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ZC63A Magnesium vs. EN 1.4317 Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while EN 1.4317 stainless steel belongs to the iron alloys. There are 29 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 ZC63A magnesium and the bottom bar is EN 1.4317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
190
Elongation at Break, % 3.3
17
Fatigue Strength, MPa 94
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
76
Tensile Strength: Ultimate (UTS), MPa 220
860
Tensile Strength: Yield (Proof), MPa 130
630

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 98
770
Melting Completion (Liquidus), °C 550
1440
Melting Onset (Solidus), °C 470
1400
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 120
26
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
2.4
Embodied Energy, MJ/kg 150
33
Embodied Water, L/kg 920
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1010
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
31
Strength to Weight: Bending, points 38
26
Thermal Diffusivity, mm2/s 58
7.0
Thermal Shock Resistance, points 12
30

Alloy Composition


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Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
12 to 13.5
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
78.7 to 84.5
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0 to 0.010
3.5 to 5.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0