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6101-T6 Aluminum vs. EN-MC21120-T6

6101-T6 aluminum belongs to the aluminum alloys classification, while EN-MC21120-T6 belongs to the magnesium alloys.

For each property being compared, the top bar is 6101-T6 aluminum and the bottom bar is EN-MC21120-T6.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 71
75
Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 15
2.2
Fatigue Strength, MPa 88
96
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 140
150
Tensile Strength: Ultimate (UTS), MPa 220
270
Tensile Strength: Yield (Proof), MPa 200
170

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 620
490
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 220
76
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 57
11
Electrical Conductivity: Equal Weight (Specific), % IACS 190
59

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.3
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
5.3
Resilience: Unit (Modulus of Resilience), kJ/m3 280
320
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
69
Strength to Weight: Axial, points 23
43
Strength to Weight: Bending, points 30
53
Thermal Diffusivity, mm2/s 89
44
Thermal Shock Resistance, points 9.9
16

Alloy Composition

Aluminum (Al), % 97.6 to 99.4
8.3 to 9.7
Boron (B), % 0 to 0.060
0
Chromium (Cr), % 0 to 0.030
0
Copper (Cu), % 0 to 0.1
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.0050
Magnesium (Mg), % 0.35 to 0.8
88.6 to 91.3
Manganese (Mn), % 0 to 0.030
0.1 to 0.5
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0.3 to 0.7
0 to 0.2
Zinc (Zn), % 0 to 0.1
0.35 to 1.0
Residuals, % 0
0 to 0.010