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EN-MC35110 Magnesium vs. AISI 415 Stainless Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while AISI 415 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
260
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
17
Fatigue Strength, MPa 110
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 130
550
Tensile Strength: Ultimate (UTS), MPa 230
900
Tensile Strength: Yield (Proof), MPa 150
700

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 140
780
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 520
1400
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
24
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
11
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 24
2.5
Embodied Energy, MJ/kg 170
35
Embodied Water, L/kg 940
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
32
Strength to Weight: Bending, points 44
26
Thermal Diffusivity, mm2/s 61
6.4
Thermal Shock Resistance, points 14
33

Alloy Composition


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Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
11.5 to 14
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
77.8 to 84
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0.5 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0 to 0.0050
3.5 to 5.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0 to 0.6
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