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ACI-ASTM CF10SMnN Steel vs. QE22A Magnesium

ACI-ASTM CF10SMnN steel belongs to the iron alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, 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 ACI-ASTM CF10SMnN steel and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 34
2.4
Fatigue Strength, MPa 260
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
17
Tensile Strength: Ultimate (UTS), MPa 660
250
Tensile Strength: Yield (Proof), MPa 330
190

Thermal Properties

Latent Heat of Fusion, J/g 340
340
Maximum Temperature: Mechanical, °C 900
250
Melting Completion (Liquidus), °C 1360
640
Melting Onset (Solidus), °C 1310
570
Specific Heat Capacity, J/kg-K 500
970
Thermal Expansion, µm/m-K 16
27

Otherwise Unclassified Properties

Density, g/cm3 7.5
2.0
Embodied Carbon, kg CO2/kg material 3.1
27
Embodied Energy, MJ/kg 45
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 280
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
60
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 22
46
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 59.1 to 65.4
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 8.0 to 9.0
0 to 0.010
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 3.5 to 4.5
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3