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ZC63A Magnesium vs. EN 1.4404 Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while EN 1.4404 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.4404 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 48
200
Elongation at Break, % 3.3
14 to 43
Fatigue Strength, MPa 94
220 to 320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
78
Shear Strength, MPa 130
420 to 550
Tensile Strength: Ultimate (UTS), MPa 220
600 to 900
Tensile Strength: Yield (Proof), MPa 130
240 to 570

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 98
950
Melting Completion (Liquidus), °C 550
1440
Melting Onset (Solidus), °C 470
1400
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 26
16

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
19
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
3.8
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 920
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
21 to 32
Strength to Weight: Bending, points 38
20 to 26
Thermal Diffusivity, mm2/s 58
4.0
Thermal Shock Resistance, points 12
13 to 20

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
62.8 to 71.5
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0 to 0.010
10 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0