MakeItFrom.com
Menu (ESC)

EQ21A Magnesium vs. Zamak 5

EQ21A magnesium belongs to the magnesium alloys classification, while Zamak 5 belongs to the zinc alloys. There are 32 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 EQ21A magnesium and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
92
Compressive (Crushing) Strength, MPa 350
600
Elastic (Young's, Tensile) Modulus, GPa 44
87
Elongation at Break, % 2.4
6.3
Fatigue Strength, MPa 110
56
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 17
33
Shear Strength, MPa 150
260
Tensile Strength: Ultimate (UTS), MPa 250
330
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 340
120
Maximum Temperature: Mechanical, °C 160
95
Melting Completion (Liquidus), °C 640
390
Melting Onset (Solidus), °C 560
380
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.2
Specific Heat Capacity, J/kg-K 980
410
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 27
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
26
Electrical Conductivity: Equal Weight (Specific), % IACS 120
37

Otherwise Unclassified Properties

Base Metal Price, % relative 80
12
Density, g/cm3 1.9
6.4
Embodied Carbon, kg CO2/kg material 27
3.0
Embodied Energy, MJ/kg 210
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
19
Resilience: Unit (Modulus of Resilience), kJ/m3 410
330
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 63
23
Strength to Weight: Axial, points 37
14
Strength to Weight: Bending, points 47
16
Thermal Diffusivity, mm2/s 62
42
Thermal Shock Resistance, points 15
9.9

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0.050 to 0.1
0.7 to 1.3
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 93.9 to 96.8
0.025 to 0.080
Nickel (Ni), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0
0 to 0.030
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0 to 0.0030
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0
94.3 to 95.7
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0