MakeItFrom.com
Menu (ESC)

EN-MC65120 Magnesium vs. 705.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 705.0 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 EN-MC65120 magnesium and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
62 to 65
Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 3.1
8.4 to 10
Fatigue Strength, MPa 80
63 to 98
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 160
240 to 260
Tensile Strength: Yield (Proof), MPa 110
130

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 520
610
Specific Heat Capacity, J/kg-K 970
890
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
34
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 25
8.4
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 140
120 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
49
Strength to Weight: Axial, points 23
24 to 26
Strength to Weight: Bending, points 34
31 to 32
Thermal Diffusivity, mm2/s 56
55
Thermal Shock Resistance, points 9.8
11

Alloy Composition

Aluminum (Al), % 0
92.3 to 98.6
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0 to 0.030
0 to 0.2
Iron (Fe), % 0 to 0.010
0 to 0.8
Magnesium (Mg), % 91.8 to 95.1
1.4 to 1.8
Manganese (Mn), % 0 to 0.15
0 to 0.6
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.2
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 3.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15