SAE-AISI 1080 Steel vs. SAE-AISI 1345 Steel
Both SAE-AISI 1080 steel and SAE-AISI 1345 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1080 steel and the bottom bar is SAE-AISI 1345 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 260 | |
| 170 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 | |
| 11 to 23 |
| Fatigue Strength, MPa | 300 to 360 | |
| 230 to 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 72 |
| Shear Strength, MPa | 460 to 520 | |
| 370 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 870 | |
| 590 to 730 |
| Tensile Strength: Yield (Proof), MPa | 480 to 590 | |
| 330 to 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1410 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.6 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 19 |
| Embodied Water, L/kg | 46 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 to 84 | |
| 78 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 920 | |
| 290 to 1040 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 31 | |
| 21 to 26 |
| Strength to Weight: Bending, points | 24 to 26 | |
| 20 to 23 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 25 to 29 | |
| 19 to 23 |
Alloy Composition
| Carbon (C), % | 0.75 to 0.88 | |
| 0.43 to 0.48 |
| Iron (Fe), % | 98.1 to 98.7 | |
| 97.2 to 97.8 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 1.6 to 1.9 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.040 |