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ZC63A Magnesium vs. EN 1.4922 Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while EN 1.4922 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 1.4922 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
190
Elongation at Break, % 3.3
16
Fatigue Strength, MPa 94
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
76
Shear Strength, MPa 130
470
Tensile Strength: Ultimate (UTS), MPa 220
770
Tensile Strength: Yield (Proof), MPa 130
550

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 98
720
Melting Completion (Liquidus), °C 550
1460
Melting Onset (Solidus), °C 470
1410
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
24
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.5
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 920
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 38
24
Thermal Diffusivity, mm2/s 58
6.5
Thermal Shock Resistance, points 12
27

Alloy Composition


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Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
10 to 12.5
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
83.5 to 88.2
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.3 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0 to 0.010
0.3 to 0.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.2 to 0.35
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0