SAE-AISI 1045 Steel vs. EN 1.4923 Stainless Steel
Both SAE-AISI 1045 steel and EN 1.4923 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1045 steel and the bottom bar is EN 1.4923 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 13 to 18 | |
| 12 to 21 |
| Fatigue Strength, MPa | 220 to 370 | |
| 300 to 440 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 40 to 51 | |
| 40 to 46 |
| Shear Modulus, GPa | 72 | |
| 76 |
| Shear Strength, MPa | 380 to 410 | |
| 540 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 680 | |
| 870 to 980 |
| Tensile Strength: Yield (Proof), MPa | 330 to 580 | |
| 470 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 740 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 51 | |
| 24 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 8.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.9 |
| Embodied Energy, MJ/kg | 18 | |
| 41 |
| Embodied Water, L/kg | 46 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 84 to 93 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 to 900 | |
| 570 to 1580 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 22 to 24 | |
| 31 to 35 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 26 to 28 |
| Thermal Diffusivity, mm2/s | 14 | |
| 6.5 |
| Thermal Shock Resistance, points | 20 to 22 | |
| 30 to 34 |
Alloy Composition
| Carbon (C), % | 0.43 to 0.5 | |
| 0.18 to 0.24 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Iron (Fe), % | 98.5 to 99 | |
| 83.5 to 87.1 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0.4 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 0 | |
| 0.3 to 0.8 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.015 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.35 |