MakeItFrom.com
Menu (ESC)

7116 Aluminum vs. ISO-WD32350 Magnesium

7116 aluminum belongs to the aluminum alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 7116 aluminum and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 7.8
5.7 to 10
Fatigue Strength, MPa 160
120 to 130
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 220
150 to 170
Tensile Strength: Ultimate (UTS), MPa 370
250 to 290
Tensile Strength: Yield (Proof), MPa 330
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 380
340
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.9
1.7
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 790
210 to 380
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
68
Strength to Weight: Axial, points 35
39 to 46
Strength to Weight: Bending, points 39
50 to 55
Thermal Diffusivity, mm2/s 58
73
Thermal Shock Resistance, points 16
16 to 18

Alloy Composition

Aluminum (Al), % 91.5 to 94.5
0 to 0.1
Copper (Cu), % 0.5 to 1.1
0 to 0.1
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.060
Magnesium (Mg), % 0.8 to 1.4
95.7 to 97.7
Manganese (Mn), % 0 to 0.050
0.6 to 1.3
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.15
0 to 0.1
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
1.8 to 2.3
Residuals, % 0
0 to 0.3