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EN 1.4807 Stainless Steel vs. ZE63A Magnesium

EN 1.4807 stainless steel belongs to the iron alloys classification, while ZE63A magnesium belongs to the magnesium alloys. There are 30 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 EN 1.4807 stainless steel and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
73
Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 4.5
7.7
Fatigue Strength, MPa 120
120
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
17
Tensile Strength: Ultimate (UTS), MPa 480
300
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 1000
170
Melting Completion (Liquidus), °C 1390
510
Melting Onset (Solidus), °C 1350
390
Specific Heat Capacity, J/kg-K 480
950
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 15
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
31
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
140

Otherwise Unclassified Properties

Base Metal Price, % relative 39
22
Density, g/cm3 8.0
2.0
Embodied Carbon, kg CO2/kg material 6.8
24
Embodied Energy, MJ/kg 97
180
Embodied Water, L/kg 190
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
20
Resilience: Unit (Modulus of Resilience), kJ/m3 160
400
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
58
Strength to Weight: Axial, points 17
40
Strength to Weight: Bending, points 17
48
Thermal Diffusivity, mm2/s 3.2
57
Thermal Shock Resistance, points 12
17

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 36.6 to 46.7
0
Magnesium (Mg), % 0
89.6 to 92
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
0 to 0.010
Niobium (Nb), % 1.0 to 1.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
2.1 to 3.0
Zinc (Zn), % 0
5.5 to 6.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3