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EN-MC35110 Magnesium vs. EN 1.4945 Stainless Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while EN 1.4945 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 EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
19 to 34
Fatigue Strength, MPa 110
230 to 350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Shear Strength, MPa 130
430 to 460
Tensile Strength: Ultimate (UTS), MPa 230
640 to 740
Tensile Strength: Yield (Proof), MPa 150
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 140
920
Melting Completion (Liquidus), °C 600
1490
Melting Onset (Solidus), °C 520
1440
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 130
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
30
Density, g/cm3 1.9
8.1
Embodied Carbon, kg CO2/kg material 24
5.0
Embodied Energy, MJ/kg 170
73
Embodied Water, L/kg 940
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210 to 760
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 34
22 to 25
Strength to Weight: Bending, points 44
20 to 22
Thermal Diffusivity, mm2/s 61
3.7
Thermal Shock Resistance, points 14
14 to 16

Alloy Composition

Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
57.9 to 65.7
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.0050
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.010
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5
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