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5019 Aluminum vs. AWS BMg-1

5019 aluminum belongs to the aluminum alloys classification, while AWS BMg-1 belongs to the magnesium 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 5019 aluminum and the bottom bar is AWS BMg-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
47
Elongation at Break, % 2.2 to 18
3.8
Fatigue Strength, MPa 100 to 160
72
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 170 to 210
100
Tensile Strength: Ultimate (UTS), MPa 280 to 360
180
Tensile Strength: Yield (Proof), MPa 120 to 300
110

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 540
440
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 130
76
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
11
Electrical Conductivity: Equal Weight (Specific), % IACS 98
55

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 9.0
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 40
5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 650
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
66
Strength to Weight: Axial, points 29 to 38
27
Strength to Weight: Bending, points 35 to 42
39
Thermal Diffusivity, mm2/s 52
43
Thermal Shock Resistance, points 13 to 16
10

Alloy Composition

Aluminum (Al), % 91.5 to 95.3
8.3 to 9.7
Beryllium (Be), % 0
0.00020 to 0.00080
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.5
0 to 0.0050
Magnesium (Mg), % 4.5 to 5.6
86.1 to 89.8
Manganese (Mn), % 0.1 to 0.6
0.15 to 1.5
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.4
0 to 0.050
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
1.7 to 2.3
Residuals, % 0
0 to 0.3