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AWS BMg-1 vs. EN AC-71100 Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
72
Elongation at Break, % 3.8
1.1
Fatigue Strength, MPa 72
150
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
27
Tensile Strength: Ultimate (UTS), MPa 180
260
Tensile Strength: Yield (Proof), MPa 110
230

Thermal Properties

Latent Heat of Fusion, J/g 350
490
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
580
Melting Onset (Solidus), °C 440
520
Specific Heat Capacity, J/kg-K 980
860
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
32
Electrical Conductivity: Equal Weight (Specific), % IACS 55
97

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.8
2.9
Embodied Carbon, kg CO2/kg material 22
7.4
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 980
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 120
360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 66
47
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 39
31
Thermal Shock Resistance, points 10
12

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
78.7 to 83.3
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 0.3
Magnesium (Mg), % 86.1 to 89.8
0.2 to 0.5
Manganese (Mn), % 0.15 to 1.5
0 to 0.15
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
7.5 to 9.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 1.7 to 2.3
9.0 to 10.5
Residuals, % 0
0 to 0.15