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EN-MC65210 Magnesium vs. ASTM A387 Grade 11 Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while ASTM A387 grade 11 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.8
25
Fatigue Strength, MPa 110
200 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 150
320 to 390
Tensile Strength: Ultimate (UTS), MPa 270
500 to 600
Tensile Strength: Yield (Proof), MPa 200
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Maximum Temperature: Mechanical, °C 170
430
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
39
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.5

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.8
Embodied Carbon, kg CO2/kg material 27
1.6
Embodied Energy, MJ/kg 220
21

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 450
200 to 320
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
24
Strength to Weight: Axial, points 38
18 to 21
Strength to Weight: Bending, points 47
18 to 20
Thermal Diffusivity, mm2/s 58
11
Thermal Shock Resistance, points 17
15 to 18

Alloy Composition


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Carbon (C), % 0
0.050 to 0.17
Chromium (Cr), % 0
1.0 to 1.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
96.2 to 97.6
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
0.5 to 0.8
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.025
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