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AWS BMg-1 vs. EN AC-43100 Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while EN AC-43100 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS BMg-1 and the bottom bar is EN AC-43100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
71
Elongation at Break, % 3.8
1.1 to 2.5
Fatigue Strength, MPa 72
68 to 76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Tensile Strength: Ultimate (UTS), MPa 180
180 to 270
Tensile Strength: Yield (Proof), MPa 110
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 350
540
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 440
590
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 76
140
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
37
Electrical Conductivity: Equal Weight (Specific), % IACS 55
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.8
2.6
Embodied Carbon, kg CO2/kg material 22
7.8
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 120
66 to 360
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 66
54
Strength to Weight: Axial, points 27
20 to 29
Strength to Weight: Bending, points 39
28 to 36
Thermal Diffusivity, mm2/s 43
60
Thermal Shock Resistance, points 10
8.6 to 12

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
86.9 to 90.8
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.0050
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 86.1 to 89.8
0.2 to 0.45
Manganese (Mn), % 0.15 to 1.5
0 to 0.45
Nickel (Ni), % 0 to 0.0050
0 to 0.050
Silicon (Si), % 0 to 0.050
9.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 1.7 to 2.3
0 to 0.1
Residuals, % 0 to 0.3
0 to 0.15