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ZE63A Magnesium vs. EN 1.6771 Steel

ZE63A magnesium belongs to the magnesium alloys classification, while EN 1.6771 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 ZE63A magnesium and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
280 to 350
Elastic (Young's, Tensile) Modulus, GPa 46
190
Elongation at Break, % 7.7
8.0 to 8.7
Fatigue Strength, MPa 120
440 to 680
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Tensile Strength: Ultimate (UTS), MPa 300
930 to 1180
Tensile Strength: Yield (Proof), MPa 190
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 170
440
Melting Completion (Liquidus), °C 510
1460
Melting Onset (Solidus), °C 390
1420
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 110
46
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 22
5.0
Density, g/cm3 2.0
7.9
Embodied Carbon, kg CO2/kg material 24
1.9
Embodied Energy, MJ/kg 180
25
Embodied Water, L/kg 920
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 400
1460 to 3450
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 40
33 to 41
Strength to Weight: Bending, points 48
27 to 31
Thermal Diffusivity, mm2/s 57
13
Thermal Shock Resistance, points 17
27 to 35

Alloy Composition

Carbon (C), % 0
0.27 to 0.33
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0
92.2 to 95
Magnesium (Mg), % 89.6 to 92
0
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0 to 0.010
3.0 to 4.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.020
Unspecified Rare Earths, % 2.1 to 3.0
0
Zinc (Zn), % 5.5 to 6.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0