MakeItFrom.com
Menu (ESC)

4006-T4 Aluminum vs. AZ91E-T4 Magnesium

4006-T4 aluminum belongs to the aluminum alloys classification, while AZ91E-T4 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 4006-T4 aluminum and the bottom bar is AZ91E-T4 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 35
75
Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 20
6.2
Fatigue Strength, MPa 35
85
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 86
140
Tensile Strength: Ultimate (UTS), MPa 140
250
Tensile Strength: Yield (Proof), MPa 62
98

Thermal Properties

Latent Heat of Fusion, J/g 410
350
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 620
500
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 220
84
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
10
Electrical Conductivity: Equal Weight (Specific), % IACS 180
52

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.1
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
12
Resilience: Unit (Modulus of Resilience), kJ/m3 28
110
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
69
Strength to Weight: Axial, points 14
40
Strength to Weight: Bending, points 22
51
Thermal Diffusivity, mm2/s 89
49
Thermal Shock Resistance, points 6.1
14

Alloy Composition

Aluminum (Al), % 97.4 to 98.7
8.1 to 9.3
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.015
Iron (Fe), % 0.5 to 0.8
0 to 0.0050
Magnesium (Mg), % 0 to 0.010
88.8 to 91.3
Manganese (Mn), % 0 to 0.050
0.17 to 0.35
Nickel (Ni), % 0
0 to 0.0010
Silicon (Si), % 0.8 to 1.2
0 to 0.2
Zinc (Zn), % 0 to 0.050
0.4 to 1.0
Residuals, % 0
0 to 0.3