AISI 302 Stainless Steel vs. EN-MC65220 Magnesium
AISI 302 stainless steel belongs to the iron alloys classification, while EN-MC65220 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 AISI 302 stainless steel and the bottom bar is EN-MC65220 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 440 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 44 |
| Elongation at Break, % | 4.5 to 46 | |
| 2.2 |
| Fatigue Strength, MPa | 210 to 520 | |
| 110 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 17 |
| Shear Strength, MPa | 400 to 830 | |
| 150 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 1430 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 230 to 1100 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 710 | |
| 160 |
| Melting Completion (Liquidus), °C | 1420 | |
| 610 |
| Melting Onset (Solidus), °C | 1400 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 980 |
| Thermal Conductivity, W/m-K | 16 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 80 |
| Density, g/cm3 | 7.8 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 27 |
| Embodied Energy, MJ/kg | 42 | |
| 210 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 to 260 | |
| 5.5 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 3070 | |
| 450 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 62 |
| Strength to Weight: Axial, points | 21 to 51 | |
| 40 |
| Strength to Weight: Bending, points | 20 to 36 | |
| 49 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 61 |
| Thermal Shock Resistance, points | 12 to 31 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.050 to 0.1 |
| Iron (Fe), % | 67.9 to 75 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 0 | |
| 93.8 to 96.8 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.15 |
| Nickel (Ni), % | 8.0 to 10 | |
| 0 to 0.0050 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.010 |
| Silver (Ag), % | 0 | |
| 1.3 to 1.7 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.010 |