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AWS BMg-1 vs. EN AC-48100 Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while EN AC-48100 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-48100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
76
Elongation at Break, % 3.8
1.1
Fatigue Strength, MPa 72
120 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
29
Tensile Strength: Ultimate (UTS), MPa 180
240 to 330
Tensile Strength: Yield (Proof), MPa 110
190 to 300

Thermal Properties

Latent Heat of Fusion, J/g 350
640
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
580
Melting Onset (Solidus), °C 440
470
Specific Heat Capacity, J/kg-K 980
880
Thermal Conductivity, W/m-K 76
130
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 55
87

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.8
2.8
Embodied Carbon, kg CO2/kg material 22
7.3
Embodied Energy, MJ/kg 160
130
Embodied Water, L/kg 980
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
2.3 to 3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 120
250 to 580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 66
51
Strength to Weight: Axial, points 27
24 to 33
Strength to Weight: Bending, points 39
31 to 38
Thermal Diffusivity, mm2/s 43
55
Thermal Shock Resistance, points 10
11 to 16

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
72.1 to 79.8
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
4.0 to 5.0
Iron (Fe), % 0 to 0.0050
0 to 1.3
Magnesium (Mg), % 86.1 to 89.8
0.25 to 0.65
Manganese (Mn), % 0.15 to 1.5
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Silicon (Si), % 0 to 0.050
16 to 18
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 1.7 to 2.3
0 to 1.5
Residuals, % 0 to 0.3
0 to 0.25