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AWS BMg-1 vs. 5182 Aluminum

AWS BMg-1 belongs to the magnesium alloys classification, while 5182 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS BMg-1 and the bottom bar is 5182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
68
Elongation at Break, % 3.8
1.1 to 12
Fatigue Strength, MPa 72
100 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
25
Shear Strength, MPa 100
170 to 240
Tensile Strength: Ultimate (UTS), MPa 180
280 to 420
Tensile Strength: Yield (Proof), MPa 110
130 to 360

Thermal Properties

Latent Heat of Fusion, J/g 350
390
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 440
590
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 76
130
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
28
Electrical Conductivity: Equal Weight (Specific), % IACS 55
94

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.8
2.7
Embodied Carbon, kg CO2/kg material 22
8.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
2.6 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 120
120 to 950
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 66
51
Strength to Weight: Axial, points 27
29 to 44
Strength to Weight: Bending, points 39
36 to 47
Thermal Diffusivity, mm2/s 43
53
Thermal Shock Resistance, points 10
12 to 19

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
93.2 to 95.8
Beryllium (Be), % 0.00020 to 0.00080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.050
0 to 0.15
Iron (Fe), % 0 to 0.0050
0 to 0.35
Magnesium (Mg), % 86.1 to 89.8
4.0 to 5.0
Manganese (Mn), % 0.15 to 1.5
0.2 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0 to 0.2
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 1.7 to 2.3
0 to 0.25
Residuals, % 0 to 0.3
0 to 0.15