92
5.5 to 6.8
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.3
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 8.0 to 10.5
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 2.5
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0