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A357.0 Aluminum vs. Grade 12 Titanium

A357.0 aluminum belongs to the aluminum alloys classification, while grade 12 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is A357.0 aluminum and the bottom bar is grade 12 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
170
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.7
21
Fatigue Strength, MPa 100
280
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
39
Shear Strength, MPa 240
330
Tensile Strength: Ultimate (UTS), MPa 350
530
Tensile Strength: Yield (Proof), MPa 270
410

Thermal Properties

Latent Heat of Fusion, J/g 500
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 610
1660
Melting Onset (Solidus), °C 560
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 160
21
Thermal Expansion, µm/m-K 21
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
37
Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 8.2
31
Embodied Energy, MJ/kg 150
500
Embodied Water, L/kg 1110
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
110
Resilience: Unit (Modulus of Resilience), kJ/m3 520
770
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
35
Strength to Weight: Axial, points 38
32
Strength to Weight: Bending, points 43
32
Thermal Diffusivity, mm2/s 68
8.5
Thermal Shock Resistance, points 17
37

Alloy Composition

Aluminum (Al), % 90.8 to 93
0
Beryllium (Be), % 0.040 to 0.070
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.3
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0.6 to 0.9
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0.040 to 0.2
97.6 to 99.2
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4