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K1A Magnesium vs. CC330G Bronze

K1A magnesium belongs to the magnesium alloys classification, while CC330G 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 K1A magnesium and the bottom bar is CC330G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
110
Elongation at Break, % 13
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
42
Tensile Strength: Ultimate (UTS), MPa 180
530
Tensile Strength: Yield (Proof), MPa 51
190

Thermal Properties

Latent Heat of Fusion, J/g 350
230
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 650
1050
Melting Onset (Solidus), °C 650
1000
Specific Heat Capacity, J/kg-K 1000
430
Thermal Conductivity, W/m-K 120
62
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
14
Electrical Conductivity: Equal Weight (Specific), % IACS 170
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
29
Density, g/cm3 1.6
8.4
Embodied Carbon, kg CO2/kg material 24
3.2
Embodied Energy, MJ/kg 170
52
Embodied Water, L/kg 970
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
82
Resilience: Unit (Modulus of Resilience), kJ/m3 30
170
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 73
19
Strength to Weight: Axial, points 31
18
Strength to Weight: Bending, points 43
17
Thermal Diffusivity, mm2/s 75
17
Thermal Shock Resistance, points 11
19

Alloy Composition


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Aluminum (Al), % 0
8.0 to 10.5
Copper (Cu), % 0
87 to 92
Iron (Fe), % 0
0 to 1.2
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 98.7 to 99.6
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
0 to 0.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0