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AWS BMg-1 vs. 1100 Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while 1100 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS BMg-1 and the bottom bar is 1100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
69
Elongation at Break, % 3.8
1.1 to 32
Fatigue Strength, MPa 72
32 to 71
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 100
54 to 95
Tensile Strength: Ultimate (UTS), MPa 180
86 to 170
Tensile Strength: Yield (Proof), MPa 110
28 to 150

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 600
660
Melting Onset (Solidus), °C 440
640
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 76
220
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
59
Electrical Conductivity: Equal Weight (Specific), % IACS 55
190

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.0
Density, g/cm3 1.8
2.7
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
0.76 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 120
5.7 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 66
50
Strength to Weight: Axial, points 27
8.7 to 17
Strength to Weight: Bending, points 39
16 to 25
Thermal Diffusivity, mm2/s 43
90
Thermal Shock Resistance, points 10
3.7 to 7.4

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
99 to 99.95
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
0.050 to 0.2
Iron (Fe), % 0 to 0.0050
0 to 1.0
Magnesium (Mg), % 86.1 to 89.8
0
Manganese (Mn), % 0.15 to 1.5
0 to 0.050
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0 to 1.0
Zinc (Zn), % 1.7 to 2.3
0 to 0.1
Residuals, % 0 to 0.3
0 to 0.15