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C99600 Bronze vs. ZK61A Magnesium

C99600 bronze belongs to the copper alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 C99600 bronze and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
46
Elongation at Break, % 27 to 34
5.8 to 7.1
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 56
18
Tensile Strength: Ultimate (UTS), MPa 560
290 to 310
Tensile Strength: Yield (Proof), MPa 250 to 300
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1100
640
Melting Onset (Solidus), °C 1050
530
Specific Heat Capacity, J/kg-K 440
960
Thermal Expansion, µm/m-K 19
27

Otherwise Unclassified Properties

Base Metal Price, % relative 22
13
Density, g/cm3 8.1
1.9
Embodied Carbon, kg CO2/kg material 3.2
23
Embodied Energy, MJ/kg 51
160
Embodied Water, L/kg 300
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 310
370 to 420
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 22
62
Strength to Weight: Axial, points 19
42 to 45
Strength to Weight: Bending, points 19
50 to 53
Thermal Shock Resistance, points 14
17 to 18

Alloy Composition

Aluminum (Al), % 1.0 to 2.8
0
Carbon (C), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 50.8 to 60
0 to 0.1
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 39 to 45
0
Nickel (Ni), % 0 to 0.2
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3