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C61000 Bronze vs. ZK51A Magnesium

C61000 bronze belongs to the copper alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C61000 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, % 29 to 50
4.7
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 42
18
Shear Strength, MPa 280 to 300
160
Tensile Strength: Ultimate (UTS), MPa 390 to 460
240
Tensile Strength: Yield (Proof), MPa 150 to 190
150

Thermal Properties

Latent Heat of Fusion, J/g 220
340
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 1040
640
Melting Onset (Solidus), °C 990
550
Specific Heat Capacity, J/kg-K 420
970
Thermal Conductivity, W/m-K 69
110
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
28
Electrical Conductivity: Equal Weight (Specific), % IACS 16
140

Otherwise Unclassified Properties

Base Metal Price, % relative 29
13
Density, g/cm3 8.5
1.8
Embodied Carbon, kg CO2/kg material 3.0
24
Embodied Energy, MJ/kg 49
160
Embodied Water, L/kg 370
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 160
10
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 160
260
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
64
Strength to Weight: Axial, points 13 to 15
36
Strength to Weight: Bending, points 14 to 16
47
Thermal Diffusivity, mm2/s 19
61
Thermal Shock Resistance, points 14 to 16
15

Alloy Composition

Aluminum (Al), % 6.0 to 8.5
0
Copper (Cu), % 90.2 to 94
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
93.1 to 95.9
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3