AISI 305 Stainless Steel vs. Automotive Malleable Cast Iron
Both AISI 305 stainless steel and automotive malleable cast iron are iron alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is AISI 305 stainless steel and the bottom bar is automotive malleable cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 220 | |
| 130 to 290 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 180 |
| Elongation at Break, % | 34 to 45 | |
| 1.0 to 10 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 70 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 710 | |
| 350 to 720 |
| Tensile Strength: Yield (Proof), MPa | 230 to 350 | |
| 220 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 260 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1410 |
| Melting Onset (Solidus), °C | 1400 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 16 | |
| 41 |
| Thermal Expansion, µm/m-K | 17 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 16 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 1.5 |
| Embodied Energy, MJ/kg | 45 | |
| 20 |
| Embodied Water, L/kg | 150 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 210 | |
| 6.8 to 30 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 320 | |
| 130 to 950 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 20 to 25 | |
| 13 to 26 |
| Strength to Weight: Bending, points | 20 to 23 | |
| 14 to 24 |
| Thermal Diffusivity, mm2/s | 4.2 | |
| 11 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 9.9 to 21 |
Alloy Composition
| Carbon (C), % | 0 to 0.12 | |
| 2.2 to 2.9 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Iron (Fe), % | 65.1 to 72.5 | |
| 93.6 to 96.7 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.15 to 1.3 |
| Nickel (Ni), % | 10.5 to 13 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0.020 to 0.15 |
| Silicon (Si), % | 0 to 0.75 | |
| 0.9 to 1.9 |
| Sulfur (S), % | 0 to 0.030 | |
| 0.020 to 0.2 |