SAE-AISI 1080 Steel vs. AISI 317 Stainless Steel
Both SAE-AISI 1080 steel and AISI 317 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 1080 steel and the bottom bar is AISI 317 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 260 | |
| 170 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 | |
| 35 to 55 |
| Fatigue Strength, MPa | 300 to 360 | |
| 250 to 330 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 79 |
| Shear Strength, MPa | 460 to 520 | |
| 420 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 870 | |
| 580 to 710 |
| Tensile Strength: Yield (Proof), MPa | 480 to 590 | |
| 250 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 590 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1400 |
| Melting Onset (Solidus), °C | 1410 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 15 |
| Thermal Expansion, µm/m-K | 12 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.6 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 21 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 4.3 |
| Embodied Energy, MJ/kg | 19 | |
| 59 |
| Embodied Water, L/kg | 46 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 to 84 | |
| 210 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 920 | |
| 150 to 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 31 | |
| 20 to 25 |
| Strength to Weight: Bending, points | 24 to 26 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 14 | |
| 4.1 |
| Thermal Shock Resistance, points | 25 to 29 | |
| 12 to 15 |
Alloy Composition
| Carbon (C), % | 0.75 to 0.88 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 18 to 20 |
| Iron (Fe), % | 98.1 to 98.7 | |
| 58 to 68 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 4.0 |
| Nickel (Ni), % | 0 | |
| 11 to 15 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.030 |