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AM100A-T61 Magnesium vs. C355.0-T61 Aluminum

AM100A-T61 magnesium belongs to the magnesium alloys classification, while C355.0-T61 aluminum belongs to the aluminum 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 AM100A-T61 magnesium and the bottom bar is C355.0-T61 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
70
Elongation at Break, % 1.0
2.7
Fatigue Strength, MPa 70
76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Tensile Strength: Ultimate (UTS), MPa 270
310
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 350
470
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 590
620
Melting Onset (Solidus), °C 460
570
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 73
150
Thermal Expansion, µm/m-K 25
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
39
Electrical Conductivity: Equal Weight (Specific), % IACS 59
130

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 1000
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
7.5
Resilience: Unit (Modulus of Resilience), kJ/m3 210
380
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 70
51
Strength to Weight: Axial, points 44
32
Strength to Weight: Bending, points 54
37
Thermal Diffusivity, mm2/s 43
60
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 9.3 to 10.7
91.7 to 94.1
Copper (Cu), % 0 to 0.1
1.0 to 1.5
Iron (Fe), % 0
0 to 0.2
Magnesium (Mg), % 87.9 to 90.6
0.4 to 0.6
Manganese (Mn), % 0.1 to 0.35
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.3
4.5 to 5.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.3
0 to 0.1
Residuals, % 0
0 to 0.15