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EN-MC95310 Magnesium vs. C85200 Brass

EN-MC95310 magnesium belongs to the magnesium alloys classification, while C85200 brass belongs to the copper alloys. There are 28 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-MC95310 magnesium and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.2
28
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 280
270
Tensile Strength: Yield (Proof), MPa 190
95

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 650
940
Melting Onset (Solidus), °C 540
930
Specific Heat Capacity, J/kg-K 960
380
Thermal Conductivity, W/m-K 51
84
Thermal Expansion, µm/m-K 25
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
18
Electrical Conductivity: Equal Weight (Specific), % IACS 50
19

Otherwise Unclassified Properties

Base Metal Price, % relative 34
26
Density, g/cm3 1.9
8.4
Embodied Carbon, kg CO2/kg material 29
2.8
Embodied Energy, MJ/kg 260
46
Embodied Water, L/kg 900
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
59
Resilience: Unit (Modulus of Resilience), kJ/m3 420
42
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 61
19
Strength to Weight: Axial, points 40
8.9
Strength to Weight: Bending, points 49
11
Thermal Diffusivity, mm2/s 28
27
Thermal Shock Resistance, points 18
9.3

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.030
70 to 74
Iron (Fe), % 0 to 0.010
0 to 0.6
Lead (Pb), % 0
1.5 to 3.8
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0.7 to 2.0
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
20 to 27
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.9