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EN 1.4419 Stainless Steel vs. ZC63A Magnesium

EN 1.4419 stainless steel belongs to the iron alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 30 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 EN 1.4419 stainless steel and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
48
Elongation at Break, % 11 to 17
3.3
Fatigue Strength, MPa 230 to 680
94
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
19
Shear Strength, MPa 410 to 950
130
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
220
Tensile Strength: Yield (Proof), MPa 370 to 1240
130

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 790
98
Melting Completion (Liquidus), °C 1440
550
Melting Onset (Solidus), °C 1400
470
Specific Heat Capacity, J/kg-K 480
950
Thermal Conductivity, W/m-K 30
120
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
32
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
140

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
13
Density, g/cm3 7.7
2.1
Embodied Carbon, kg CO2/kg material 2.2
22
Embodied Energy, MJ/kg 30
150
Embodied Water, L/kg 110
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 170
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 3920
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
58
Strength to Weight: Axial, points 24 to 57
29
Strength to Weight: Bending, points 22 to 39
38
Thermal Diffusivity, mm2/s 8.1
58
Thermal Shock Resistance, points 23 to 55
12

Alloy Composition

Carbon (C), % 0.36 to 0.42
0
Chromium (Cr), % 13 to 14.5
0
Copper (Cu), % 0
2.4 to 3.0
Iron (Fe), % 82 to 86
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 1.0
0.25 to 0.75
Molybdenum (Mo), % 0.6 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3