MakeItFrom.com
Menu (ESC)

7049A Aluminum vs. ISO-WD32260 Magnesium

7049A aluminum belongs to the aluminum alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 7049A aluminum and the bottom bar is ISO-WD32260 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
46
Elongation at Break, % 5.0 to 5.7
4.5 to 6.0
Fatigue Strength, MPa 180
150 to 190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 340 to 350
190 to 200
Tensile Strength: Ultimate (UTS), MPa 580 to 590
330 to 340
Tensile Strength: Yield (Proof), MPa 500 to 530
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 430
520
Specific Heat Capacity, J/kg-K 850
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
28
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1100
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
560 to 700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
63
Strength to Weight: Axial, points 52 to 53
48 to 51
Strength to Weight: Bending, points 50 to 51
56 to 58
Thermal Diffusivity, mm2/s 50
63
Thermal Shock Resistance, points 25
19 to 20

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
0
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 2.1 to 3.1
92.7 to 94.8
Manganese (Mn), % 0 to 0.5
0
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
4.8 to 6.2
Zirconium (Zr), % 0 to 0.25
0.45 to 0.8
Residuals, % 0
0 to 0.3

Comparable Variants