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C99400 Brass vs. ZE41A Magnesium

C99400 brass belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 C99400 brass and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
18
Tensile Strength: Ultimate (UTS), MPa 460 to 550
210
Tensile Strength: Yield (Proof), MPa 230 to 370
140

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1070
640
Melting Onset (Solidus), °C 1020
540
Specific Heat Capacity, J/kg-K 400
970
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
27
Electrical Conductivity: Equal Weight (Specific), % IACS 17
130

Otherwise Unclassified Properties

Base Metal Price, % relative 30
18
Density, g/cm3 8.7
1.9
Embodied Carbon, kg CO2/kg material 2.8
24
Embodied Energy, MJ/kg 45
170
Embodied Water, L/kg 310
940

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
220
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 15 to 17
31
Strength to Weight: Bending, points 15 to 17
41
Thermal Shock Resistance, points 16 to 19
12

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Copper (Cu), % 83.5 to 96.5
0 to 0.1
Iron (Fe), % 1.0 to 3.0
0
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 1.0 to 3.5
0 to 0.010
Silicon (Si), % 0.5 to 2.0
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0.5 to 5.0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3