MakeItFrom.com
Menu (ESC)

AZ91A Magnesium vs. 5454 Aluminum

AZ91A magnesium belongs to the magnesium alloys classification, while 5454 aluminum belongs to the aluminum alloys. There are 31 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 AZ91A magnesium and the bottom bar is 5454 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
61 to 93
Elastic (Young's, Tensile) Modulus, GPa 46
69
Elongation at Break, % 5.0
2.3 to 18
Fatigue Strength, MPa 99
83 to 160
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 140
140 to 200
Tensile Strength: Ultimate (UTS), MPa 240
230 to 350
Tensile Strength: Yield (Proof), MPa 160
97 to 290

Thermal Properties

Latent Heat of Fusion, J/g 360
400
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 470
600
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 73
130
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
34
Electrical Conductivity: Equal Weight (Specific), % IACS 52
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 22
8.6
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
6.3 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 280
68 to 590
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
50
Strength to Weight: Axial, points 38
23 to 36
Strength to Weight: Bending, points 49
30 to 41
Thermal Diffusivity, mm2/s 42
55
Thermal Shock Resistance, points 14
10 to 16

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
94.5 to 97.1
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0
0 to 0.4
Magnesium (Mg), % 88.2 to 91.2
2.4 to 3.0
Manganese (Mn), % 0.13 to 0.5
0.5 to 1.0
Nickel (Ni), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.25
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.35 to 1.0
0 to 0.25
Residuals, % 0
0 to 0.15