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C34500 Brass vs. ZE41A Magnesium

C34500 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 (5, 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 C34500 brass and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 12 to 28
3.3
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Shear Strength, MPa 220 to 260
150
Tensile Strength: Ultimate (UTS), MPa 340 to 430
210
Tensile Strength: Yield (Proof), MPa 120 to 180
140

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 910
640
Melting Onset (Solidus), °C 890
540
Specific Heat Capacity, J/kg-K 380
970
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
27
Electrical Conductivity: Equal Weight (Specific), % IACS 29
130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
18
Density, g/cm3 8.2
1.9
Embodied Carbon, kg CO2/kg material 2.6
24
Embodied Energy, MJ/kg 45
170
Embodied Water, L/kg 320
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
220
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 12 to 15
31
Strength to Weight: Bending, points 13 to 16
41
Thermal Diffusivity, mm2/s 37
59
Thermal Shock Resistance, points 11 to 14
12

Alloy Composition

Copper (Cu), % 62 to 65
0 to 0.1
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 1.5 to 2.5
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), % 32 to 36.5
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3