EN 1.0044 Steel vs. EN 1.0070 Steel
Both EN 1.0044 steel and EN 1.0070 steel are iron alloys. Both are furnished in the hot worked condition. 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 EN 1.0044 steel and the bottom bar is EN 1.0070 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 | |
| 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 21 | |
| 9.1 |
| Fatigue Strength, MPa | 180 | |
| 210 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 300 | |
| 440 |
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 740 |
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1470 |
| Melting Onset (Solidus), °C | 1420 | |
| 1430 |
| 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 | 7.2 | |
| 6.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 7.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 1.7 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 18 |
| Embodied Water, L/kg | 47 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 85 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 320 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 17 | |
| 26 |
| Strength to Weight: Bending, points | 17 | |
| 23 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 15 | |
| 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 0 to 0.6 | |
| 0 |
| Iron (Fe), % | 97.4 to 100 | |
| 99.876 to 100 |
| Manganese (Mn), % | 0 to 1.6 | |
| 0 |
| Nitrogen (N), % | 0 to 0.014 | |
| 0 to 0.014 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.055 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.055 |