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C53400 Bronze vs. ZK61A Magnesium

C53400 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 (9, 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 C53400 bronze and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
46
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 42
18
Tensile Strength: Ultimate (UTS), MPa 330 to 720
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 200
330
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 950
530
Specific Heat Capacity, J/kg-K 380
960
Thermal Conductivity, W/m-K 69
120
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
29
Electrical Conductivity: Equal Weight (Specific), % IACS 15
130

Otherwise Unclassified Properties

Base Metal Price, % relative 32
13
Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 3.0
23
Embodied Energy, MJ/kg 49
160
Embodied Water, L/kg 350
940

Common Calculations

Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 18
62
Strength to Weight: Axial, points 10 to 22
42 to 45
Strength to Weight: Bending, points 12 to 20
50 to 53
Thermal Diffusivity, mm2/s 21
65
Thermal Shock Resistance, points 12 to 26
17 to 18

Alloy Composition

Copper (Cu), % 91.8 to 95.7
0 to 0.1
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0.8 to 1.2
0
Magnesium (Mg), % 0
92.1 to 93.9
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 3.5 to 5.8
0
Zinc (Zn), % 0 to 0.3
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3