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C63000 Bronze vs. ZK61A Magnesium

C63000 bronze belongs to the copper alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C63000 bronze and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
46
Elongation at Break, % 7.9 to 15
5.8 to 7.1
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
18
Shear Strength, MPa 400 to 470
170 to 180
Tensile Strength: Ultimate (UTS), MPa 660 to 790
290 to 310
Tensile Strength: Yield (Proof), MPa 330 to 390
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 230
120
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 1040
530
Specific Heat Capacity, J/kg-K 440
960
Thermal Conductivity, W/m-K 39
120
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
29
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
130

Otherwise Unclassified Properties

Base Metal Price, % relative 29
13
Density, g/cm3 8.2
1.9
Embodied Carbon, kg CO2/kg material 3.5
23
Embodied Energy, MJ/kg 57
160
Embodied Water, L/kg 390
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 82
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 640
370 to 420
Stiffness to Weight: Axial, points 7.9
13
Stiffness to Weight: Bending, points 20
62
Strength to Weight: Axial, points 22 to 26
42 to 45
Strength to Weight: Bending, points 20 to 23
50 to 53
Thermal Diffusivity, mm2/s 11
65
Thermal Shock Resistance, points 23 to 27
17 to 18

Alloy Composition

Aluminum (Al), % 9.0 to 11
0
Copper (Cu), % 76.8 to 85
0 to 0.1
Iron (Fe), % 2.0 to 4.0
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.0 to 5.5
0 to 0.010
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0 to 0.2
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