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EN-MC35110 Magnesium vs. AISI 304N Stainless Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while AISI 304N stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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-MC35110 magnesium and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
190 to 360
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
9.1 to 45
Fatigue Strength, MPa 110
220 to 440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Shear Strength, MPa 130
420 to 700
Tensile Strength: Ultimate (UTS), MPa 230
620 to 1180
Tensile Strength: Yield (Proof), MPa 150
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 140
960
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 520
1380
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
15
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 24
3.0
Embodied Energy, MJ/kg 170
43
Embodied Water, L/kg 940
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 260
180 to 1830
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
22 to 42
Strength to Weight: Bending, points 44
21 to 32
Thermal Diffusivity, mm2/s 61
4.2
Thermal Shock Resistance, points 14
14 to 26

Alloy Composition


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Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
66.4 to 73.9
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.0050
8.0 to 10.5
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.010
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0