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C27200 Brass vs. ZK60A Magnesium

C27200 brass 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 (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 C27200 brass and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
46
Elongation at Break, % 10 to 50
4.5 to 9.9
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Shear Strength, MPa 230 to 320
170 to 190
Tensile Strength: Ultimate (UTS), MPa 370 to 590
320 to 330
Tensile Strength: Yield (Proof), MPa 150 to 410
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 920
600
Melting Onset (Solidus), °C 870
550
Specific Heat Capacity, J/kg-K 390
960
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 31
140

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.1
1.9
Embodied Carbon, kg CO2/kg material 2.7
23
Embodied Energy, MJ/kg 45
160
Embodied Water, L/kg 320
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
570 to 690
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 13 to 20
47 to 49
Strength to Weight: Bending, points 14 to 19
55 to 56
Thermal Diffusivity, mm2/s 37
66
Thermal Shock Resistance, points 12 to 20
19 to 20

Alloy Composition

Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.070
0
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
92.5 to 94.8
Zinc (Zn), % 34.6 to 38
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3