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EN-MC95310 Magnesium vs. C38000 Brass

EN-MC95310 magnesium belongs to the magnesium alloys classification, while C38000 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 2.2
17
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
39
Shear Strength, MPa 160
230
Tensile Strength: Ultimate (UTS), MPa 280
380
Tensile Strength: Yield (Proof), MPa 190
120

Thermal Properties

Latent Heat of Fusion, J/g 330
170
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 650
800
Melting Onset (Solidus), °C 540
760
Specific Heat Capacity, J/kg-K 960
380
Thermal Conductivity, W/m-K 51
110
Thermal Expansion, µm/m-K 25
21

Otherwise Unclassified Properties

Base Metal Price, % relative 34
22
Density, g/cm3 1.9
8.0
Embodied Carbon, kg CO2/kg material 29
2.7
Embodied Energy, MJ/kg 260
46
Embodied Water, L/kg 900
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
50
Resilience: Unit (Modulus of Resilience), kJ/m3 420
74
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 61
19
Strength to Weight: Axial, points 40
13
Strength to Weight: Bending, points 49
14
Thermal Diffusivity, mm2/s 28
37
Thermal Shock Resistance, points 18
13

Alloy Composition


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Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 0 to 0.030
55 to 60
Iron (Fe), % 0 to 0.010
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
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
Silicon (Si), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.3
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
35.9 to 43.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5