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AWS BMg-1 vs. CC334G Bronze

AWS BMg-1 belongs to the magnesium alloys classification, while CC334G bronze belongs to the copper alloys. There are 28 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 CC334G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
120
Elongation at Break, % 3.8
5.6
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
45
Tensile Strength: Ultimate (UTS), MPa 180
810
Tensile Strength: Yield (Proof), MPa 110
410

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 130
240
Melting Completion (Liquidus), °C 600
1080
Melting Onset (Solidus), °C 440
1020
Specific Heat Capacity, J/kg-K 980
450
Thermal Conductivity, W/m-K 76
41
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 55
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.8
8.2
Embodied Carbon, kg CO2/kg material 22
3.6
Embodied Energy, MJ/kg 160
59
Embodied Water, L/kg 980
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
38
Resilience: Unit (Modulus of Resilience), kJ/m3 120
710
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 66
20
Strength to Weight: Axial, points 27
28
Strength to Weight: Bending, points 39
24
Thermal Diffusivity, mm2/s 43
11
Thermal Shock Resistance, points 10
28

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
10 to 12
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
72 to 84.5
Iron (Fe), % 0 to 0.0050
3.0 to 7.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 86.1 to 89.8
0 to 0.050
Manganese (Mn), % 0.15 to 1.5
0 to 2.5
Nickel (Ni), % 0 to 0.0050
4.0 to 7.5
Silicon (Si), % 0 to 0.050
0 to 0.1
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 1.7 to 2.3
0 to 0.5
Residuals, % 0 to 0.3
0