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EN 1.4613 Stainless Steel vs. WE54A Magnesium

EN 1.4613 stainless steel belongs to the iron alloys classification, while WE54A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4613 stainless steel and the bottom bar is WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
85
Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 21
4.3 to 5.6
Fatigue Strength, MPa 180
98 to 130
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
17
Shear Strength, MPa 330
150 to 170
Tensile Strength: Ultimate (UTS), MPa 530
270 to 300
Tensile Strength: Yield (Proof), MPa 280
180

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 1050
170
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1390
570
Specific Heat Capacity, J/kg-K 480
960
Thermal Conductivity, W/m-K 19
52
Thermal Expansion, µm/m-K 11
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
47

Otherwise Unclassified Properties

Base Metal Price, % relative 12
34
Density, g/cm3 7.7
1.9
Embodied Carbon, kg CO2/kg material 2.6
29
Embodied Energy, MJ/kg 38
260
Embodied Water, L/kg 150
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
10 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 190
360 to 380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
62
Strength to Weight: Axial, points 19
39 to 43
Strength to Weight: Bending, points 19
49 to 51
Thermal Diffusivity, mm2/s 5.2
28
Thermal Shock Resistance, points 18
18 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.5
0 to 0.030
Iron (Fe), % 70.3 to 77.8
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0 to 1.0
0 to 0.030
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.0050
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0.2 to 1.0
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3