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C95300 Bronze vs. ZK51A Magnesium

C95300 bronze belongs to the copper alloys classification, while ZK51A magnesium belongs to the magnesium 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 C95300 bronze and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 14 to 25
4.7
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 42
18
Tensile Strength: Ultimate (UTS), MPa 520 to 610
240
Tensile Strength: Yield (Proof), MPa 190 to 310
150

Thermal Properties

Latent Heat of Fusion, J/g 230
340
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 1040
550
Specific Heat Capacity, J/kg-K 440
970
Thermal Conductivity, W/m-K 63
110
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
28
Electrical Conductivity: Equal Weight (Specific), % IACS 14
140

Otherwise Unclassified Properties

Base Metal Price, % relative 28
13
Density, g/cm3 8.3
1.8
Embodied Carbon, kg CO2/kg material 3.1
24
Embodied Energy, MJ/kg 52
160
Embodied Water, L/kg 390
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
10
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 420
260
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
64
Strength to Weight: Axial, points 17 to 21
36
Strength to Weight: Bending, points 17 to 19
47
Thermal Diffusivity, mm2/s 17
61
Thermal Shock Resistance, points 19 to 22
15

Alloy Composition

Aluminum (Al), % 9.0 to 11
0
Copper (Cu), % 86.5 to 90.2
0 to 0.1
Iron (Fe), % 0.8 to 1.5
0
Magnesium (Mg), % 0
93.1 to 95.9
Nickel (Ni), % 0
0 to 0.010
Zinc (Zn), % 0
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3