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C62400 Bronze vs. ZK60A Magnesium

C62400 bronze belongs to the copper alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C62400 bronze and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
46
Elongation at Break, % 11 to 14
4.5 to 9.9
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 42
18
Shear Strength, MPa 420 to 440
170 to 190
Tensile Strength: Ultimate (UTS), MPa 690 to 730
320 to 330
Tensile Strength: Yield (Proof), MPa 270 to 350
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1040
600
Melting Onset (Solidus), °C 1030
550
Specific Heat Capacity, J/kg-K 440
960
Thermal Conductivity, W/m-K 59
120
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 13
140

Otherwise Unclassified Properties

Base Metal Price, % relative 27
13
Density, g/cm3 8.2
1.9
Embodied Carbon, kg CO2/kg material 3.2
23
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 400
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 77
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 550
570 to 690
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 20
63
Strength to Weight: Axial, points 23 to 25
47 to 49
Strength to Weight: Bending, points 21 to 22
55 to 56
Thermal Diffusivity, mm2/s 16
66
Thermal Shock Resistance, points 25 to 26
19 to 20

Alloy Composition

Aluminum (Al), % 10 to 11.5
0
Copper (Cu), % 82.8 to 88
0
Iron (Fe), % 2.0 to 4.5
0
Magnesium (Mg), % 0
92.5 to 94.8
Manganese (Mn), % 0 to 0.3
0
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3