SAE-AISI 5160 Steel vs. AISI 309 Stainless Steel
Both SAE-AISI 5160 steel and AISI 309 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 5160 steel and the bottom bar is AISI 309 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 340 | |
| 180 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 12 to 18 | |
| 34 to 47 |
| Fatigue Strength, MPa | 180 to 650 | |
| 250 to 280 |
| Poisson's Ratio | 0.29 | |
| 0.27 |
| Shear Modulus, GPa | 73 | |
| 78 |
| Shear Strength, MPa | 390 to 700 | |
| 420 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 1150 | |
| 600 to 710 |
| Tensile Strength: Yield (Proof), MPa | 280 to 1010 | |
| 260 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 980 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1410 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 43 | |
| 16 |
| Thermal Expansion, µm/m-K | 13 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 19 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 3.6 |
| Embodied Energy, MJ/kg | 19 | |
| 51 |
| Embodied Water, L/kg | 50 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 to 160 | |
| 200 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 to 2700 | |
| 170 to 310 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 23 to 41 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 22 to 31 | |
| 20 to 23 |
| Thermal Diffusivity, mm2/s | 12 | |
| 4.3 |
| Thermal Shock Resistance, points | 19 to 34 | |
| 14 to 16 |
Alloy Composition
| Carbon (C), % | 0.56 to 0.61 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0.7 to 0.9 | |
| 22 to 24 |
| Iron (Fe), % | 97.1 to 97.8 | |
| 58 to 66 |
| Manganese (Mn), % | 0.75 to 1.0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 12 to 15 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.030 |