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C42600 Brass vs. ZE41A Magnesium

C42600 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 C42600 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, % 1.1 to 40
3.3
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
18
Shear Strength, MPa 280 to 470
150
Tensile Strength: Ultimate (UTS), MPa 410 to 830
210
Tensile Strength: Yield (Proof), MPa 220 to 810
140

Thermal Properties

Latent Heat of Fusion, J/g 200
330
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 1030
640
Melting Onset (Solidus), °C 1010
540
Specific Heat Capacity, J/kg-K 380
970
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 26
130

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 8.7
1.9
Embodied Carbon, kg CO2/kg material 2.9
24
Embodied Energy, MJ/kg 48
170
Embodied Water, L/kg 340
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.4 to 140
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
220
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
63
Strength to Weight: Axial, points 13 to 27
31
Strength to Weight: Bending, points 14 to 23
41
Thermal Diffusivity, mm2/s 33
59
Thermal Shock Resistance, points 15 to 29
12

Alloy Composition

Copper (Cu), % 87 to 90
0 to 0.1
Iron (Fe), % 0.050 to 0.2
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0.050 to 0.2
0 to 0.010
Phosphorus (P), % 0.020 to 0.050
0
Tin (Sn), % 2.5 to 4.0
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 5.3 to 10.4
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3