SAE-AISI 1045 Steel vs. EN 1.0034 Steel
Both SAE-AISI 1045 steel and EN 1.0034 steel are iron alloys. Their average alloy composition is basically identical. 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 1045 steel and the bottom bar is EN 1.0034 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 190 | |
| 97 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 13 to 18 | |
| 9.0 to 32 |
| Fatigue Strength, MPa | 220 to 370 | |
| 140 to 170 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Shear Strength, MPa | 380 to 410 | |
| 220 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 680 | |
| 340 to 380 |
| Tensile Strength: Yield (Proof), MPa | 330 to 580 | |
| 180 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 53 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 18 |
| Embodied Water, L/kg | 46 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 84 to 93 | |
| 31 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 to 900 | |
| 84 to 210 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 24 | |
| 12 to 13 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 14 to 15 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 20 to 22 | |
| 11 to 12 |
Alloy Composition
| Carbon (C), % | 0.43 to 0.5 | |
| 0 to 0.15 |
| Iron (Fe), % | 98.5 to 99 | |
| 98.7 to 100 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 0.7 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.045 |