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3003 Aluminum vs. M1A Magnesium

3003 aluminum belongs to the aluminum alloys classification, while M1A magnesium belongs to the magnesium alloys. There are 30 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 3003 aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 1.1 to 28
5.5
Fatigue Strength, MPa 39 to 90
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 68 to 130
120
Tensile Strength: Ultimate (UTS), MPa 110 to 240
230
Tensile Strength: Yield (Proof), MPa 40 to 210
130

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 180
95
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 640
580
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 180
150
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
35
Electrical Conductivity: Equal Weight (Specific), % IACS 140
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 8.1
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
11
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
71
Strength to Weight: Axial, points 11 to 24
38
Strength to Weight: Bending, points 18 to 30
49
Thermal Diffusivity, mm2/s 71
88
Thermal Shock Resistance, points 4.7 to 10
13

Alloy Composition

Aluminum (Al), % 96.8 to 99
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 0.050 to 0.2
0 to 0.050
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0
97.2 to 98.8
Manganese (Mn), % 1.0 to 1.5
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.1
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.3