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ZC63A Magnesium vs. EN 1.4423 Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while EN 1.4423 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 ZC63A magnesium and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
200
Elongation at Break, % 3.3
17
Fatigue Strength, MPa 94
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Shear Strength, MPa 130
520
Tensile Strength: Ultimate (UTS), MPa 220
850
Tensile Strength: Yield (Proof), MPa 130
630

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 98
780
Melting Completion (Liquidus), °C 550
1460
Melting Onset (Solidus), °C 470
1420
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 26
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
3.2
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 920
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
30
Strength to Weight: Bending, points 38
25
Thermal Diffusivity, mm2/s 58
4.3
Thermal Shock Resistance, points 12
31

Alloy Composition


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Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 2.4 to 3.0
0.2 to 0.8
Iron (Fe), % 0
73.8 to 80.5
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 2.0
Molybdenum (Mo), % 0
2.3 to 2.8
Nickel (Ni), % 0 to 0.010
6.0 to 7.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.0030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0