MakeItFrom.com
Menu (ESC)

ZK51A Magnesium vs. 2219 Aluminum

ZK51A magnesium belongs to the magnesium alloys classification, while 2219 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ZK51A magnesium and the bottom bar is 2219 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
72
Elongation at Break, % 4.7
2.2 to 20
Fatigue Strength, MPa 62
90 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Shear Strength, MPa 160
110 to 280
Tensile Strength: Ultimate (UTS), MPa 240
180 to 480
Tensile Strength: Yield (Proof), MPa 150
88 to 390

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 120
230
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 110
110 to 170
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
28 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 140
81 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 1.8
3.1
Embodied Carbon, kg CO2/kg material 24
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 940
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
9.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 260
54 to 1060
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 64
44
Strength to Weight: Axial, points 36
16 to 43
Strength to Weight: Bending, points 47
23 to 44
Thermal Diffusivity, mm2/s 61
42 to 63
Thermal Shock Resistance, points 15
8.2 to 22

Alloy Composition

Aluminum (Al), % 0
91.5 to 93.8
Copper (Cu), % 0 to 0.1
5.8 to 6.8
Iron (Fe), % 0
0 to 0.3
Magnesium (Mg), % 93.1 to 95.9
0 to 0.020
Manganese (Mn), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 0
0.020 to 0.1
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 3.6 to 5.5
0 to 0.1
Zirconium (Zr), % 0.5 to 1.0
0.1 to 0.25
Residuals, % 0
0 to 0.15