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AWS BMg-1 vs. 1070A Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while 1070A 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 1070A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
68
Elongation at Break, % 3.8
2.3 to 33
Fatigue Strength, MPa 72
17 to 51
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 100
44 to 81
Tensile Strength: Ultimate (UTS), MPa 180
68 to 140
Tensile Strength: Yield (Proof), MPa 110
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 440
640
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 76
230
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
60
Electrical Conductivity: Equal Weight (Specific), % IACS 55
200

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
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
3.0 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 120
2.1 to 100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 66
50
Strength to Weight: Axial, points 27
7.0 to 14
Strength to Weight: Bending, points 39
14 to 22
Thermal Diffusivity, mm2/s 43
94
Thermal Shock Resistance, points 10
3.1 to 6.3

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
99.7 to 100
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
0 to 0.030
Iron (Fe), % 0 to 0.0050
0 to 0.25
Magnesium (Mg), % 86.1 to 89.8
0 to 0.030
Manganese (Mn), % 0.15 to 1.5
0 to 0.030
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0 to 0.2
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 1.7 to 2.3
0 to 0.070
Residuals, % 0 to 0.3
0