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EN AC-71100 Aluminum vs. Grade C-6 Titanium

EN AC-71100 aluminum belongs to the aluminum alloys classification, while grade C-6 titanium belongs to the titanium alloys. There are 28 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-71100 aluminum and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
290
Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 1.1
9.0
Fatigue Strength, MPa 150
460
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 260
890
Tensile Strength: Yield (Proof), MPa 230
830

Thermal Properties

Latent Heat of Fusion, J/g 490
410
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 580
1580
Melting Onset (Solidus), °C 520
1530
Specific Heat Capacity, J/kg-K 860
550
Thermal Expansion, µm/m-K 22
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 97
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.4
30
Embodied Energy, MJ/kg 140
480
Embodied Water, L/kg 1010
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
78
Resilience: Unit (Modulus of Resilience), kJ/m3 360
3300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
35
Strength to Weight: Axial, points 25
55
Strength to Weight: Bending, points 31
46
Thermal Shock Resistance, points 12
63

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
4.0 to 6.0
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 0.3
0 to 0.5
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 7.5 to 9.5
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0 to 0.15
89.7 to 94
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0
0 to 0.4