SAE-AISI 4028 Steel vs. EN 1.0070 Steel
Both SAE-AISI 4028 steel and EN 1.0070 steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is SAE-AISI 4028 steel and the bottom bar is EN 1.0070 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 190 | |
| 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 to 23 | |
| 9.1 |
| Fatigue Strength, MPa | 180 to 330 | |
| 210 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 310 to 380 | |
| 440 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 740 |
| Tensile Strength: Yield (Proof), MPa | 260 to 520 | |
| 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 | 49 | |
| 53 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 6.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 7.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 1.7 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 18 |
| Embodied Water, L/kg | 47 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 to 95 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 720 | |
| 320 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 22 | |
| 26 |
| Strength to Weight: Bending, points | 18 to 21 | |
| 23 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 20 | |
| 23 |
Alloy Composition
| Carbon (C), % | 0.25 to 0.3 | |
| 0 |
| Iron (Fe), % | 98.1 to 98.7 | |
| 99.876 to 100 |
| Manganese (Mn), % | 0.7 to 0.9 | |
| 0 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.014 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.055 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0.035 to 0.050 | |
| 0 to 0.055 |