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ZE63A Magnesium vs. EN 1.4003 Stainless Steel

ZE63A magnesium belongs to the magnesium alloys classification, while EN 1.4003 stainless steel belongs to the iron alloys. There are 31 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 ZE63A magnesium and the bottom bar is EN 1.4003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
180
Elastic (Young's, Tensile) Modulus, GPa 46
190
Elongation at Break, % 7.7
22
Fatigue Strength, MPa 120
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 170
340
Tensile Strength: Ultimate (UTS), MPa 300
540
Tensile Strength: Yield (Proof), MPa 190
320

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 170
720
Melting Completion (Liquidus), °C 510
1440
Melting Onset (Solidus), °C 390
1400
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 27
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
6.5
Density, g/cm3 2.0
7.8
Embodied Carbon, kg CO2/kg material 24
1.9
Embodied Energy, MJ/kg 180
27
Embodied Water, L/kg 920
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
100
Resilience: Unit (Modulus of Resilience), kJ/m3 400
260
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 40
19
Strength to Weight: Bending, points 48
19
Thermal Diffusivity, mm2/s 57
6.7
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0
83.9 to 89.2
Magnesium (Mg), % 89.6 to 92
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Unspecified Rare Earths, % 2.1 to 3.0
0
Zinc (Zn), % 5.5 to 6.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0