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EN AC-21000 Aluminum vs. Grade 1 Titanium

EN AC-21000 aluminum belongs to the aluminum alloys classification, while grade 1 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 EN AC-21000 aluminum and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
120
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 6.7
28
Fatigue Strength, MPa 100
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 340
310
Tensile Strength: Yield (Proof), MPa 240
220

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
20
Thermal Expansion, µm/m-K 23
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.3

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
510
Embodied Water, L/kg 1150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
79
Resilience: Unit (Modulus of Resilience), kJ/m3 390
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 32
19
Strength to Weight: Bending, points 36
23
Thermal Diffusivity, mm2/s 49
8.2
Thermal Shock Resistance, points 15
24

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
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 0.35
0 to 0.2
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
99.095 to 100
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4