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EN AC-21200 Aluminum vs. Grade Ti-Pd18 Titanium

EN AC-21200 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd18 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-21200 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 130
320
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 3.9 to 6.2
17
Fatigue Strength, MPa 110 to 130
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 410 to 440
710
Tensile Strength: Yield (Proof), MPa 270 to 360
540

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 170
330
Melting Completion (Liquidus), °C 660
1640
Melting Onset (Solidus), °C 550
1590
Specific Heat Capacity, J/kg-K 880
550
Thermal Conductivity, W/m-K 130
8.2
Thermal Expansion, µm/m-K 23
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.7

Otherwise Unclassified Properties

Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.0
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 1150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
110
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 930
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 38 to 40
44
Strength to Weight: Bending, points 41 to 43
39
Thermal Diffusivity, mm2/s 49
3.3
Thermal Shock Resistance, points 18 to 19
52

Alloy Composition

Aluminum (Al), % 93.3 to 95.7
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0.15 to 0.5
0
Manganese (Mn), % 0.2 to 0.5
0
Nickel (Ni), % 0 to 0.050
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.1
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4