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AWS BMg-1 vs. EN AC-42200 Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while EN AC-42200 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-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
70
Elongation at Break, % 3.8
3.0 to 6.7
Fatigue Strength, MPa 72
86 to 90
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Tensile Strength: Ultimate (UTS), MPa 180
320
Tensile Strength: Yield (Proof), MPa 110
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 350
500
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 440
600
Specific Heat Capacity, J/kg-K 980
910
Thermal Conductivity, W/m-K 76
150
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
40
Electrical Conductivity: Equal Weight (Specific), % IACS 55
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.8
2.6
Embodied Carbon, kg CO2/kg material 22
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 120
410 to 490
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 66
53
Strength to Weight: Axial, points 27
34 to 35
Strength to Weight: Bending, points 39
40 to 41
Thermal Diffusivity, mm2/s 43
66
Thermal Shock Resistance, points 10
15

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
91 to 93.1
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
0 to 0.050
Iron (Fe), % 0 to 0.0050
0 to 0.19
Magnesium (Mg), % 86.1 to 89.8
0.45 to 0.7
Manganese (Mn), % 0.15 to 1.5
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 1.7 to 2.3
0 to 0.070
Residuals, % 0 to 0.3
0 to 0.1