ASTM A372 Grade G Steel vs. EN-MC65210 Magnesium
ASTM A372 grade G 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 G steel and the bottom bar is EN-MC65210 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 280 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 44 |
| Elongation at Break, % | 20 to 22 | |
| 2.8 |
| Fatigue Strength, MPa | 310 to 380 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 17 |
| Shear Strength, MPa | 410 to 570 | |
| 150 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 910 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 430 to 550 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 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 | 46 | |
| 110 |
| Thermal Expansion, µm/m-K | 13 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 110 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 2.0 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 27 |
| Embodied Energy, MJ/kg | 20 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 160 | |
| 6.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 810 | |
| 450 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 24 | |
| 59 |
| Strength to Weight: Axial, points | 23 to 32 | |
| 38 |
| Strength to Weight: Bending, points | 21 to 27 | |
| 47 |
| Thermal Diffusivity, mm2/s | 13 | |
| 58 |
| Thermal Shock Resistance, points | 19 to 27 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 0.25 to 0.35 | |
| 0 |
| Chromium (Cr), % | 0.4 to 0.65 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 97.4 to 98.4 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 0 | |
| 92.6 to 95.6 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0 |
| Nickel (Ni), % | 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 |