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CC212E Bronze vs. ZK51A Magnesium

CC212E bronze belongs to the copper alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 CC212E bronze and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
45
Elongation at Break, % 20
4.7
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 47
18
Tensile Strength: Ultimate (UTS), MPa 710
240
Tensile Strength: Yield (Proof), MPa 310
150

Thermal Properties

Latent Heat of Fusion, J/g 230
340
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1020
550
Specific Heat Capacity, J/kg-K 440
970
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
140

Otherwise Unclassified Properties

Base Metal Price, % relative 27
13
Density, g/cm3 8.2
1.8
Embodied Carbon, kg CO2/kg material 3.4
24
Embodied Energy, MJ/kg 55
160
Embodied Water, L/kg 370
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
10
Resilience: Unit (Modulus of Resilience), kJ/m3 390
260
Stiffness to Weight: Axial, points 8.5
14
Stiffness to Weight: Bending, points 20
64
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 21
47
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 7.0 to 9.0
0
Copper (Cu), % 68 to 77
0 to 0.1
Iron (Fe), % 2.0 to 4.0
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.050
93.1 to 95.9
Manganese (Mn), % 8.0 to 15
0
Nickel (Ni), % 1.5 to 4.5
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 1.0
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3