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EN-MC21210 Magnesium vs. C48600 Brass

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C48600 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 EN-MC21210 magnesium and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 14
20 to 25
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
39
Shear Strength, MPa 110
180 to 230
Tensile Strength: Ultimate (UTS), MPa 190
280 to 360
Tensile Strength: Yield (Proof), MPa 90
110 to 170

Thermal Properties

Latent Heat of Fusion, J/g 350
170
Maximum Temperature: Mechanical, °C 100
120
Melting Completion (Liquidus), °C 600
900
Melting Onset (Solidus), °C 570
890
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
25
Electrical Conductivity: Equal Weight (Specific), % IACS 130
28

Otherwise Unclassified Properties

Base Metal Price, % relative 12
24
Density, g/cm3 1.6
8.1
Embodied Carbon, kg CO2/kg material 24
2.8
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 980
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
55 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 92
61 to 140
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 72
19
Strength to Weight: Axial, points 32
9.5 to 12
Strength to Weight: Bending, points 44
12 to 14
Thermal Diffusivity, mm2/s 76
36
Thermal Shock Resistance, points 11
9.3 to 12

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Arsenic (As), % 0
0.020 to 0.25
Copper (Cu), % 0 to 0.010
59 to 62
Iron (Fe), % 0 to 0.0050
0
Lead (Pb), % 0
1.0 to 2.5
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.3 to 1.5
Zinc (Zn), % 0 to 0.2
33.4 to 39.7
Residuals, % 0 to 0.010
0 to 0.4