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C27200 Brass vs. ZE41A Magnesium

C27200 brass belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 10 to 50
3.3
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Shear Strength, MPa 230 to 320
150
Tensile Strength: Ultimate (UTS), MPa 370 to 590
210
Tensile Strength: Yield (Proof), MPa 150 to 410
140

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 920
640
Melting Onset (Solidus), °C 870
540
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 20
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 31
130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
18
Density, g/cm3 8.1
1.9
Embodied Carbon, kg CO2/kg material 2.7
24
Embodied Energy, MJ/kg 45
170
Embodied Water, L/kg 320
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
220
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 13 to 20
31
Strength to Weight: Bending, points 14 to 19
41
Thermal Diffusivity, mm2/s 37
59
Thermal Shock Resistance, points 12 to 20
12

Alloy Composition

Copper (Cu), % 62 to 65
0 to 0.1
Iron (Fe), % 0 to 0.070
0
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 34.6 to 38
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3