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AWS BMg-1 vs. EN AC-46100 Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while EN AC-46100 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-46100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
73
Elongation at Break, % 3.8
1.0
Fatigue Strength, MPa 72
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
28
Tensile Strength: Ultimate (UTS), MPa 180
270
Tensile Strength: Yield (Proof), MPa 110
160

Thermal Properties

Latent Heat of Fusion, J/g 350
550
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 440
540
Specific Heat Capacity, J/kg-K 980
890
Thermal Conductivity, W/m-K 76
110
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
28
Electrical Conductivity: Equal Weight (Specific), % IACS 55
90

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 1.8
2.7
Embodied Carbon, kg CO2/kg material 22
7.6
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 980
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 120
170
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 66
51
Strength to Weight: Axial, points 27
27
Strength to Weight: Bending, points 39
34
Thermal Diffusivity, mm2/s 43
44
Thermal Shock Resistance, points 10
12

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
80.4 to 88.5
Beryllium (Be), % 0.00020 to 0.00080
0
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.050
1.5 to 2.5
Iron (Fe), % 0 to 0.0050
0 to 1.1
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 86.1 to 89.8
0 to 0.3
Manganese (Mn), % 0.15 to 1.5
0 to 0.55
Nickel (Ni), % 0 to 0.0050
0 to 0.45
Silicon (Si), % 0 to 0.050
10 to 12
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 1.7 to 2.3
0 to 1.7
Residuals, % 0 to 0.3
0 to 0.25