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295.0-T6 Aluminum vs. AZ91E-T6 Magnesium

295.0-T6 aluminum belongs to the aluminum alloys classification, while AZ91E-T6 magnesium belongs to the magnesium alloys. There are 32 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 295.0-T6 aluminum and the bottom bar is AZ91E-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
75
Elastic (Young's, Tensile) Modulus, GPa 71
46
Elongation at Break, % 3.8
3.9
Fatigue Strength, MPa 50
84
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 210
150
Tensile Strength: Ultimate (UTS), MPa 250
260
Tensile Strength: Yield (Proof), MPa 160
130

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 530
500
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 140
84
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100
58

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 7.9
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 180
190
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
69
Strength to Weight: Axial, points 23
42
Strength to Weight: Bending, points 29
53
Thermal Diffusivity, mm2/s 54
49
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 91.4 to 95.3
8.1 to 9.3
Copper (Cu), % 4.0 to 5.0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.0050
Magnesium (Mg), % 0 to 0.030
88.8 to 91.3
Manganese (Mn), % 0 to 0.35
0.17 to 0.35
Nickel (Ni), % 0
0 to 0.0010
Silicon (Si), % 0.7 to 1.5
0 to 0.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0.4 to 1.0
Residuals, % 0
0 to 0.3