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AZ91E-T6 Magnesium vs. EN AC-45300-T6

AZ91E-T6 magnesium belongs to the magnesium alloys classification, while EN AC-45300-T6 belongs to the aluminum alloys. There are 30 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 AZ91E-T6 magnesium and the bottom bar is EN AC-45300-T6.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
120
Elastic (Young's, Tensile) Modulus, GPa 46
71
Elongation at Break, % 3.9
1.0
Fatigue Strength, MPa 84
72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Tensile Strength: Ultimate (UTS), MPa 260
290
Tensile Strength: Yield (Proof), MPa 130
230

Thermal Properties

Latent Heat of Fusion, J/g 350
470
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 500
590
Specific Heat Capacity, J/kg-K 990
890
Thermal Conductivity, W/m-K 84
150
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
36
Electrical Conductivity: Equal Weight (Specific), % IACS 58
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 22
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
2.7
Resilience: Unit (Modulus of Resilience), kJ/m3 190
390
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
50
Strength to Weight: Axial, points 42
29
Strength to Weight: Bending, points 53
35
Thermal Diffusivity, mm2/s 49
60
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 8.1 to 9.3
90.2 to 94.2
Copper (Cu), % 0 to 0.015
1.0 to 1.5
Iron (Fe), % 0 to 0.0050
0 to 0.65
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 88.8 to 91.3
0.35 to 0.65
Manganese (Mn), % 0.17 to 0.35
0 to 0.55
Nickel (Ni), % 0 to 0.0010
0 to 0.25
Silicon (Si), % 0 to 0.2
4.5 to 5.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0.4 to 1.0
0 to 0.15
Residuals, % 0
0 to 0.15