MakeItFrom.com
Menu (ESC)

AM60B Magnesium vs. 2218 Aluminum

AM60B magnesium belongs to the magnesium alloys classification, while 2218 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is AM60B magnesium and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
95 to 110
Elastic (Young's, Tensile) Modulus, GPa 45
73
Elongation at Break, % 11
6.8 to 10
Fatigue Strength, MPa 96
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 140
210 to 250
Tensile Strength: Ultimate (UTS), MPa 230
330 to 430
Tensile Strength: Yield (Proof), MPa 130
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 350
390
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 540
510
Specific Heat Capacity, J/kg-K 1000
870
Thermal Conductivity, W/m-K 61
140
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
37
Electrical Conductivity: Equal Weight (Specific), % IACS 72
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.7
3.1
Embodied Carbon, kg CO2/kg material 23
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 190
450 to 650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
45
Strength to Weight: Axial, points 38
30 to 39
Strength to Weight: Bending, points 50
34 to 41
Thermal Diffusivity, mm2/s 37
52
Thermal Shock Resistance, points 14
15 to 19

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
88.8 to 93.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.010
3.5 to 4.5
Iron (Fe), % 0 to 0.0050
0 to 1.0
Magnesium (Mg), % 92.6 to 94.3
1.2 to 1.8
Manganese (Mn), % 0.24 to 0.6
0 to 0.2
Nickel (Ni), % 0 to 0.0020
1.7 to 2.3
Silicon (Si), % 0 to 0.1
0 to 0.9
Zinc (Zn), % 0 to 0.22
0 to 0.25
Residuals, % 0
0 to 0.15