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ZK60A Magnesium vs. CC765S Brass

ZK60A magnesium belongs to the magnesium alloys classification, while CC765S brass belongs to the copper alloys. There are 28 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 ZK60A magnesium and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
110
Elongation at Break, % 4.5 to 9.9
21
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 18
42
Tensile Strength: Ultimate (UTS), MPa 320 to 330
540
Tensile Strength: Yield (Proof), MPa 230 to 250
220

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 120
140
Melting Completion (Liquidus), °C 600
860
Melting Onset (Solidus), °C 550
820
Specific Heat Capacity, J/kg-K 960
400
Thermal Conductivity, W/m-K 120
91
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29 to 30
30
Electrical Conductivity: Equal Weight (Specific), % IACS 140
34

Otherwise Unclassified Properties

Base Metal Price, % relative 13
24
Density, g/cm3 1.9
8.0
Embodied Carbon, kg CO2/kg material 23
3.0
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 940
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 29
90
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 690
220
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 63
20
Strength to Weight: Axial, points 47 to 49
19
Strength to Weight: Bending, points 55 to 56
18
Thermal Diffusivity, mm2/s 66
28
Thermal Shock Resistance, points 19 to 20
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Copper (Cu), % 0
51 to 65
Iron (Fe), % 0
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 92.5 to 94.8
0
Manganese (Mn), % 0
0.3 to 3.0
Nickel (Ni), % 0
0 to 6.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 4.8 to 6.2
19.8 to 47.7
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0 to 0.3
0