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WE54A Magnesium vs. EN 1.4845 Stainless Steel

WE54A magnesium belongs to the magnesium alloys classification, while EN 1.4845 stainless steel belongs to the iron 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 WE54A magnesium and the bottom bar is EN 1.4845 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
170
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 4.3 to 5.6
38
Fatigue Strength, MPa 98 to 130
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 17
78
Shear Strength, MPa 150 to 170
410
Tensile Strength: Ultimate (UTS), MPa 270 to 300
600
Tensile Strength: Yield (Proof), MPa 180
240

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 170
1050
Melting Completion (Liquidus), °C 640
1400
Melting Onset (Solidus), °C 570
1360
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 25
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 47
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
25
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 29
4.3
Embodied Energy, MJ/kg 260
61
Embodied Water, L/kg 900
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 14
180
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 380
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
25
Strength to Weight: Axial, points 39 to 43
21
Strength to Weight: Bending, points 49 to 51
20
Thermal Diffusivity, mm2/s 28
4.0
Thermal Shock Resistance, points 18 to 19
14

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
48.2 to 57
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.7 to 93.4
0
Manganese (Mn), % 0 to 0.030
0 to 2.0
Nickel (Ni), % 0 to 0.0050
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.010
0 to 1.5
Sulfur (S), % 0
0 to 0.015
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0