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AWS BMg-1 vs. 5049 Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while 5049 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS BMg-1 and the bottom bar is 5049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
69
Elongation at Break, % 3.8
2.0 to 18
Fatigue Strength, MPa 72
79 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 100
130 to 190
Tensile Strength: Ultimate (UTS), MPa 180
210 to 330
Tensile Strength: Yield (Proof), MPa 110
91 to 280

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 440
620
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 76
140
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
35
Electrical Conductivity: Equal Weight (Specific), % IACS 55
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.8
2.7
Embodied Carbon, kg CO2/kg material 22
8.5
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
6.0 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 120
59 to 570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 66
50
Strength to Weight: Axial, points 27
22 to 34
Strength to Weight: Bending, points 39
29 to 39
Thermal Diffusivity, mm2/s 43
56
Thermal Shock Resistance, points 10
9.3 to 15

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
94.7 to 97.9
Beryllium (Be), % 0.00020 to 0.00080
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.0050
0 to 0.5
Magnesium (Mg), % 86.1 to 89.8
1.6 to 2.5
Manganese (Mn), % 0.15 to 1.5
0.5 to 1.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0 to 0.4
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 1.7 to 2.3
0 to 0.2
Residuals, % 0 to 0.3
0 to 0.15