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EN-MC65210 Magnesium vs. ACI-ASTM CA40F Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while ACI-ASTM CA40F steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
230
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.8
13
Fatigue Strength, MPa 110
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Tensile Strength: Ultimate (UTS), MPa 270
770
Tensile Strength: Yield (Proof), MPa 200
550

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Mechanical, °C 170
750
Melting Completion (Liquidus), °C 610
1430
Melting Onset (Solidus), °C 540
1390
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
27
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
3.5

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.7
Embodied Carbon, kg CO2/kg material 27
2.0
Embodied Energy, MJ/kg 220
28

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
94
Resilience: Unit (Modulus of Resilience), kJ/m3 450
790
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 59
25
Strength to Weight: Axial, points 38
28
Strength to Weight: Bending, points 47
24
Thermal Diffusivity, mm2/s 58
7.2
Thermal Shock Resistance, points 17
28

Alloy Composition


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Carbon (C), % 0
0.2 to 0.4
Chromium (Cr), % 0
11.5 to 14
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
81.6 to 88.3
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.5
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0.2 to 0.4
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