MakeItFrom.com
Menu (ESC)

EV31A Magnesium vs. C84400 Valve Metal

EV31A magnesium belongs to the magnesium alloys classification, while C84400 valve metal belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 EV31A magnesium and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 3.5
19
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 17
39
Tensile Strength: Ultimate (UTS), MPa 260
230
Tensile Strength: Yield (Proof), MPa 170
110

Thermal Properties

Maximum Temperature: Mechanical, °C 200
160
Melting Onset (Solidus), °C 590
840
Specific Heat Capacity, J/kg-K 1000
370
Thermal Conductivity, W/m-K 86
72
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
16
Electrical Conductivity: Equal Weight (Specific), % IACS 90
17

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
36
Resilience: Unit (Modulus of Resilience), kJ/m3 330
58
Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 65
18
Strength to Weight: Axial, points 40
7.2
Strength to Weight: Bending, points 50
9.4
Thermal Diffusivity, mm2/s 47
22
Thermal Shock Resistance, points 16
8.3