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AWS BMg-1 vs. C82600 Copper

AWS BMg-1 belongs to the magnesium alloys classification, while C82600 copper belongs to the copper alloys. There are 27 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 C82600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
120
Elongation at Break, % 3.8
1.0 to 20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
46
Tensile Strength: Ultimate (UTS), MPa 180
570 to 1140
Tensile Strength: Yield (Proof), MPa 110
320 to 1070

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 130
300
Melting Completion (Liquidus), °C 600
950
Melting Onset (Solidus), °C 440
860
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 76
130
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
19
Electrical Conductivity: Equal Weight (Specific), % IACS 55
20

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.7
Embodied Carbon, kg CO2/kg material 22
11
Embodied Energy, MJ/kg 160
180
Embodied Water, L/kg 980
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
11 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 120
430 to 4690
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 66
19
Strength to Weight: Axial, points 27
18 to 36
Strength to Weight: Bending, points 39
17 to 28
Thermal Diffusivity, mm2/s 43
37
Thermal Shock Resistance, points 10
19 to 39

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
0 to 0.15
Beryllium (Be), % 0.00020 to 0.00080
2.3 to 2.6
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.35 to 0.65
Copper (Cu), % 0 to 0.050
94.9 to 97.2
Iron (Fe), % 0 to 0.0050
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 86.1 to 89.8
0
Manganese (Mn), % 0.15 to 1.5
0
Nickel (Ni), % 0 to 0.0050
0 to 0.2
Silicon (Si), % 0 to 0.050
0.2 to 0.35
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 1.7 to 2.3
0 to 0.1
Residuals, % 0 to 0.3
0 to 0.5