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ASTM A372 Grade L Steel vs. EN-MC65210 Magnesium

ASTM A372 grade L steel belongs to the iron alloys classification, while EN-MC65210 magnesium belongs to the magnesium 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 ASTM A372 grade L steel and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 14
2.8
Fatigue Strength, MPa 670
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Shear Strength, MPa 700
150
Tensile Strength: Ultimate (UTS), MPa 1160
270
Tensile Strength: Yield (Proof), MPa 1040
200

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 430
170
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 44
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
110

Otherwise Unclassified Properties

Density, g/cm3 7.8
2.0
Embodied Carbon, kg CO2/kg material 1.7
27
Embodied Energy, MJ/kg 22
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
450
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
59
Strength to Weight: Axial, points 41
38
Strength to Weight: Bending, points 31
47
Thermal Diffusivity, mm2/s 12
58
Thermal Shock Resistance, points 34
17

Alloy Composition

Carbon (C), % 0.38 to 0.43
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 95.2 to 96.3
0 to 0.010
Magnesium (Mg), % 0
92.6 to 95.6
Manganese (Mn), % 0.6 to 0.8
0 to 0.15
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
0 to 0.0050
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0 to 0.010
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.010
0
Unspecified Rare Earths, % 0
2.0 to 3.0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010