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AWS BMg-1 vs. C11000 Copper

AWS BMg-1 belongs to the magnesium alloys classification, while C11000 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS BMg-1 and the bottom bar is C11000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
120
Elongation at Break, % 3.8
1.5 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 100
150 to 230
Tensile Strength: Ultimate (UTS), MPa 180
220 to 410
Tensile Strength: Yield (Proof), MPa 110
69 to 390

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 600
1080
Melting Onset (Solidus), °C 440
1070
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 76
390
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
100
Electrical Conductivity: Equal Weight (Specific), % IACS 55
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.8
9.0
Embodied Carbon, kg CO2/kg material 22
2.6
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 980
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
6.1 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 120
21 to 640
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 66
18
Strength to Weight: Axial, points 27
6.8 to 13
Strength to Weight: Bending, points 39
9.0 to 14
Thermal Diffusivity, mm2/s 43
110
Thermal Shock Resistance, points 10
8.0 to 15

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
0
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
99.9 to 100
Iron (Fe), % 0 to 0.0050
0
Magnesium (Mg), % 86.1 to 89.8
0
Manganese (Mn), % 0.15 to 1.5
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0
Zinc (Zn), % 1.7 to 2.3
0
Residuals, % 0 to 0.3
0 to 0.1