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EN-MC95310 Magnesium vs. S41003 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while S41003 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 EN-MC95310 magnesium and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
200
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 2.2
21
Fatigue Strength, MPa 110
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 160
320
Tensile Strength: Ultimate (UTS), MPa 280
520
Tensile Strength: Yield (Proof), MPa 190
310

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 170
720
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 51
27
Thermal Expansion, µm/m-K 25
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 50
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
7.0
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 29
1.9
Embodied Energy, MJ/kg 260
27
Embodied Water, L/kg 900
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
92
Resilience: Unit (Modulus of Resilience), kJ/m3 420
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
19
Strength to Weight: Bending, points 49
18
Thermal Diffusivity, mm2/s 28
7.2
Thermal Shock Resistance, points 18
19

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
83.4 to 89.5
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.0050
0 to 1.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.030
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 0.010
0