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ZE63A Magnesium vs. EN 1.7365 Steel

ZE63A magnesium belongs to the magnesium alloys classification, while EN 1.7365 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 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
210
Elastic (Young's, Tensile) Modulus, GPa 46
190
Elongation at Break, % 7.7
18
Fatigue Strength, MPa 120
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Tensile Strength: Ultimate (UTS), MPa 300
700
Tensile Strength: Yield (Proof), MPa 190
470

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 170
510
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
40
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
4.4
Density, g/cm3 2.0
7.8
Embodied Carbon, kg CO2/kg material 24
1.8
Embodied Energy, MJ/kg 180
24
Embodied Water, L/kg 920
70

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
110
Resilience: Unit (Modulus of Resilience), kJ/m3 400
580
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 40
25
Strength to Weight: Bending, points 48
22
Thermal Diffusivity, mm2/s 57
11
Thermal Shock Resistance, points 17
20

Alloy Composition

Carbon (C), % 0
0.12 to 0.19
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0
91.2 to 94.9
Magnesium (Mg), % 89.6 to 92
0
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Unspecified Rare Earths, % 2.1 to 3.0
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 5.5 to 6.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0