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6182 Aluminum vs. AWS BMg-1

6182 aluminum belongs to the aluminum alloys classification, while AWS BMg-1 belongs to the magnesium 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 6182 aluminum and the bottom bar is AWS BMg-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
47
Elongation at Break, % 6.8 to 13
3.8
Fatigue Strength, MPa 63 to 99
72
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 140 to 190
100
Tensile Strength: Ultimate (UTS), MPa 230 to 320
180
Tensile Strength: Yield (Proof), MPa 130 to 270
110

Thermal Properties

Latent Heat of Fusion, J/g 410
350
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 600
440
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 160
76
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11
Electrical Conductivity: Equal Weight (Specific), % IACS 130
55

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 8.4
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1170
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
66
Strength to Weight: Axial, points 23 to 32
27
Strength to Weight: Bending, points 30 to 38
39
Thermal Diffusivity, mm2/s 65
43
Thermal Shock Resistance, points 10 to 14
10

Alloy Composition

Aluminum (Al), % 95 to 97.9
8.3 to 9.7
Beryllium (Be), % 0
0.00020 to 0.00080
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.5
0 to 0.0050
Magnesium (Mg), % 0.7 to 1.2
86.1 to 89.8
Manganese (Mn), % 0.5 to 1.0
0.15 to 1.5
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0.9 to 1.3
0 to 0.050
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
1.7 to 2.3
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.3