EN 1.4612 Stainless Steel vs. K1A Magnesium
EN 1.4612 stainless steel belongs to the iron alloys classification, while K1A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 1.4612 stainless steel and the bottom bar is K1A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 43 |
| Elongation at Break, % | 11 | |
| 13 |
| Fatigue Strength, MPa | 860 to 950 | |
| 39 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 17 |
| Shear Strength, MPa | 1010 to 1110 | |
| 55 |
| Tensile Strength: Ultimate (UTS), MPa | 1690 to 1850 | |
| 180 |
| Tensile Strength: Yield (Proof), MPa | 1570 to 1730 | |
| 51 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 790 | |
| 120 |
| Melting Completion (Liquidus), °C | 1450 | |
| 650 |
| Melting Onset (Solidus), °C | 1400 | |
| 650 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 1000 |
| Thermal Expansion, µm/m-K | 11 | |
| 27 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 16 | |
| 13 |
| Density, g/cm3 | 7.9 | |
| 1.6 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 24 |
| Embodied Energy, MJ/kg | 50 | |
| 170 |
| Embodied Water, L/kg | 140 | |
| 970 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 to 210 | |
| 17 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 25 | |
| 73 |
| Strength to Weight: Axial, points | 60 to 65 | |
| 31 |
| Strength to Weight: Bending, points | 40 to 43 | |
| 43 |
| Thermal Shock Resistance, points | 58 to 63 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 1.4 to 1.8 | |
| 0 |
| Carbon (C), % | 0 to 0.015 | |
| 0 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Iron (Fe), % | 71.5 to 75.5 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 98.7 to 99.6 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 1.8 to 2.3 | |
| 0 |
| Nickel (Ni), % | 10.2 to 11.3 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 |
| Titanium (Ti), % | 0.2 to 0.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |