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C44300 Brass vs. ZE41A Magnesium

C44300 brass belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 C44300 brass and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
18
Tensile Strength: Ultimate (UTS), MPa 350
210
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 180
330
Maximum Temperature: Mechanical, °C 140
150
Melting Completion (Liquidus), °C 940
640
Melting Onset (Solidus), °C 900
540
Specific Heat Capacity, J/kg-K 380
970
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 20
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 27
130

Otherwise Unclassified Properties

Base Metal Price, % relative 26
18
Density, g/cm3 8.3
1.9
Embodied Carbon, kg CO2/kg material 2.8
24
Embodied Energy, MJ/kg 46
170
Embodied Water, L/kg 330
940

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
220
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 12
31
Strength to Weight: Bending, points 13
41
Thermal Diffusivity, mm2/s 35
59
Thermal Shock Resistance, points 12
12

Alloy Composition

Arsenic (As), % 0.020 to 0.060
0
Copper (Cu), % 70 to 73
0 to 0.1
Iron (Fe), % 0 to 0.060
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
Tin (Sn), % 0.9 to 1.2
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 25.2 to 29.1
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3