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EN-MC65210 Magnesium vs. EN 1.0070 Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while EN 1.0070 steel belongs to the iron alloys. There are 29 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-MC65210 magnesium and the bottom bar is EN 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
210
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.8
9.1
Fatigue Strength, MPa 110
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 150
440
Tensile Strength: Ultimate (UTS), MPa 270
740
Tensile Strength: Yield (Proof), MPa 200
350

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 610
1470
Melting Onset (Solidus), °C 540
1430
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
53
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.8

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.9
Embodied Carbon, kg CO2/kg material 27
1.4
Embodied Energy, MJ/kg 220
18

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
56
Resilience: Unit (Modulus of Resilience), kJ/m3 450
320
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
24
Strength to Weight: Axial, points 38
26
Strength to Weight: Bending, points 47
23
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 17
23

Alloy Composition


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Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
99.876 to 100
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0
0 to 0.055
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.055
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0