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EN-MC95310 Magnesium vs. C90500 Gun Metal

EN-MC95310 magnesium belongs to the magnesium alloys classification, while C90500 gun metal belongs to the copper alloys. There are 29 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 C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.2
20
Fatigue Strength, MPa 110
90
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 280
320
Tensile Strength: Yield (Proof), MPa 190
160

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 540
850
Specific Heat Capacity, J/kg-K 960
370
Thermal Conductivity, W/m-K 51
75
Thermal Expansion, µm/m-K 25
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 34
35
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 29
3.6
Embodied Energy, MJ/kg 260
59
Embodied Water, L/kg 900
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
54
Resilience: Unit (Modulus of Resilience), kJ/m3 420
110
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 61
18
Strength to Weight: Axial, points 40
10
Strength to Weight: Bending, points 49
12
Thermal Diffusivity, mm2/s 28
23
Thermal Shock Resistance, points 18
12

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
86 to 89
Iron (Fe), % 0 to 0.010
0 to 0.2
Lead (Pb), % 0
0 to 0.3
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 1.5
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
1.0 to 3.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.3